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#warningsystem — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #warningsystem, aggregated by home.social.

  1. Multi-Hazard Improves App Retention - Comparison Of Alerting & Attrition For The Multi-Hazards SD Emergency & The Single-Hazard #QuakeAlert
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    doi.org/10.1016/j.ijdrr.2025.1 <-- shared paper
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    “• Fire is responsible for over 50 % of alerts for County of San Diego, California, USA.
    • App installation rates closely mirror the timing of hazard events.
    • Multi-hazard apps retain users at a 15 % higher rate compared to single-hazard apps.
    • Higher retention improves likelihood people will receive an alert for low-frequency high-impact events like earthquakes..."
    #GIS #spatial #mapping #naturalhazards #Alert #warning #smartphone #userretention #wildfire #SanDiego #California #USA #risk #hazard #mitigation #humanimpacts #socialmedia #push #mobileapps #alerting #earlywarning #warningsystem #multihazard #fire #spatiotemporal #spatialanalysis #earthquake #tsunami #flooding #weather #earlywarning #hazardmanagement #usecase #statistics #events #effect #effectiveness #community #public #infrastructure #loss #damage #cost

  2. @KimPerales "#KerrCounty Sheriff Larry Leitha said sending out warnings isn’t “as easy as pushing a button.” Answers about who did what when will come later. Kerr County Judge Rob Kelly, county’s chief elected official, said in hrs after devastation that county does not have a #warningsystem. Generations of families in the Hill Country have known the #dangers. 1987 flood forced the #evacuation of a youth camp in town of Comfort, swamped buses and vans. 10 teens killed. #negligence #climatecrisis