#subduction — Public Fediverse posts

The Cascadia Subduction Zone Isn’t Shutting Down – But It’s More Complicated Than We Thought
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https://theconversation.com/the-cascadia-subduction-zone-isnt-shutting-down-but-its-more-complicated-than-we-thought-279730 <-- shared technical article
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https://doi.org/10.1126/sciadv.ady8347 <-- shared paper
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#SciComm #ScienceCommunication #Earthquakes #engineeringgeology #geology #risk #hazard #fault #faulting #Vancouver #VancouverIsland #BritishColumbia #Seattle #OlympicPeninsula #PugetSound #WashingtonState #PNW #PacificNorthwest #NorthAmerica #plateboundary #subduction #platetectonics #spatialanalysis #spatiotemporal #seismicity #seismic #geophysics #offshore #remotesensing #Cascadia #CascadiaSubductionZone #mechanics #lithosphere##

The Cascadia Subduction Zone Isn’t Shutting Down – But It’s More Complicated Than We Thought
--
https://theconversation.com/the-cascadia-subduction-zone-isnt-shutting-down-but-its-more-complicated-than-we-thought-279730 <-- shared technical article
--
https://doi.org/10.1126/sciadv.ady8347 <-- shared paper
--
#SciComm #ScienceCommunication #Earthquakes #engineeringgeology #geology #risk #hazard #fault #faulting #Vancouver #VancouverIsland #BritishColumbia #Seattle #OlympicPeninsula #PugetSound #WashingtonState #PNW #PacificNorthwest #NorthAmerica #plateboundary #subduction #platetectonics #spatialanalysis #spatiotemporal #seismicity #seismic #geophysics #offshore #remotesensing #Cascadia #CascadiaSubductionZone #mechanics #lithosphere##

The Cascadia Subduction Zone Isn’t Shutting Down – But It’s More Complicated Than We Thought
--
https://theconversation.com/the-cascadia-subduction-zone-isnt-shutting-down-but-its-more-complicated-than-we-thought-279730 <-- shared technical article
--
https://doi.org/10.1126/sciadv.ady8347 <-- shared paper
--
#SciComm #ScienceCommunication #Earthquakes #engineeringgeology #geology #risk #hazard #fault #faulting #Vancouver #VancouverIsland #BritishColumbia #Seattle #OlympicPeninsula #PugetSound #WashingtonState #PNW #PacificNorthwest #NorthAmerica #plateboundary #subduction #platetectonics #spatialanalysis #spatiotemporal #seismicity #seismic #geophysics #offshore #remotesensing #Cascadia #CascadiaSubductionZone #mechanics #lithosphere##

The Cascadia Subduction Zone Isn’t Shutting Down – But It’s More Complicated Than We Thought
--
https://theconversation.com/the-cascadia-subduction-zone-isnt-shutting-down-but-its-more-complicated-than-we-thought-279730 <-- shared technical article
--
https://doi.org/10.1126/sciadv.ady8347 <-- shared paper
--
#SciComm #ScienceCommunication #Earthquakes #engineeringgeology #geology #risk #hazard #fault #faulting #Vancouver #VancouverIsland #BritishColumbia #Seattle #OlympicPeninsula #PugetSound #WashingtonState #PNW #PacificNorthwest #NorthAmerica #plateboundary #subduction #platetectonics #spatialanalysis #spatiotemporal #seismicity #seismic #geophysics #offshore #remotesensing #Cascadia #CascadiaSubductionZone #mechanics #lithosphere##

The Cascadia Subduction Zone Isn’t Shutting Down – But It’s More Complicated Than We Thought
--
https://theconversation.com/the-cascadia-subduction-zone-isnt-shutting-down-but-its-more-complicated-than-we-thought-279730 <-- shared technical article
--
https://doi.org/10.1126/sciadv.ady8347 <-- shared paper
--
#SciComm #ScienceCommunication #Earthquakes #engineeringgeology #geology #risk #hazard #fault #faulting #Vancouver #VancouverIsland #BritishColumbia #Seattle #OlympicPeninsula #PugetSound #WashingtonState #PNW #PacificNorthwest #NorthAmerica #plateboundary #subduction #platetectonics #spatialanalysis #spatiotemporal #seismicity #seismic #geophysics #offshore #remotesensing #Cascadia #CascadiaSubductionZone #mechanics #lithosphere##

