The 1964 Great Alaska Earthquake

On March 27, 1964 at 5:36 PM the most powerful earthquake ever recorded in North America occurred in Southcentral Alaska and lasted nearly 5 minutes. This year, we commemorate the 50th anniversary of the Great Quake with many events. More info on the '64 quake.

New USGS Fact Sheet! - The 1964 Great Alaska Earthquake and Tsunamis—A Modern Perspective and Enduring Legacies

Magnitude 9.2 video 4 min. version 11 min. version

1964 Great Alaska Earthquake Photo Tour of Anchorage - Story Map Other USGS Resources on the 1964 Great Alaska Earthquake and Tsunami

News and Announcements

Do you know what to do in case of an earthquake? View the video of the Great Alaska ShakeOut Drop, Cover, Hold On drill on Facebook or YouTube

Members

Our members include: scientists and engineers; non-profit organization and business leaders; community groups and activists; federal, state, and local government leaders and agencies; and others who share our passion to reduce earthquake risk in Alaska. Join us today.

Are You Prepared?

Are you prepared for the next big earthquake in Alaska?

Are You Ready?

Earthquake Preparedness

Recent Alaska Earthquakes

Alaska Earthquake Center

USGS Earthquake Hazards Program Earthquake map

Did you feel it?

Alaska Seismic Hazards Safety Commission

The Alaska Seismic Hazards Safety Commission recommends goals and priorities for seismic risk mitigation to the public and private sectors and to recommend policies to the governor and legislature to reduce the state's vulnerability to earthquakes.