Earthquakes

A preliminary 5.3 magnitude earthquake struck Northern California on Saturday night, according to the United States Geological Survey. 

A preliminary 5.3 magnitude earthquake struck Northern California on Saturday night, according to the United States Geological Survey. 

The earth continues to shake off the coast of Northern California days after a 7.0 quake rocked the area, with the latest temblor registering a 4.2 magnitude early Tuesday.

An earthquake with a preliminary magnitude of 3.7 struck about 3.7 miles north-northwest of The Geysers in Lake County at 9:55 p.m. Monday, the U.S. Geological Survey said.

An earthquake with a preliminary magnitude of 3.7 struck about 3.7 miles north-northwest of The Geysers in Lake County at 9:55 a.m. Monday, the U.S. Geological Survey said.

A preliminary 5.5 magnitude earthquake struck east of Carson City in Nevada, according to the United States Geological Survey.

A rare and brief tsunami warning tested city and county responses in Northern California after a 7.0 magnitude earthquake shook part of the state. The National Weather Service canceled its alert after roughly an hour Thursday.

San Francisco noticed something missing from the city’s emergency response to Thursday’s tsunami warning after a 7.0 magnitude earthquake off the Northern California coast: the old system of emergency sirens were silent. The network of more than 100 old horns has been offline since 2019. They were supposed to be upgraded, but city crews soon found significant problems with their...

Here’s why emergency sirens were silent in San Francisco during a tsunami warning.

Longtime residents of San Francisco noted something missing from the city’s emergency response to Thursday’s tsunami warning. The old system of emergency sirens was silent. Sergio Quintana reports.

In the aftermath of a 7.0 magnitude earthquake off the Northern California coast, the ground continued to shake 24 hours later and authorities across the entire region were assessing the response. Kris Sanchez reports.

Four hours after a tsunami warning came out Thursday morning due to a 7.0 magnitude earthquake off the Northern California coast, surfers were back in the water in Half Moon Bay. But some residents said they never heard any sirens. Kris Sanchez reports.

More than 12 hours after the earthquake, people and businesses are still assessing the damage in Northern California. Gia Vang reports.

Cleanup has commenced in many parts of Northern California after a 7.0 earthquake rattled the area. The quake led to tsunami warnings and left businesses and people shocked. NBC Bay Area’s team has the latest details.

Several earthquakes rattled Northern California, including an off-shore 7.0 magnitude temblor that triggered a tsunami warning for parts of the coast.

Several earthquakes struck Northern California Thursday, including a magnitude 7.0 offshore in the Pacific Ocean that triggered a tsunami warning along coastal areas from Santa Cruz into Oregon. NBC Bay Area’s Jessica Aguirre spoke with Nathalie Racanelli, a teacher at Freshwater Elementary School in Eureka, to understand how the quake impacted the area.

Some residents said they never heard any sirens that are supposed to warn of a possible tsunami. Damian Trujillo reports.

Christie Smith shows how San Francisco reacted to this morning’s tsunami warning.

NBC Bay Area Chief Meteorologist provides an update on the aftershocks and takes a closer look at the 7.0 magnitude earthquake that struck off the Northern California coast.