World Map › Major Earthquakes Since 1900 › 1972
Historic Earthquake
1972 United States of America Earthquake
30 July 1972 · Sitka, Juneau · United States of America
On 30 July 1972 at 21:45 UTC, a magnitude 7.6 earthquake struck the United States of America (Sitka, Juneau), at a depth of 25 km. It occurred on the North American Plate, 26 km from its boundary with the Pacific Plate (continental transform fault). It triggered a tsunami.
- Date
- 30 July 1972
- Time
- 21:45 UTC
- Magnitude
- 7.6
- Depth
- 25 km
- Maximum Intensity
- VII (Mercalli)
- Tsunami
- Yes
- Plate
- North American Plate
- Country
- United States of America
- Nearest Volcano
- Edgecumbe (26 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 2013Southeastern · M 7.5
- 19581958 Lituya Bay Earthquake and Megatsunami · M 7.85 deaths
- 1927Se Alaska · M 7.1
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth