World Map › Major Earthquakes Since 1900 › 1986
Historic Earthquake
1986 United States of America Earthquake
7 May 1986 · Aleutian Islands, Adak · United States of America
On 7 May 1986 at 22:47 UTC, a magnitude 8.0 earthquake struck the United States of America (Aleutian Islands, Adak), at a depth of 19 km. It occurred on the North American Plate, 104 km from its boundary with the Pacific Plate (subduction zone). It triggered a tsunami.
- Date
- 7 May 1986
- Time
- 22:47 UTC
- Magnitude
- 8.0
- Depth
- 19 km
- Maximum Intensity
- VI (Mercalli)
- Tsunami
- Yes
- Plate
- North American Plate
- Country
- United States of America
- Nearest Volcano
- Koniuji Volcano (82 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 2011Aleutian Islands, Fox Islands · M 7.3
- 1996Andreanof Islands · M 7.9
- 1996Andreanof Islands · M 7.3
- 1971Andreanof Islands · M 7.1
- 19571957 Andreanof Islands Earthquake · M 8.62 deaths
- 1905Andreanof Islands · M 7.9
- 1901Aleutian 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