News

On March 31, 2020, a  magnitude 6.5 earthquake struck  near Boise, ID, in the Challis National Forest. Seismic instruments indicate the earthquake...

On March 26, 2020, a  magnitude 5.0 earthquake struck West Texas near the New Mexico border. Seismic instruments indicate the earthquake originated at...

Updated Forecast Shows 1% Chance of Aftershock Above 5.7

USGS experts recently released a study that incorporates the latest earthquake science findings into an update of the National Seismic Hazard Model...

Today, the U.S. Geological Survey and the State of California pressed the “go” button to allow the first-ever statewide public testing of the...

How will ShakeAlert® likely perform now on a large earthquake impacting a major urban area? How much warning will you get? To answer this, let’s do a...

When the ground starts to shake, what do you do?  Great ShakeOut 2019:  Drop, Cover, and Hold On!

The goal of an earthquake early warning (EEW) system is to provide an alert to people and automatic systems after an earthquake begins but before the...

Two of the first questions that come to mind for anyone who just felt an earthquake are, “Will there be another one?” and “Will it be larger?”.

Read Co...

 Learn About USGS Hazards Science and More About National Preparedness Month:  The very nature of natural hazards means that they have the potential...