M3.4 earthquake 62 km ESE of Old Harbor, Alaska
A magnitude 3.4 earthquake struck 62 km ESE of Old Harbor, Alaska on Fri, Mar 30, 1973, 7:54 PM GMT-10 (05:54 UTC), 65 km (40 mi) below the surface.
A larger quake followed: M4.4 7 km E of Old Harbor, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.4 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-03-31 05:54:33 UTC
- Depth
- 65.0 km (40.4 mi), shallow
- Epicenter
- 56.960° N, 152.378° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000160. Read Thu, Oct 1, 2026, 9:18 AM UTC.