| Magnitude | 6.5 |
| Alert | Severe |
| Depth | 25.0 km |
| Coordinates | 52.123, 177.571 |
| UTC time | 1956-10-19 20:47:37.310 |
Earthquake details
Friday, October 19, 1956 Earthquake
The earthquake hit Alaska on Friday, October 19, 1956 at 20:47 UTC with a magnitude of 6.5. The closest known location in the current dataset is Petropavlovsk-Kamchatskiy (Alaska - AL), about 1281.5 km away. The epicenter is located at longitude 177.571 and latitude 52.123.
| Location | Rat Islands, Aleutian Islands |
| Country | Alaska (AL) |
| Severity | Severe |
Earthquake map 1956-10-19
Closest countries
The 12 closest cities near the epicenter.
| Petropavlovsk-Kamchatskiy | 1281.5 km |
| Yelizovo | 1297.2 km |
| Magadan | 1849.5 km |
| Anchorage | 2200.9 km |
| Fairbanks | 2417.6 km |
| Yuzhno-Sakhalinsk | 2555.0 km |
| Nemuro | 2562.4 km |
| Korsakov | 2567.9 km |
| Kholmsk | 2597.4 km |
| Abashiri | 2608.6 km |
| Sovetskaya Gavan' | 2630.8 km |
| Kitami | 2647.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.0
239 km ESE of Attu Station
Alaska · 2026-08-23 23:20 UTC
74.7 km
M 4.1
Rat Islands, Aleutian Islands
Alaska · 2026-07-29 12:45 UTC
56.8 km
M 4.2
227 km ESE of Attu Station
Alaska · 2026-07-24 09:56 UTC
83.9 km
M 4.1
235 km ESE of Attu Station
Alaska · 2026-07-19 21:36 UTC
87.0 km
M 4.2
231 km ESE of Attu Station
Alaska · 2026-07-16 17:18 UTC
98.5 km
M 4.2
231 km ESE of Attu Station
Alaska · 2026-07-11 15:20 UTC
82.7 km
M 4.3
226 km ESE of Attu Station
Alaska · 2026-07-09 15:06 UTC
93.8 km
M 4.1
230 km ESE of Attu Station
Alaska · 2026-07-03 23:03 UTC
86.1 km
Stay informed
Earthquake alerts
Create targeted notifications for important seismic activity near the places you follow.