M2.6 earthquake 231 km SSE of Old Harbor, Alaska
A magnitude 2.6 earthquake struck 231 km SSE of Old Harbor, Alaska on Fri, Sep 21, 2018, 10:55 PM AKDT (06:55 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M2.8 203 km SSE 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
- 2.6 (ml), micro
- Local time
- UTC
- 2018-09-22 06:55:13 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 55.295° N, 151.806° 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
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 2.3241 km SSE of Chiniak, Alaska · 2929 days ago · 11 km deep · 93 km away
- 2.3241 km SSE of Old Harbor, Alaska · 2929 days ago · 14 km deep · 34 km away
- 2.5238 km SSE of Chiniak, Alaska · 2927 days ago · 12 km deep · 96 km away
- 2.2216 km SSE of Old Harbor, Alaska · 2915 days ago · 5 km deep · 17 km away
- 2.2255 km SSE of Akhiok, Alaska · 2915 days ago · 10 km deep · 29 km away
- 2.3231 km SE of Old Harbor, Alaska · 2884 days ago · 11 km deep · 68 km away
- 2.8203 km SSE of Old Harbor, Alaska · 2878 days ago · 31 km deep · 32 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak018c6dbdx2 (also filed as aacse018c6dbdx2). Read Tue, Sep 29, 2026, 9:21 AM UTC.