Subduction Retrieval [XKCD]
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https://xkcd.com/3218/
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“PSA: Please stay out of the Pacific Ocean today. Someone lost their wedding ring in a subduction zone and USGS is pulling the plate back up to retrieve it…
Aww, the oceanic crust and the continental crust are getting married!...”
#PSA #geology #platetectonics #subduction #margins #XKCD #fedservice #publicservice #RingOfFire #weddingring #humor #humour #PacificOcean
#USGS #XKCD

Timing And Style Of Tectonic Assembly And Exhumation Of The Mchugh Complex Within The Chugach-Kodiak Accretionary Wedge, Alaska
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https://doi.org/10.1029/2025TC009004 <-- shared paper
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https://discoveryalert.com.au/chugach-prince-william-terrain-geology-alaska-2025 <-- shared technical article
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[this paper is WAY over my head in terms of the nuance of structural geology, but still fascinating; further, I have to say: these are TRULY gorgeous, well-designed & presented, and useful geologic maps, cross-sections, annotated photographs and other visualisations (I am jealous of that level of skill, in the BEST of ways!)]
#geology #structuralgeology #fieldwork #geologic #mapping #KenaiPeninsula #McHughComplex #tectonics #underplating #faulting #subduction #erosion #Exhumation #ChugachKodiak #AccretionaryWedge #Alaska #coast #coastal #mineralogy #transects #crosssections #model #modeling #sampling #spectroscopy #accretionary #accretionarymargin #plateboundary #trench #interpretation #peneplanation #forearc

Slab Tearing Along A Subducted Oceanic Plate Joint Beneath The Alaska Peninsula
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https://doi.org/10.1038/s41561-025-01749-6 <-- shared paper
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#fault #faulting #subduction #slab #oceanic #plate #trench #Alaska #USA #geophysics #seismic #seismology #remotesensing #tomography #model #modeling #seismicity #volcano #vulcanism #Aniakchak #asthenosphere #geology #structuralgeology #mantle

Mid-Proterozoic Expansion Of Passive Margins And Reduction In Volcanic Outgassing Supported Marine Oxygenation And Eukaryogenesis
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https://doi.org/10.1016/j.epsl.2025.119683 <-- shared paper
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https://zenodo.org/records/17353904 <-- supplementary data
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#proterozoic #platetectonics #tectonics #deepcarboncycle #eukaryogenesis #evolutionoflife #life #evolution #geology #geologichistory #pangea #supercontinent #diversification #volcanic #offgassing #marine #thermodynamics #model #modeling #spatialanalysis #spatiotemporal #nuna #subduction #structuralgeology #CO2 #carbondioxide #climate #eukaryotic #BoringBillion #rodinia #oceanbasins #marinechemistry #outgassing #global #earth

Unravelling The Dance Of Earthquakes - Evidence Of Partial Synchronization Of The Northern San Andreas Fault And Cascadia Megathrust
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https://doi.org/10.1130/GES02857.1 <-- shared paper
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“Previous paleoseismic work has suggested a possible stress triggering relationship between the Cascadia subduction zone and the northern San Andreas fault based on similar event timings. Turbidite successions correlated to both systems may support this hypothesis. Historic earthquakes in 1980 and 1992 in the Cascadia subduction zone and the 1906 earthquake on the northern San Andreas fault left turbidite records that are temporally well constrained by bomb-carbon−supported age-depth models..."
#geology #USWest #Seattle #Washington #California #earthquake #engineeringeology #fault #faulting #SanAndreas #Cascadiasubductionzone #linked #Cascadia #research #sediment #sedimentology #Turbidite #paleoseismology #historic #spatial #spatialanalysis #spatiotemporal #model #modeling #stress #subduction #dating #radiocarbon #Holocene

