Unlike regular tsunamis caused by earthquakes, mega-tsunamis are often triggered by huge landslides or collapsing volcanoes.

A significant earthquake struck in the United States over the weekend. A 4.9 magnitude earthquake struck in the United States ...

The earthquake was centered along Sand Point at a depth of 35.0 kilometers (about 21.8 miles). The USGS said it received one ...

Scientists have issued a warning about a mega-tsunami possibly sweeping entire communities across the US - with monstrous ...

An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.

Discover the most powerful earthquakes in US history, from Alaska to California. Learn about their magnitudes, impacts, and ...

Scientists at Mount Spurr in Alaska have been unable to collect vital volcanic data for over a month as the area experiences “elevated” levels of earthquakes — but authorities claim an ...

Continued federal funding through the Corporation for Public Broadcasting is not optional. It is essential to keep Alaskans ...

A 4.7 magnitude earthquake struck just miles from an Alaskan city already on alert for a possible volcanic eruption. The Alaska Earthquake Center recorded the tremor near Hope at 12:03am local ...

A drum seismograph records the shaking of the ground at the new earthquake ... More monitoring station June 23, 2004 at the ...

Last week, from Thursday onward, a handful of earthquakes rumbled throughout Kodiak Archipelago communities. According to the Alaska Earthquake Center, two separate 4.5 magnitude earthquakes ...