News

The 2019 Ridgecrest earthquake sequence, which startled nearby California residents over the 4 July holiday with magnitude 6.4 and magnitude 7.1...

A sequence of earthquakes in southwest Puerto Rico continues to affect people living there, with the largest recent aftershock a magnitude 5.2 on Jan...

Earthquakes are unsettling, destructive, and often tragic to the communities they affect. The USGS works diligently to help keep people safer by...

Los terremotos, como los ocurridos en Puerto Rico, pueden ser preocupantes, destructivos y en muchas ocasiones trágicos para las comunidades afectadas...

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

What’s a day in the life of a research geologist like?

"19 November 2019–Hand-dug trenches around Leigh Lake in Grand Teton National Park in Wyoming reveal evidence for a previously unknown surface...

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!