| Magnitude | 6.4 |
| Alert | Severe |
| Depth | 108.4 km |
| Coordinates | 51.965, 178.838 |
| UTC time | 1991-01-23 01:12:29.750 |
Earthquake details
Wednesday, January 23, 1991 Earthquake
The earthquake hit Alaska on Wednesday, January 23, 1991 at 01:12 UTC with a magnitude of 6.4. The closest known location in the current dataset is Petropavlovsk-Kamchatskiy (Alaska - AL), about 1370.0 km away. The epicenter is located at longitude 178.838 and latitude 51.965.
| Location | Rat Islands, Aleutian Islands |
| Country | Alaska (AL) |
| Severity | Severe |
Earthquake map 1991-01-23
Closest countries
The 12 closest cities near the epicenter.
| Petropavlovsk-Kamchatskiy | 1370.0 km |
| Yelizovo | 1385.6 km |
| Magadan | 1929.4 km |
| Anchorage | 2146.3 km |
| Fairbanks | 2374.7 km |
| Yuzhno-Sakhalinsk | 2642.2 km |
| Nemuro | 2645.4 km |
| Korsakov | 2654.9 km |
| Kholmsk | 2684.8 km |
| Abashiri | 2692.9 km |
| Sovetskaya Gavan' | 2719.1 km |
| Kitami | 2731.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-29 12:45 UTC
37.7 km
M 4.5
Rat Islands, Aleutian Islands
Alaska · 2026-04-04 09:39 UTC
96.5 km
M 4.0
230 km W of Adak
Alaska · 2026-03-18 16:57 UTC
87.7 km
M 4.7
225 km W of Adak
Alaska · 2026-02-19 06:37 UTC
86.2 km
M 4.9
Rat Islands, Aleutian Islands
Alaska · 2026-02-14 07:10 UTC
31.2 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-02-04 06:06 UTC
54.6 km
M 4.2
Rat Islands, Aleutian Islands
Alaska · 2026-01-26 06:57 UTC
98.0 km
M 4.0
Rat Islands, Aleutian Islands
Alaska · 2025-12-26 18:17 UTC
84.0 km
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