World Map › Major Earthquakes Since 1900 › 1988
Historic Earthquake
1988 United States of America Earthquake
6 March 1988 · Gulf of Alaska, Anchorage · United States of America
On 6 March 1988 at 22:35 UTC, a magnitude 7.8 earthquake struck the United States of America (Gulf of Alaska, Anchorage), at a depth of 15 km. It occurred on the Pacific Plate, 267 km from its boundary with the North American Plate (subduction zone). It triggered a tsunami.
- Date
- 6 March 1988
- Time
- 22:35 UTC
- Magnitude
- 7.8
- Depth
- 15 km
- Maximum Intensity
- V (Mercalli)
- Tsunami
- Yes
- Plate
- Pacific Plate
- Country
- United States of America
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