M3.7 earthquake 55 km SSE of Atka, Alaska
A magnitude 3.7 earthquake struck 55 km SSE of Atka, Alaska on Mon, May 28, 1973, 8:14 AM GMT-10 (18:14 UTC), 54 km (34 mi) below the surface.
A larger quake followed: M4.7 39 km WNW 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
- 3.7 (mb), minor
- Local time
- UTC
- 1973-05-28 18:14:11 UTC
- Depth
- 54.0 km (33.6 mi), shallow
- Epicenter
- 51.757° N, 173.833° 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.
- Stations used
- 11
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 5 in the 30 days before it.
After
Before
- 4.585 km SE of Atka, Alaska · 19486 days ago · 47 km deep · 36 km away
- 4.587 km SE of Atka, Alaska · 19486 days ago · 45 km deep · 40 km away
- 4.169 km SE of Atka, Alaska · 19486 days ago · 24 km deep · 28 km away
- 4.464 km ESE of Atka, Alaska · 19486 days ago · 50 km deep · 36 km away
- 5.482 km SE of Atka, Alaska · 19486 days ago · 43 km deep · 31 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00001yn. Read Wed, Sep 30, 2026, 3:34 AM UTC.