M6.0 earthquake 228 km ESE of Atka, Alaska
A magnitude 6.0 earthquake struck 228 km ESE of Atka, Alaska on Fri, May 17, 1957, 6:24 PM GMT-11 (05:24 UTC), 20 km (12 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (mw), moderate
- Local time
- UTC
- 1957-05-18 05:24:09 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 51.219° N, 171.288° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearby
Within 100 km, magnitude 3.0 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem886563 (also filed as ushis2233). Read Mon, Sep 28, 2026, 7:04 PM UTC.