There were several aftershocks later in the day, including one with a magnitude of 4.0. The map below shows the seismic intensity of the earthquake. The map, which is mostly a lighter shade of ...

The potential for catastrophic earthquakes to rock nearly every corner of the United States is becoming a growing threat, according to the U.S. Geological Survey. By analyzing the newest seismic ...

according to the USGS report map. Light to weak seismic activity was reported in coastal New England and weak seismic activity was felt further inland.

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 ... and northeastern Atlantic Coast, including ...

WASHINGTON - The Trump administration on Friday authorized use of seismic air guns to find oil and gas formations deep underneath the Atlantic Ocean floor, reversing Obama administration policies ...