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

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

An earthquake with a preliminary magnitude of 3.7 struck in the Concord area on Sunday morning, according to the U.S.

President-elect Donald Trump says he plans to rename the Gulf of Mexico to the Gulf of America, because "it's ours." Who owns ...

"This number is based simply on averaging the two intervals between the three major past eruptions at Yellowstone—this is ...

A devastating earthquake in China's remote Tibet region on January 7 killed at least 126 people, with the tremor also ...

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It's true. Miller could easily find the crater by driving a few miles into St. Helena Parish from his East Feliciana Parish ...

A team of researchers led by UC Santa Cruz recently released a sophisticated new map that reveals, for the first time ... for ...