USGS Retracts False Nevada Alert; Local Quakes Reported
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Carson City, Nevada — The U.S. Geological Survey issued and then retracted a ShakeAlert Thursday after automated systems reported a magnitude 5.9 earthquake near Dayton that did not occur. MyShake and other alert systems sent warnings to thousands across California and Nevada around 8:06 a.m., and the USGS removed the event from its public maps about an hour later. Officials said the ShakeAlert EEW notification was incorrect and deleted the event while investigators examine the cause of the false alert. Separate small magnitude quakes were reported this week in New York and California. Based on 6 articles reviewed and supporting research.
Carson City, Nevada — The U.S. Geological Survey issued and then retracted a ShakeAlert Thursday after automated systems reported a magnitude 5.9 earthquake near Dayton that did not occur. MyShake and other alert systems sent warnings to thousands across California and Nevada around 8:06 a.m., and the USGS removed the event from its public maps about an hour later. Officials said the ShakeAlert EEW notification was incorrect and deleted the event while investigators examine the cause of the false alert. Separate small magnitude quakes were reported this week in New York and California. Based on 6 articles reviewed and supporting research.
More context
Timeline
- 1. 1944: A magnitude 5.8 event impacted Cornwall and Massena, historic regional quake.
- 2. Nov 23: A magnitude 2.6 quake was recorded near Lake Pillsbury, California.
- 3. This week (Sunday): A preliminary magnitude 3.1 earthquake occurred near Willows at 6:56 a.m.
- 4. Last night: A magnitude 1.6 earthquake struck about five miles from Massena at 7:16 p.m.
- 5. Dec 4 (Thursday): USGS issued a M5.9 Nevada ShakeAlert at ~8:06 a.m., deleted and canceled it roughly an hour later while investigating.
Sources
JQJO Editorial Desk · Human reviewed · AI assisted. Report a correction.
