M2.6 earthquake 205 km SSE of Unalaska, Alaska
A magnitude 2.6 earthquake struck 205 km SSE of Unalaska, Alaska on Fri, May 11, 2018, 1:08 AM AKDT (09:08 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.2 203 km SE of Unalaska, 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, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-05-11 09:08:03 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 52.246° N, 165.076° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 2.6 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed |
| 2.6 | ML, local (Richter) | Alaska Earthquake Center | Preliminary |
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 7.3 km horizontally, 2.0 km in depth
- Depth from
- Operator assigned
- Station coverage gap
- 263°, poorly surrounded by stations
- Stations used
- 25
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.5175 km SE of Akutan, Alaska · 3065 days ago · 10 km deep · 98 km away
- 2.5south of Alaska · 3049 days ago · 6 km deep · 28 km away
- 3.2203 km SE of Unalaska, Alaska · 3046 days ago · 10 km deep · 24 km away
- 2.2109 km SSE of Unalaska, Alaska · 3044 days ago · 5 km deep · 96 km away
- 2.4204 km SSE of Unalaska, Alaska · 3032 days ago · 28 km deep · 15 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000e5wv (also filed as ak19565642, ak01860st399). Read Thu, Oct 1, 2026, 5:25 AM UTC.