ALSWORTH, Alaska – A magnitude 4.2 earthquake shook southern Alaska on Friday, according to the U.S. Geological Survey. The ...

Welcome to your weekly seismic update from across the state, brought to you by the Alaska Earthquake Center, where we monitor ground shaking 24-7.

Subduction zones, where one tectonic plate dives underneath another, drive the world’s most devastating earthquakes and ...

Landslides, earthquakes, and subduction faults could generate 1,000-foot mega-tsunamis, wiping coastal communities off the ...

This event in the Pacific Northwest could cause an unprecedented rise in sea levels that can displace land and water, sinking ...

Tsunamis pose a risk to the entirety of the California coast. But should a major one strike, how bad could it be?

Seismic symphonies of minor earthquakes may affect grand movements on major faults.

The Cascadia Subduction Zone, dormant for over 300 years, poses a significant threat to the Pacific Northwest. A future ...

A recent Virginia Tech study reveals that the Pacific Northwest faces a heightened risk of catastrophic flooding and mega-tsunamis, potentially reachi ...

Alaska, Hawaii and areas along the mainland West Coast would be at risk if an earthquake erupts along the Cascadia subduction zone within the next 50 years.

The Great Alaska Earthquake was the most powerful earthquake ever recorded in the United States. Its violent tremors reshaped Alaska’s landscape and American earthquake preparedness forever.

New spending restrictions for some federal agencies are creating extra hoops for scientists to jump through to fix earthquake seismographs and deep ocean sensors that capture how fast tsunami ...