Non-Collisional Orogeny In Northeast Japan Driven By Nearby Same-Dip Double Subduction
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https://doi.org/10.1038/s41561-025-01704-5 <-- shared paper
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#geology #structuralgeology #japan #subduction #system #plate #geometry #mantle #tectonics #geodynamics #orogeny #Ryukyu #IzuBoninMarianas #kinematics #backarc #earthquake #fault #faulting #orogenesis #platetectonics

Non-Collisional Orogeny In Northeast Japan Driven By Nearby Same-Dip Double Subduction
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https://doi.org/10.1038/s41561-025-01704-5 <-- shared paper
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#geology #structuralgeology #japan #subduction #system #plate #geometry #mantle #tectonics #geodynamics #orogeny #Ryukyu #IzuBoninMarianas #kinematics #backarc #earthquake #fault #faulting #orogenesis #platetectonics

Non-Collisional Orogeny In Northeast Japan Driven By Nearby Same-Dip Double Subduction
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https://doi.org/10.1038/s41561-025-01704-5 <-- shared paper
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#geology #structuralgeology #japan #subduction #system #plate #geometry #mantle #tectonics #geodynamics #orogeny #Ryukyu #IzuBoninMarianas #kinematics #backarc #earthquake #fault #faulting #orogenesis #platetectonics

Non-Collisional Orogeny In Northeast Japan Driven By Nearby Same-Dip Double Subduction
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https://doi.org/10.1038/s41561-025-01704-5 <-- shared paper
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#geology #structuralgeology #japan #subduction #system #plate #geometry #mantle #tectonics #geodynamics #orogeny #Ryukyu #IzuBoninMarianas #kinematics #backarc #earthquake #fault #faulting #orogenesis #platetectonics

Non-Collisional Orogeny In Northeast Japan Driven By Nearby Same-Dip Double Subduction
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https://doi.org/10.1038/s41561-025-01704-5 <-- shared paper
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#geology #structuralgeology #japan #subduction #system #plate #geometry #mantle #tectonics #geodynamics #orogeny #Ryukyu #IzuBoninMarianas #kinematics #backarc #earthquake #fault #faulting #orogenesis #platetectonics

Increased Flood Exposure In The Pacific Northwest Following Earthquake-Driven Subsidence And Sea-Level Rise
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https://doi.org/10.1073/pnas.2424659122 <-- shared paper
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https://oregoncapitalchronicle.com/2025/05/02/big-one-coupled-with-rising-ocean-could-leave-many-in-northwest-living-in-flood-zones-study-finds/ <-- shared media article
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#GIS #spatial #mapping #coast #coastal #sealevelrise #sealevel #SLR #climatechange #PNW #PacificNorthWest #Cascadia #flood #flooding #risk #hazard #exposure #damage #infrastructure #publicsafety #geology #fault #faulting #engineeringgeology #subsidence #earthquake #floodplains #omgoing #spatialanalysis #model #deformation #modeling #roads #residents ##Washington #Oregon #California #subduction #communities #management #planning #mitigation #coastalengineering #sinking

SciTech Chronicles. . . . . . . . .Mar 26th, 2025

https://bit.ly/stc032625

#xenoliths #volatiles #subduction #models #spike #glycans #receptor #low-mutation ##Yellowknife #linear #dodecane #SAM #lipids #Mesoscale #signature #transport #photolysis #replenishment #size #thickness

Thermodynamic Model Identifies How Gold Reaches Earth's Surface
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https://phys.org/news/2024-12-thermodynamic-gold-earth-surface.html <-- shared technical article
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https://doi.org/10.1073/pnas.2404731121 <-- shared paper
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#geology #structuralgeology #mantle #crust #tectonics #platetectonics #gold #preciousmetals #subduction #mantle #crust #sulfur #RingOfFire #volcano #volcanics #magma #model #modeling #trisulfur #pressure #temperature #geochemistry #subductionzone #thermodynamics

