Significant earthquakes of 1917

May 31, 1917 Earthquake: Alaska Peninsula, Alaska, United States

May 31, 1917 · M7.9

A magnitude 7.9 earthquake struck Alaska Peninsula, Alaska, United States on May 31, 1917 at 08:47 UTC.

Map

Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.

The earthquake

Date
May 31, 1917
Time
08:47 UTC
Place
Alaska Peninsula, Alaska, United States
Magnitude
7.9 (Ms)
Intensity
5 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
54.790° N, 169.120° W

The toll

The record gives no deaths, injuries or damage for this earthquake.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1917The 1900sEvery quake the USGS located in 1917Recent earthquakes near hereThis day in weather history

Sources

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 3083.