M6.0 earthquake 51 km SSE of Atka, Alaska
A magnitude 6.0 earthquake struck 51 km SSE of Atka, Alaska on Tue, Jul 18, 1933, 11:55 PM GMT-11 (10:55 UTC).
A larger quake followed: M6.1 43 km S of Atka, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (ms), strong
- Local time
- UTC
- 1933-07-19 10:55:53 UTC
- Depth
- Not given
- Epicenter
- 51.750° N, 174.000° 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.
Nearby
Within 100 km, magnitude 3.0 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 6.165 km S of Atka, Alaska · 34041 days ago · 35 km deep · 19 km away
- 6.143 km S of Atka, Alaska · 34041 days ago · 35 km deep · 17 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ushis998. Read Wed, Sep 30, 2026, 6:39 PM UTC.