The 2.8 magnitude earthquake occurred at about 5:30 p.m. local time on Tuesday, with shaking felt across Virginia and beyond.

Nearly all of California has a more than 95% chance of a damaging earthquake in the next century, a new United States Geological Survey map shows. The new USGS National Seismic Hazard Model ...

A team of geologists coming from New Zealand, New Caledonia, Australia, the U.S., Denmark and Tasmania compiled a new geological map using a combination of rock samples recovered from the sea and ...

Dorothy and Toto aren’t the only ones known to hitch a ride on a passing severe weather event. A map from the U.S. Geological ...

A team of USGS researchers in Flagstaff are working to develop an all new geologic map of the Grand Canyon region.

The tremor struck at 6:34 p.m. and was located 2.3 miles northwest of Cobb, a census designated place 41 miles north of Santa ...

A magnitude 3.7 earthquake struck just off the coast of San Francisco Friday morning, adding a jolt to millions of residents ...

Kilauea was erupting within Halemaʻumaʻu crater in the summit caldera, within a closed area of Hawai'i Volcanoes National Park, as of 6:30 a.m. local time, after it first erupted around 2:00 a.m.

Maps showing where magma is moving or lava is advancing are also in this category. As this information is immediately required, HVO (and other USGS volcano observatories) have special ...