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 ...

In terms of absolute numbers, Florida and California have the most people whose public water supply could be contaminated, at ...

The discovery of a new fault line may explain the unusually strong and displaced shaking from April’s magnitude 4.8 quake ...

The recent eruption at Napau Crater was the first on Kilauea’s middle East Rift Zone (ERZ) in six years. We often remember ...

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