Earlier 5.0-magnitude and 6.7-magnitude earthquakes did not initially trigger a tsunami alert, but were followed by a 7.4-magnitude quake at 0849 GMT, prompting the USGS to warn that "hazardous ...

Moscow: A tsunami alert was lifted after a series of powerful earthquakes off the coast of Russia s far east on Sunday did not result in deadly ...

The alerts rely on detecting fast-moving P-waves, which precede the more destructive S-waves during an earthquake. If enough ...

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

A series of powerful earthquakes struck off the coast of Russia's far east on Sunday, triggering a tsunami alert, the US ...

A HUGE 7.3 magnitude earthquake has struck off the coast of Alaska. A tsunami warning is now in place after the tremors ...

A 5.4-magnitude earthquake was reported in Alaska on Wednesday (July 16), according to the United States Geological Survey. The earthquake was centered in Atka at a depth of 69 kilometers (about 43 ...

According to United States Geological Survey monitoring, the Spokane River has dropped below 1,000 cubic feet per second.