For U.S. seismologists, Japan’s “megaquake” warning last week renewed discussion about when and how to warn people on the West Coast if they find elevated risk of a major earthquake.

Earthquake alert programs can give upwards of 10 seconds of warning before the heaviest shaking occurs. Here in California, the ‘MyShake App’, ‘Android Earthquake… ...

It's been nearly 12 decades since the Great San Francisco Earthquake of 1906 killed as many as 3,000 people. Now, one scientist is warning that another major West Coast earthquake could be ...

SAN FRANCISCO — A magnitude 7 earthquake about 30 miles off the Humboldt County shoreline prompted a highly unusual tsunami warning for a wide swath of the Northern California coast Thursday ...

A tsunami warning was issued across Northern California on Thursday morning following a magnitude 7 earthquake. It's a reminder to prepare and know how to respond in case of such emergencies.

The US National Weather Service says that if you experience any one of the following warning signs, it could be a sign that a tsunami is incoming. The Weather Service says, “Natural tsunami warnings ...

A 7.0-magnitude earthquake off the California coast briefly triggered a tsunami warning for parts of Northern California and southern Oregon, but the warning was canceled just before noon.

For U.S. earthquake scientists, Japan's 'megaquake' warning renewed worries about when and how to warn the public if they ...