Over the last few days, the Coachella Valley has experienced more than 20 earthquakes, causing concern among some residents.

The quake caused serious shaking in many parts of the Coachella Valley, located about 130 miles east of Los Angeles.

Episode 40 of the ongoing Kilauea eruption could begin at any time, according to scientists with the U.S. Geological Survey.

Nearly 75% of the country is at risk for a potentially damaging earthquake in the next 100 years, according to a recently updated map from the U.S. Geological Survey. The map is the first to include ...

The U.S. Geological Survey has assessed significant undiscovered oil and gas resources in the Woodford and Barnett shales of ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the Cascadia subduction zone, an area that could give rise ...