#rayleighwave — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #rayleighwave, aggregated by home.social.
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A Seismic Precursor 15 Min Before The Giant Eruption Of Hunga Tonga-Hunga Ha'apai Volcano On 15 January 2022
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https://doi.org/10.1029/2024GL111144 <-- shared paper
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"KEY POINTS:
• The volcano generated Rayleigh waves about 15 min before the giant eruption with no apparent surface activity
• These waves dominated in 0.03–0.1 Hz with amplitudes comparable to the amplitude of M4.9
• Seismic stations 750 km from the volcano and appropriate data analyses allowed [them] to capture precursors of the catastrophic eruption..."
#geology #seismology #tonga #volcano #eruption #vulcanism #HungaTonga #RayleighWave #earthquake #precursor #remotesensing #imagery #satellite #HTHH #model #modeling #spatialanalysis #spatiotemporal #caldera #seismicstation #monitoring #naturalhazard #naturaldisaster #risk #hazard #engineeringgeology