World Map › Major Earthquakes Since 1900 › 1979
Historic Earthquake
1979 Saint Elias Earthquake
28 February 1979 · United States of America
On 28 February 1979 at 21:27 UTC, a magnitude 7.5 earthquake struck the United States of America, at a depth of 18 km. It occurred on the North American Plate, 47 km from its boundary with the Pacific Plate (continental collision). It triggered a tsunami.
- Date
- 28 February 1979
- Time
- 21:27 UTC
- Magnitude
- 7.5
- Depth
- 18 km
- Maximum Intensity
- VII (Mercalli)
- Tsunami
- Yes
- Plate
- North American Plate
- Country
- United States of America
- Nearest Volcano
- Mount Churchill (77 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 1987Yakutat · M 7.9
- 1987Gulf of Alaska · M 7.2
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth