ShakeAlert sends false alarm about magnitude 5.9 earthquake in California, Nevada

Los Angeles TimesThursday, December 4, 2025 at 5:36:50 PM
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ShakeAlert sends false alarm about magnitude 5.9 earthquake in California, Nevada
  • The ShakeAlert system, designed to provide early warnings of seismic activity, erroneously issued an alert for a magnitude 5.9 earthquake that did not occur in California and Nevada on Thursday morning. This false alarm raised concerns about the reliability of the alert system in accurately detecting and communicating seismic threats.
  • The incident highlights significant challenges for the ShakeAlert system, which aims to enhance public safety by providing timely warnings. The failure to deliver accurate alerts undermines trust in the system and raises questions about its operational effectiveness.
  • This false alarm is part of a broader pattern of concerns regarding emergency alert systems in the region, as evidenced by a recent incident where a hazardous materials fire at the Port of Los Angeles burned for hours before alerts were issued. Such delays and inaccuracies in emergency communications can have serious implications for public safety and emergency response efforts.
— via World Pulse Now AI Editorial System

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