World Map › Major Earthquakes Since 1900 › 1917
Historic Earthquake
1917 United States of America Earthquake
31 May 1917 · Alaska Peninsula · United States of America
On 31 May 1917 at 08:47 UTC, a magnitude 7.9 earthquake struck the United States of America (Alaska Peninsula). It occurred on the North American Plate, 320 km from its boundary with the Pacific Plate (subduction zone).
- Date
- 31 May 1917
- Time
- 08:47 UTC
- Magnitude
- 7.9
- Maximum Intensity
- V (Mercalli)
- Plate
- North American Plate
- Country
- United States of America
- Nearest Volcano
- Bogoslof (119 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 1957Aleutian Islands, Fox Islands · M 7.5
- 1916Aleutian Islands, Fox Islands · M 7.5
- 1907Aleutian Islands · M 7.8
- 1902Aleutian Islands, Fox Islands · M 7.8
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth