A single earthquake in Seattle could cause a catastrophic situation for the northwest corner of the state, a new report from Washington's Department of Natural Resources found. The study was focused ...

A Sentinel-2 satellite image of the mountain peak after the landslide. After seismologists detected abnormal vibrations, they determined that a 650-foot tsunami had occurred in Greenland. The tsunami ...

A tsunami stemming from a landslide in a Greenland fjord, caused by melting ice, was behind a surprising seismic event last year that shook the earth for nine days, a researcher told AFP on Friday.

A remarkable “time capsule” from one of the greatest volcanic disasters in human history may provide compelling evidence of the cataclysmic event and perhaps even the very first physical remains from ...

Residents across Northern California’s coast were told to quickly evacuate Thursday morning and urged to seek higher ground after a magnitude 7 earthquake off the coast of Humboldt County prompted a ...

"Knowing that we are still here and together, more importantly, would be some comfort," Louis Mullan tells PEOPLE National Geographic/Charlie Laing/Alec Davy Louis Mullan and his younger brother Theo ...

The dinosaur-killing asteroid that slammed into Earth 66 million years ago also triggered a jumbo-size tsunami with mile-high waves in the Gulf of Mexico whose waters traveled halfway around the world ...