Add Yahoo as a preferred source to see more of our stories on Google. Californians who saw reports of a 5.9 earthquake near Dayton, Nevada, on Thursday morning can breathe easy — it was a false alarm.

A phone in the San Francisco Bay Area receives a false alarm about a magnitude 5.9 earthquake that was purported to hit near Carson City, Nev., just after 8 a.m. Thursday. No earthquake actually ...

Following a 4.3-magnitude earthquake and a 3.5 aftershock in Contra Costa County on Tuesday, 50 technical partners of the U.S. Geological Survey’s ShakeAlert early earthquake warning system were ...

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The magnitude 4.1 earthquake that stuck after 3 a.m. in the center of Olympic National Park is one of the strongest tests yet of the new ShakeAlert system in Washington. While not considered a ...

A sports car is crushed by earthquake debris in a Seattle parking lot on March 4, 2001. (FEMA photo by Kevin Galvin) The U.S. Geological Survey has awarded more than $12.5 million to seven ...

This is read by an automated voice. Please report any issues or inconsistencies here. ShakeAlert sent a false alarm Thursday morning warning of a magnitude 5.9 earthquake in Carson City, Nev., that ...

Add Yahoo as a preferred source to see more of our stories on Google. A phone in the San Francisco Bay Area receives a false alarm about a magnitude 5.9 earthquake that was purported to hit near ...