Earthquakes in Alaska Earthquake
5 earthquakes (M4+) recorded in Alaska Earthquake between 2005-2025. Data from USGS.
Total Earthquakes
5
Significant (M6+)
5
Maximum Magnitude
8.2
Avg Magnitude
7.6
Significant Events by Year
2025
1
2023
1
2021
1
2020
2
2002
1
1986
1
1964
1
1957
1
1946
1
1938
1
Significant Earthquakes (11)
| Mag | Location | Depth | Date |
|---|---|---|---|
| 7.3 | 2025 Sand Point, Alaska Earthquake | 38.0 km | Jul 16, 2025 |
| 7.2 | 2023 Sand Point, Alaska Earthquake | 25.0 km | Jul 16, 2023 |
| 8.2 | 2021 Chignik, Alaska Earthquake | 35.0 km | Jul 29, 2021 |
| 7.6 | 2020 Sand Point, Alaska Earthquake | 28.4 km | Oct 19, 2020 |
| 7.8 | 2020 Perryville, Alaska Earthquake | 28.0 km | Jul 22, 2020 |
| 7.9 | 2002 Denali Fault, Alaska Earthquake | 4.2 km | Nov 3, 2002 |
| 8.0 | 1986 Atka, Alaska Earthquake | 33.0 km | May 7, 1986 |
| 9.2 | The 1964 Prince William Sound, Alaska Earthquake | 25.0 km | Mar 28, 1964 |
| 8.6 | 1957 Atka, Alaska Earthquake | 25.0 km | Mar 9, 1957 |
| 8.6 | 1946 Unimak Island, Alaska Earthquake | 15.0 km | Apr 1, 1946 |
| 8.2 | 1938 Semidi Islands, Alaska Earthquake | 35.0 km | Nov 10, 1938 |