Earthquake early warning system put to the test — and officials say it worked
An earthquake warning system was put to the test this week when phones started sounding off across Northern California.
Stay updated with breaking news from Shake Alert. Get real-time updates on events, politics, business, and more. Visit us for reliable news and exclusive interviews.
An earthquake warning system was put to the test this week when phones started sounding off across Northern California.
A deadly 6.4 magnitude earthquake in Humboldt County triggered a massive emergency response Tuesday. The California Office of Emergency Services is working to support teams in the area helping with damage control and rescue operations.
A 6.4-magnitude earthquake shook northern California early Tuesday morning, knocking out power for tens of thousands of customers in Humboldt County.
Some received the alert seconds before they felt Tuesday's earthquake off the coast of Humboldt County.
A magnitude 6 earthquake struck in the Ring of Fire, just 750 miles off the coast of California on Tuesday evening - the largest earthquake to hit the area since a 6.0-magnitude tremor hit Napa in 2014.