M3.4 earthquake 81 km SSE of Old Harbor, Alaska
A magnitude 3.4 earthquake struck 81 km SSE of Old Harbor, Alaska on Fri, Sep 12, 1986, 7:38 PM AKDT (03:38 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.0 107 km SSE of Akhiok, 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 (ml), minor
- Local time
- UTC
- 1986-09-13 03:38:10 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 56.523° N, 152.793° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.0107 km SSE of Akhiok, Alaska · 14620 days ago · 33 km deep · 57 km away
- 4.580 km SSE of Akhiok, Alaska · 14619 days ago · 33 km deep · 49 km away
- 5.987 km SSE of Akhiok, Alaska · 14616 days ago · 33 km deep · 60 km away
- 4.3108 km SSE of Akhiok, Alaska · 14611 days ago · 33 km deep · 73 km away
- 4.583 km SSE of Akhiok, Alaska · 14610 days ago · 33 km deep · 53 km away
- 4.3103 km S of Akhiok, Alaska · 14579 days ago · 33 km deep · 90 km away
- 4.3115 km SSE of Akhiok, Alaska · 14578 days ago · 33 km deep · 57 km away
- 3.351 km S of Akhiok, Alaska · 14575 days ago · 33 km deep · 81 km away
- 3.038 km SE of Akhiok, Alaska · 14575 days ago · 33 km deep · 60 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002y1c. Read Tue, Sep 22, 2026, 10:27 PM UTC.