| Magnitude | 5.0 |
| Alert | Strong |
| Depth | 35.0 km |
| Coordinates | 51.163, 177.653 |
| UTC time | 1977-09-04 19:23:00.500 |
Earthquake details
Sunday, September 4, 1977 Earthquake
The earthquake hit Alaska on Sunday, September 4, 1977 at 19:23 UTC with a magnitude of 5.0. The closest known location in the current dataset is Petropavlovsk-Kamchatskiy (Alaska - AL), about 1313.7 km away. The epicenter is located at longitude 177.653 and latitude 51.163.
| Location | Rat Islands, Aleutian Islands |
| Country | Alaska (AL) |
| Severity | Strong |
Earthquake map 1977-09-04
Closest countries
The 12 closest cities near the epicenter.
| Petropavlovsk-Kamchatskiy | 1313.7 km |
| Yelizovo | 1330.4 km |
| Magadan | 1920.2 km |
| Anchorage | 2266.8 km |
| Fairbanks | 2495.7 km |
| Nemuro | 2552.2 km |
| Yuzhno-Sakhalinsk | 2564.6 km |
| Korsakov | 2576.1 km |
| Abashiri | 2603.5 km |
| Kholmsk | 2608.3 km |
| Kitami | 2641.9 km |
| Sovetskaya Gavan' | 2652.0 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
77.9 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-29 12:45 UTC
91.9 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-13 19:01 UTC
7.0 km
M 4.6
Rat Islands, Aleutian Islands
Alaska · 2026-05-27 05:57 UTC
83.6 km
M 4.5
Rat Islands, Aleutian Islands
Alaska · 2026-04-04 09:39 UTC
65.1 km
M 4.0
Rat Islands, Aleutian Islands
Alaska · 2026-02-05 19:33 UTC
57.5 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-02-04 06:06 UTC
68.3 km
M 4.2
Rat Islands, Aleutian Islands
Alaska · 2026-01-26 06:57 UTC
33.0 km
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