| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | 51.112, 177.830 |
| UTC time | 1975-08-21 07:24:19.800 |
Earthquake details
Thursday, August 21, 1975 Earthquake
The earthquake hit Alaska on Thursday, August 21, 1975 at 07:24 UTC with a magnitude of 5.0. The closest known location in the current dataset is Petropavlovsk-Kamchatskiy (Alaska - AL), about 1327.1 km away. The epicenter is located at longitude 177.830 and latitude 51.112.
| Location | Rat Islands, Aleutian Islands |
| Country | Alaska (AL) |
| Severity | Strong |
Earthquake map 1975-08-21
Closest countries
The 12 closest cities near the epicenter.
| Petropavlovsk-Kamchatskiy | 1327.1 km |
| Yelizovo | 1343.9 km |
| Magadan | 1933.3 km |
| Anchorage | 2261.5 km |
| Fairbanks | 2492.3 km |
| Nemuro | 2563.8 km |
| Yuzhno-Sakhalinsk | 2577.2 km |
| Korsakov | 2588.7 km |
| Abashiri | 2615.4 km |
| Kholmsk | 2621.1 km |
| Kitami | 2653.8 km |
| Sovetskaya Gavan' | 2665.1 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Rat Islands, Aleutian Islands
Alaska · 2026-08-20 02:45 UTC
64.4 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-29 12:45 UTC
91.8 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-13 19:01 UTC
13.1 km
M 4.6
Rat Islands, Aleutian Islands
Alaska · 2026-05-27 05:57 UTC
70.3 km
M 4.5
Rat Islands, Aleutian Islands
Alaska · 2026-04-04 09:39 UTC
52.5 km
M 4.0
Rat Islands, Aleutian Islands
Alaska · 2026-02-05 19:33 UTC
68.1 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-02-04 06:06 UTC
63.5 km
M 4.2
Rat Islands, Aleutian Islands
Alaska · 2026-01-26 06:57 UTC
40.2 km
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