M2.6 earthquake 189 km SSE of Old Harbor, Alaska
A magnitude 2.6 earthquake struck 189 km SSE of Old Harbor, Alaska on Fri, May 25, 2018, 4:38 AM AKDT (12:38 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.6 179 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
- 2.6 (ml), micro
- Local time
- UTC
- 2018-05-25 12:38:24 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 55.652° N, 152.056° 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.
- Location uncertainty
- About 4.7 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 231°, poorly surrounded by stations
- Stations used
- 33
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.1209 km SSE of Old Harbor, Alaska · 3048 days ago · 10 km deep · 22 km away
- 2.3133 km SSE of Akhiok, Alaska · 3047 days ago · 49 km deep · 93 km away
- 3.6179 km SSE of Akhiok, Alaska · 3046 days ago · 12 km deep · 99 km away
- 2.0124 km SSE of Old Harbor, Alaska · 3044 days ago · 34 km deep · 65 km away
- 2.3226 km SSE of Old Harbor, Alaska · 3044 days ago · 43 km deep · 37 km away
- 2.1189 km SSE of Old Harbor, Alaska · 3037 days ago · 8 km deep · 24 km away
- 2.9241 km SE of Old Harbor, Alaska · 3029 days ago · 6 km deep · 82 km away
- 2.3126 km SSE of Old Harbor, Alaska · 3027 days ago · 18 km deep · 64 km away
- 2.9248 km SE of Old Harbor, Alaska · 3010 days ago · 5 km deep · 88 km away
- 2.7217 km SSE of Chiniak, Alaska · 3009 days ago · 9 km deep · 87 km away
- 3.0195 km SSE of Old Harbor, Alaska · 3004 days ago · 10 km deep · 25 km away
- 2.5202 km SSE of Old Harbor, Alaska · 3000 days ago · 7 km deep · 16 km away
- 2.3198 km SSE of Old Harbor, Alaska · 2994 days ago · 12 km deep · 21 km away
- 1.7162 km SSE of Old Harbor, Alaska · 2994 days ago · 11 km deep · 32 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000ef7g (also filed as ak19694377, aacse0186o0aq9e, ak0186o0aq9e). Read Mon, Sep 28, 2026, 4:56 PM UTC.