The Great California ShakeOut earthquake drill is Thursday. Here's what to know.

Millions of people across California will participate in the Great California ShakeOut on Thursday, Oct. 17, a day dedicated to practicing earthquake safety.

• Oct 17, 2024

Scientist who helped create MyShake app says alert worked as planned

Phones in Northern California lit up Wednesday morning warning of an imminent quake that was about to rock the area.

• Oct 18, 2023

Major earthquake in the Delta could be disastrous for California's water supply

While the earthquake that struck near Isleton Wednesday morning wasn't strong, the location did raise questions about the possible risk to an area that is critical to the state's water supply.

• Oct 18, 2023

Loma Prieta anniversary provides reminder for earthquake preparation, updated disaster kits

The Great California ShakeOut​ takes place the same week as the anniversary of the Loma Prieta earthquake, serving as a reminder for Bay Area residents to be prepared before another major disaster strikes.

• Oct 17, 2023

California college abruptly closes its biggest building over seismic safety concerns

American River College professors are now scrambling to change their lesson plans while the school stares down a costly fix.

• Sep 7, 2023

"Glass was flying": Plumas County businesses clean up after 5.5-magnitude earthquake

A moderate earthquake rocked Northern California Thursday afternoon, causing some businesses to close down for the night due to the damage.

• May 11, 2023

California Geological Survey revises tsunami maps for 5 Bay Area counties

The California Geological Survey has released updated tsunami hazard maps for seven counties to help users determine whether they are in areas at risk for inundation and for planning.

• Oct 8, 2022