Scientists Unveil Mysterious Origins Of Earth’s Largest Igneous Rocks
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https://scitechdaily.com/scientists-unveil-mysterious-origins-of-earths-largest-igneous-rocks/ <-- shared technical article
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https://doi.org/10.1126/sciadv.adn3976 <-- shared paper
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#GIS #spatial #mapping #spatialanalysis #spatiotemporal #geology #structuralgeology #earth #global #igneous #vulcanism #massif #anorthosite #origin #formation #morphology #platetectonics #subduction #crust #mantle #Grenvilleorogen #orogeny #geochemistry #mineralogy #magma #oceaniccrust #model #modeling #petrogensis

Scientists Unveil Mysterious Origins Of Earth’s Largest Igneous Rocks
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https://scitechdaily.com/scientists-unveil-mysterious-origins-of-earths-largest-igneous-rocks/ <-- shared technical article
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https://doi.org/10.1126/sciadv.adn3976 <-- shared paper
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#GIS #spatial #mapping #spatialanalysis #spatiotemporal #geology #structuralgeology #earth #global #igneous #vulcanism #massif #anorthosite #origin #formation #morphology #platetectonics #subduction #crust #mantle #Grenvilleorogen #orogeny #geochemistry #mineralogy #magma #oceaniccrust #model #modeling #petrogensis

Scientists Unveil Mysterious Origins Of Earth’s Largest Igneous Rocks
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https://scitechdaily.com/scientists-unveil-mysterious-origins-of-earths-largest-igneous-rocks/ <-- shared technical article
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https://doi.org/10.1126/sciadv.adn3976 <-- shared paper
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#GIS #spatial #mapping #spatialanalysis #spatiotemporal #geology #structuralgeology #earth #global #igneous #vulcanism #massif #anorthosite #origin #formation #morphology #platetectonics #subduction #crust #mantle #Grenvilleorogen #orogeny #geochemistry #mineralogy #magma #oceaniccrust #model #modeling #petrogensis

Scientists Unveil Mysterious Origins Of Earth’s Largest Igneous Rocks
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https://scitechdaily.com/scientists-unveil-mysterious-origins-of-earths-largest-igneous-rocks/ <-- shared technical article
--
https://doi.org/10.1126/sciadv.adn3976 <-- shared paper
--
#GIS #spatial #mapping #spatialanalysis #spatiotemporal #geology #structuralgeology #earth #global #igneous #vulcanism #massif #anorthosite #origin #formation #morphology #platetectonics #subduction #crust #mantle #Grenvilleorogen #orogeny #geochemistry #mineralogy #magma #oceaniccrust #model #modeling #petrogensis

Scientists Unveil Mysterious Origins Of Earth’s Largest Igneous Rocks
--
https://scitechdaily.com/scientists-unveil-mysterious-origins-of-earths-largest-igneous-rocks/ <-- shared technical article
--
https://doi.org/10.1126/sciadv.adn3976 <-- shared paper
--
#GIS #spatial #mapping #spatialanalysis #spatiotemporal #geology #structuralgeology #earth #global #igneous #vulcanism #massif #anorthosite #origin #formation #morphology #platetectonics #subduction #crust #mantle #Grenvilleorogen #orogeny #geochemistry #mineralogy #magma #oceaniccrust #model #modeling #petrogensis

Randomness Of Megathrust Earthquakes Implied By Rapid Stress Recovery After The Japan Earthquake
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https://doi.org/10.1038/ngeo2343 <-- shared (2015) paper
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#GIS #spatial #mapping #model #modeling #earthquake #japan #subduction #subductionzone #geology #risk #hazard #engineeringgeology #structuralgeology #subsurface #3dmodel #spatialanalysis #spatiotemporal #megathrust #japanese #Tohoku #Tohoku2011 #tectonics #platetectonics #plates #stress #stressrelease #rupture #quake

Randomness Of Megathrust Earthquakes Implied By Rapid Stress Recovery After The Japan Earthquake
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https://doi.org/10.1038/ngeo2343 <-- shared (2015) paper
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#GIS #spatial #mapping #model #modeling #earthquake #japan #subduction #subductionzone #geology #risk #hazard #engineeringgeology #structuralgeology #subsurface #3dmodel #spatialanalysis #spatiotemporal #megathrust #japanese #Tohoku #Tohoku2011 #tectonics #platetectonics #plates #stress #stressrelease #rupture #quake

