The earthquakes of last Wednesday night were relatively shallow at depths of about six miles beneath the surface and in the ...

Despite occasional increases in activity, the United States Geological Survey previously warned that Popocatépetl has the ...

The discovery of a new fault line may explain the unusually strong and displaced shaking from April’s magnitude 4.8 quake that struck the heart of New Jersey, yet was felt the strongest miles away ...

A study led by researchers at the United States Geological Survey estimated that between 5 to 19 million tons of lithium ...