Magnitude 7.9 Earthquake Gulf of Alaska

Release Date:

The USGS has up-to-date details on the January 23, 2018 event.

A magnitude 7.9 earthquake struck the Gulf of Alaska on January 23, 2018 at 12:32 am Alaska time (09:32UTC).

Visit the USGS event page for more information. For estimates of casualties and damage, visit the USGS Prompt Assessment of Global Earthquakes for Response (PAGER) website.

Regional map showing the Gulf of Alaska and epicenter of M7.9 earthquake
USGS regional map of the January 23, 2018 earthquake in the Gulf of Alaska(Public domain.)

If you felt this earthquake, report your experience on the “USGS Did You Feel It?” website for this event.

For information about tsunami watches, warnings or advisories, visit the National Oceanic and Atmospheric Administration (NOAA) tsunami website.

The USGS operates a 24/7 National Earthquake Information Center in Colorado that can be reached for more information at 303-273-8500.

Learn more about the USGS Earthquake Hazards Program