Randomness Of Megathrust Earthquakes Implied By Rapid Stress Recovery After The Japan Earthquake
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https://doi.org/10.1038/ngeo2343 <-- shared (2015) paper
--
#GIS #spatial #mapping #model #modeling #earthquake #japan #subduction #subductionzone #geology #risk #hazard #engineeringgeology #structuralgeology #subsurface #3dmodel #spatialanalysis #spatiotemporal #megathrust #japanese #Tohoku #Tohoku2011 #tectonics #platetectonics #plates #stress #stressrelease #rupture #quake

Randomness Of Megathrust Earthquakes Implied By Rapid Stress Recovery After The Japan Earthquake
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https://doi.org/10.1038/ngeo2343 <-- shared (2015) paper
--
#GIS #spatial #mapping #model #modeling #earthquake #japan #subduction #subductionzone #geology #risk #hazard #engineeringgeology #structuralgeology #subsurface #3dmodel #spatialanalysis #spatiotemporal #megathrust #japanese #Tohoku #Tohoku2011 #tectonics #platetectonics #plates #stress #stressrelease #rupture #quake

Randomness Of Megathrust Earthquakes Implied By Rapid Stress Recovery After The Japan Earthquake
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https://doi.org/10.1038/ngeo2343 <-- shared (2015) paper
--
#GIS #spatial #mapping #model #modeling #earthquake #japan #subduction #subductionzone #geology #risk #hazard #engineeringgeology #structuralgeology #subsurface #3dmodel #spatialanalysis #spatiotemporal #megathrust #japanese #Tohoku #Tohoku2011 #tectonics #platetectonics #plates #stress #stressrelease #rupture #quake

Geologists Stunned On Discovering A Part Of The Earth That Disappeared 20 Million Years Ago
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https://www.good.is/geologists-stunned-at-discovery-of-earths-ancient-mega-plate-they-didnt-know-about-at-all-ex1 <-- shared technical article
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https://doi.org/10.1016/j.gr.2023.09.013 <-- shared paper
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https://youtu.be/VyEUWySaFPc?si=rzUiIh14GxmiC0l- <-- reconstruction animation
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#GIS #spatial #mapping #remotesensing #geomagnetism #argoland #kinematicreconstruction #platetectonics #GPlates #junctionregion #PhilippineSeaPlate #Borneo #NewZealand #Japan #Zealandia #Philippines #NewGuinea #junction #subduction #plates #geology #structuralgeology #pontus #pontusplate #paeleogeography #geologichistory #Zealandia #seismology #spatialanalysis #spatiotemporal #tomography #model #modeling

Hikurangi Subduction Zone - The Burning Question About NZ’s Biggest Quake-Maker
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https://www.nzherald.co.nz/nz/hikurangi-subduction-zone-the-burning-question-about-nzs-biggest-quake-maker/TPYTCPZLIVF3XPGHB4DUP6U2NM/ <-- shared media article
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https://doi.org/10.1029/2023GL103696 <-- shared paper
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#GIS #spatial #mapping #NewZealand #remotesensing #geophysics #earthquake #faulting #subduction #platetectonics #risk #hazard #Gisborne #EastCape #Raukumara #stress #testing #sampling #Hikurangi #margin #geology #structuralgeology #model #modeling #permeability #porosity #testing #mudrocks #accretionaryprism #slowslipearthquakes #SSE #mantle #subductionzone #mechanics #stressrelief #pressurevalve

Geoscientists Find Pacific Plate Is Scored By Large Undersea Faults That Are Pulling It Apart
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https://phys.org/news/2024-02-geoscientists-pacific-plate-scored-large.html <-- shared technical article
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https://doi.org/10.1029/2023GL105452 <-- shared paper
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#GIS #spatial #mapping #geology #pacific #pacificocean #structuralgeology #platetectonics #tectonics #oceanplates #subduction #remotesensing #geophysics #lithosphere #crust #mantle #model #modeling #spatialanalysis #extension #syndrift #faults #faulting #seismology #geochemistry #WesternPacific

