A powerful earthquake struck Thursday off the coast of California, sparking a tsunami warning, US seismologists said.

A powerful 7.0 earthquake hit Northern California, triggering a tsunami warning, which has now been cancelled, for 5.3 million people. Felt in cities like San Francisco, the quake prompted emergency responses with no major damage reported.

The National Weather Service canceled a tsunami warning for the U.S. West Coast after a 7.0-magnitude earthquake struck California

A tsunami warning for the Bay Area after the earthquake in Northern California might have come as a surprise. Here's why it was sent.

A 4.2 earthquake shook off the Northern California coast early Tuesday morning, according to the United States Geological Survey. The earthquake struck at 5:01 a.m PST with an epicenter 27 miles west of the coastal town of Petrolia and 36 miles southwest of Ferndale.

The temblor struck at 3:08 p.m., according to the USGS. The incident was followed by at least nine earthquakes at magnitudes ranging from 2.5 to 3.3.

A 5.5 magnitude earthquake occurred in Nevada east of Lake Tahoe late Monday afternoon, the U.S. Geological Survey (USGS) reported. According to the USGS, it happened shortly after 3 p.m. and was initially recorded as a 5.

A 5.6 magnitude earthquake that struck Nevada on Monday afternoon was strong enough to rattle homes in California. The earthquake hit 15 miles outside Yerington, about 40 miles east of Carson City, around 3 p.