Essentially, gas pistoning is a shallow, degassing-driven rise and fall of a lava surface. Often these pistons occur in ...

A 3.3-magnitude earthquake hit Northern California Monday evening near Los Banos, about 30 miles from San Jose. No damage ...

A minor, 3.3-magnitude earthquake struck in Northern California on Monday, according to the United States Geological Survey.

A small earthquake struck off the coast of Isla Vista on Thursday morning. It was 2.7 magnitudes, approximately 6 miles off the coast.

The Alaska earthquake was reported one day after a 5.7-magnitude earthquake was reported in Punta Cana on Tuesday (June 24), ...

The 3.6-magnitude earthquake happened at 6:30 p.m. and was centered at the San Luis Reservoir near Los Banos. The quake was ...

A preliminary 3.0 magnitude earthquake struck near Dublin Monday night, according to the United States Geological Survey. The ...

An increase in seismicity—marked by frequent tremors—was observed recently at Alaska's Iliamna Volcano, which last erupted in ...

Nearly two dozen state geological surveys depend heavily on federal funds. A proposed budget cut could slow or stop key ...

The Trump administration’s proposed budget bill would cut funding to the U.S. Geological Survey (USGS) by nearly 40%, ...

MENLO PARK — A real estate firm that has developed a lively South Bay mixed-use neighborhood is the highest bidder for a former U.S. Geological Survey campus. Presidio Bay Ventures submitted a ...

Environmentalists worry the report will be used to justify an increase in drilling without justifiable demand.