Geoscientists Find Pacific Plate Is Scored By Large Undersea Faults That Are Pulling It Apart
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https://phys.org/news/2024-02-geoscientists-pacific-plate-scored-large.html <-- shared technical article
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https://doi.org/10.1029/2023GL105452 <-- shared paper
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#GIS #spatial #mapping #geology #pacific #pacificocean #structuralgeology #platetectonics #tectonics #oceanplates #subduction #remotesensing #geophysics #lithosphere #crust #mantle #model #modeling #spatialanalysis #extension #syndrift #faults #faulting #seismology #geochemistry #WesternPacific

Large-Scale Submarine Landslides In The Barberton Greenstone Belt, Southern Africa—Evidence For Subduction And Great Earthquakes In The Paleoarchean
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https://pubs.geoscienceworld.org/gsa/geology/article-abstract/doi/10.1130/G51997.1/635654/Large-scale-submarine-landslides-in-the-Barberton <-- shared paper (PDF only)
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#GIS #spatial #mapping #structuralgeology #SouthAfrica #NewZealand #tectonics #subduction #BarbertonGreenstoneBelt #geologicmapping #geology #earthquakes #paleoarchean #stratigraphy #marine #sedimentation #submarinelandslide #hikurangi #megathrust #superposition

Large-Scale Submarine Landslides In The Barberton Greenstone Belt, Southern Africa—Evidence For Subduction And Great Earthquakes In The Paleoarchean
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https://pubs.geoscienceworld.org/gsa/geology/article-abstract/doi/10.1130/G51997.1/635654/Large-scale-submarine-landslides-in-the-Barberton <-- shared paper (PDF only)
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#GIS #spatial #mapping #structuralgeology #SouthAfrica #NewZealand #tectonics #subduction #BarbertonGreenstoneBelt #geologicmapping #geology #earthquakes #paleoarchean #stratigraphy #marine #sedimentation #submarinelandslide #hikurangi #megathrust #superposition

Large-Scale Submarine Landslides In The Barberton Greenstone Belt, Southern Africa—Evidence For Subduction And Great Earthquakes In The Paleoarchean
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https://pubs.geoscienceworld.org/gsa/geology/article-abstract/doi/10.1130/G51997.1/635654/Large-scale-submarine-landslides-in-the-Barberton <-- shared paper (PDF only)
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#GIS #spatial #mapping #structuralgeology #SouthAfrica #NewZealand #tectonics #subduction #BarbertonGreenstoneBelt #geologicmapping #geology #earthquakes #paleoarchean #stratigraphy #marine #sedimentation #submarinelandslide #hikurangi #megathrust #superposition

Large-Scale Submarine Landslides In The Barberton Greenstone Belt, Southern Africa—Evidence For Subduction And Great Earthquakes In The Paleoarchean
--
https://pubs.geoscienceworld.org/gsa/geology/article-abstract/doi/10.1130/G51997.1/635654/Large-scale-submarine-landslides-in-the-Barberton <-- shared paper (PDF only)
--
#GIS #spatial #mapping #structuralgeology #SouthAfrica #NewZealand #tectonics #subduction #BarbertonGreenstoneBelt #geologicmapping #geology #earthquakes #paleoarchean #stratigraphy #marine #sedimentation #submarinelandslide #hikurangi #megathrust #superposition

Large-Scale Submarine Landslides In The Barberton Greenstone Belt, Southern Africa—Evidence For Subduction And Great Earthquakes In The Paleoarchean
--
https://pubs.geoscienceworld.org/gsa/geology/article-abstract/doi/10.1130/G51997.1/635654/Large-scale-submarine-landslides-in-the-Barberton <-- shared paper (PDF only)
--
#GIS #spatial #mapping #structuralgeology #SouthAfrica #NewZealand #tectonics #subduction #BarbertonGreenstoneBelt #geologicmapping #geology #earthquakes #paleoarchean #stratigraphy #marine #sedimentation #submarinelandslide #hikurangi #megathrust #superposition

