M2.1 earthquake 200 km SSE of Unalaska, Alaska
A magnitude 2.1 earthquake struck 200 km SSE of Unalaska, Alaska on Wed, Sep 5, 2018, 10:17 PM AKDT (06:17 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M3.3 199 km SSE 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
- 2.1 (ml), micro
- Local time
- UTC
- 2018-09-06 06:17:05 UTC
- Depth
- 5.1 km (3.2 mi), shallow
- Epicenter
- 52.202° N, 165.405° 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
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 5 in the 30 days before it.
After
- 1.7109 km SSE of Unalaska, Alaska · 2934 days ago · 23 km deep · 96 km away
- 1.8158 km ESE of Nikolski, Alaska · 2933 days ago · 25 km deep · 97 km away
- 1.9174 km SSE of Unalaska, Alaska · 2933 days ago · 23 km deep · 46 km away
- 2.1175 km SSE of Unalaska, Alaska · 2929 days ago · 13 km deep · 26 km away
- 1.8115 km SE of Unalaska, Alaska · 2909 days ago · 8 km deep · 91 km away
- 3.3199 km SSE of Unalaska, Alaska · 2905 days ago · 25 km deep · 12 km away
- 2.3150 km ESE of Nikolski, Alaska · 2892 days ago · 18 km deep · 99 km away
- 2.3183 km SSE of Unalaska, Alaska · 2892 days ago · 34 km deep · 17 km away
Before
- 1.8south of the Aleutian Islands · 2949 days ago · 10 km deep · 49 km away
- 3.9172 km SSE of Unalaska, Alaska · 2949 days ago · 10 km deep · 30 km away
- 2.1152 km SSE of Akutan, Alaska · 2950 days ago · 39 km deep · 88 km away
- 3.8198 km SSE of Unalaska, Alaska · 2952 days ago · 10 km deep · 38 km away
- 2.0147 km S of Unalaska, Alaska · 2961 days ago · 18 km deep · 92 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak018bfwho5n. Read Wed, Sep 30, 2026, 7:31 PM UTC.