The risk of a deadly tsunami ravaging the United States is now leading scientists to investigate hazards posed by giant earthquakes off the Alaskan coast. Scientists are concentrating on the ...

Alaska averages 40,000 earthquakes per year, with more large quakes than the other 49 states combined. Southern Alaska has a high risk of earthquakes due to tectonic plates sliding past each ...

A 5.9 magnitude earthquake shook south-central Alaska Tuesday afternoon, although no immediate damage was reported. The earthquake, which occurred at 1:42 p.m. Alaska Standard Time, took place ...

A 6.3-magnitude earthquake struck off the Gulf of Alaska on Sunday, according to the United States Geological Survey. The quake hit just before noon and was centered about 70 miles south-southwest ...

Southern Alaska has a high risk of earthquakes due to tectonic plates — part of the Pacific Ocean's so-called "Ring of Fire" — sliding past each other under the region.

Alaska Earthquake Center senior scientist Natalia Ruppert directs a group to jump around a seismic station on the playground of Glacier View School on Tuesday, April 30 in Chickaloon.

The United States Geological Survey warned that nearly 75% of the U.S. could face potentially damaging earthquakes and intense ground shaking in the next 100 years. The agency shared new maps ...