From the Mediterranean into the Atlantic: The Gibraltar arc is migrating west, with the #subduction zone under the #StraitOfGibraltar invading the #Atlantic after a period of quiescence / #geophysics #geodynamics #geosciences @GeoScienceWorld @uni_mainz
https://nachrichten.idw-online.de/2024/03/19/from-the-mediterranean-into-the-atlantic-the-gibraltar-arc-is-migrating-to-the-west

Massive Tectonic Collision Causing Himalayas To Grow May Also Be Splitting Tibet Apart
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https://www.livescience.com/planet-earth/geology/massive-tectonic-collision-causing-himalayas-to-grow-may-also-be-splitting-tibet-apart <-- shared technical article
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https://essopenarchive.org/doi/full/10.22541/essoar.170000377.75686509/v1 <-- shared (pre-print) paper
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#GIS #spatial #mapping #tectonics #platetectonics #remotesensing #seismic #seismology #earthquakes #Tibet #Indian #Eurasian #plate #himalayas #geology #structuralgeology #tectonicplate #mountains #mountainrange #model #modeling #uplift #underplating #subduction #geoscience #earthscience #crust #geologicmodel

Geoscientists Discover Massive Undersea Water Reservoir Off New Zealand’s Coast
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https://www.sci.news/othersciences/geophysics/hikurangi-water-reservoir-12323.html <-- shared technical article
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https://doi.org/10.1126/sciadv.adh0150 <-- shared paper
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#GIS #spatial #mapping #remotesensing #geology #structuralgeology #NewZealand #model #modeling #megathrust #fault #faulting #subduction #water #groundwater #Hikurangi #hydrogeology #igneous #vulcanism #volcaniclastic #seamounts #marine #bathymetry #seafloor #volcanicplateau #subductionzone #seismicimaging #seismic #earthquake #slowslip #tectonics #geoscience

Geoscientists Discover Massive Undersea Water Reservoir Off New Zealand’s Coast
--
https://www.sci.news/othersciences/geophysics/hikurangi-water-reservoir-12323.html <-- shared technical article
--
https://doi.org/10.1126/sciadv.adh0150 <-- shared paper
--
#GIS #spatial #mapping #remotesensing #geology #structuralgeology #NewZealand #model #modeling #megathrust #fault #faulting #subduction #water #groundwater #Hikurangi #hydrogeology #igneous #vulcanism #volcaniclastic #seamounts #marine #bathymetry #seafloor #volcanicplateau #subductionzone #seismicimaging #seismic #earthquake #slowslip #tectonics #geoscience

Geoscientists Discover Massive Undersea Water Reservoir Off New Zealand’s Coast
--
https://www.sci.news/othersciences/geophysics/hikurangi-water-reservoir-12323.html <-- shared technical article
--
https://doi.org/10.1126/sciadv.adh0150 <-- shared paper
--
#GIS #spatial #mapping #remotesensing #geology #structuralgeology #NewZealand #model #modeling #megathrust #fault #faulting #subduction #water #groundwater #Hikurangi #hydrogeology #igneous #vulcanism #volcaniclastic #seamounts #marine #bathymetry #seafloor #volcanicplateau #subductionzone #seismicimaging #seismic #earthquake #slowslip #tectonics #geoscience

Geoscientists Discover Massive Undersea Water Reservoir Off New Zealand’s Coast
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https://www.sci.news/othersciences/geophysics/hikurangi-water-reservoir-12323.html <-- shared technical article
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https://doi.org/10.1126/sciadv.adh0150 <-- shared paper
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#GIS #spatial #mapping #remotesensing #geology #structuralgeology #NewZealand #model #modeling #megathrust #fault #faulting #subduction #water #groundwater #Hikurangi #hydrogeology #igneous #vulcanism #volcaniclastic #seamounts #marine #bathymetry #seafloor #volcanicplateau #subductionzone #seismicimaging #seismic #earthquake #slowslip #tectonics #geoscience

Geoscientists Discover Massive Undersea Water Reservoir Off New Zealand’s Coast
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https://www.sci.news/othersciences/geophysics/hikurangi-water-reservoir-12323.html <-- shared technical article
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https://doi.org/10.1126/sciadv.adh0150 <-- shared paper
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#GIS #spatial #mapping #remotesensing #geology #structuralgeology #NewZealand #model #modeling #megathrust #fault #faulting #subduction #water #groundwater #Hikurangi #hydrogeology #igneous #vulcanism #volcaniclastic #seamounts #marine #bathymetry #seafloor #volcanicplateau #subductionzone #seismicimaging #seismic #earthquake #slowslip #tectonics #geoscience

A New, Underground Atlas Of Subduction Zones
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https://eos.org/articles/a-new-underground-atlas-of-subduction-zones <-- shared technical article
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https://submap.gm.umontpellier.fr/ <-- Submap, a tool for mapping subduction zones
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“Graphic design meets geoscience…
Submap [link above] is a user-friendly tool that allows anyone with an Internet connection to create quick, custom maps of subduction zones…"
#GIS #spatial #mapping #visual #visualisation #visualization #subduction #geology #structuralgeology #Submap #geoscience #global #earth #platetectonics #subductionzones #earthquake #model #modeling #3dmapping #3dmodeling #opensource #opendata #tsunami #monitoring #fault #faulting #VisualizationTools #maps #crosssections

New Geological Study Rewrites History Of The World's Highest Peaks
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https://www.forbes.com/sites/davidbressan/2023/08/15/new-geological-study-rewrites-history-of-the-worlds-highest-peaks/ <-- shared media article
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https://doi.org/10.1038/s41561-023-01243-x <-- shared paper
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#GIS #spatial #mapping #remotesensing #uplift #Himalayas #tibet #model #modeling #research #uplift #sampling #hydrothermal #oxygenisotopes #India #Eurasia #mountains #geology #structuralgeology #TibetanPlateau #palaeoaltimetry #palaeoelevation #geodynamic #palaeoclimate #GangdeseArc #subduction #lithosphere #continentalcollision

Post-Subduction Tectonics Induced By Extension From A Lithospheric Drip
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https://doi.org/10.1038/s41561-023-01201-7 <-- shared paper
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#GIS #spatial #mapping #formation #mechanical #data #geology #structuralgeology #platetectonics #subduction #tectonics #lithosphere #model #modeling #Borneo #magmatism #topography #uplift #Malysia #spatialanalysis #remotesensing #seismology #seismic #geophysics #gravity #gravational #volcanic #vulcanism #arc #simulation #simulations #crust #mantle #continent #orogeny

I am totally astounded by what I read when I compare these two texts: Maria Graham's description of the coastal #uplift due to the 1822 #Valparaiso #earthquake, versus Charles Darwin's text on very similar phenomena related to the 1835 #Concepción earthquake.

Read carefully, paying attention to the expressions used. It's like if #Darwin borrowed Maria Graham's words, but also her interpretation about the accumulation of earthquakes raising the coast on the long term. 🤔
Any comment ?

Both 1822 and 1835 earthquakes happened in Central #Chile on the #subduction #megathrust between Nazca and South America #tectonic_plates. Darwin's description, based on Fitz Roy (Beagle's captain) observations, is considered as seminal.

Thanks @haq for pointing me to the work by Maria Graham.

This recalls that even in contexts like #Java or #Sumatra, where the #subduction #megathrust may produce very big #earthquakes, much smaller shallow crustal ruptures may present significant hazards because closer to towns.
2/2

A magnitude Mw6.9 #earthquake offshore south-central #Sumatra.

Mechanism and location suggest rupture on the shallow part of the #subduction #megathrust close to the trench (on the very shallow dipping fault plane). However, modelled depth of ~19km, if true, seems little too deep given the closeness with the trench (USGS gives same depth and mechanism). This means that we cannot exclude a rupture on the steep fault plane within the oceanic plate.

Map with source time function from Geoscope IPGP
http://geoscope.ipgp.fr/index.php/en/catalog/earthquake-description?seis=us7000iqpn
Larger map with epicenter of this event in red from USGS (both not yet on fediverse it seems)