M1.8 earthquake 200 km SSE of Unalaska, Alaska
A magnitude 1.8 earthquake struck 200 km SSE of Unalaska, Alaska on Tue, Aug 24, 2021, 9:56 PM AKDT (05:56 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M3.0 138 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
- 1.8 (ml), micro
- Local time
- UTC
- 2021-08-25 05:56:18 UTC
- Depth
- 25.6 km (15.9 mi), shallow
- Epicenter
- 52.383° N, 164.848° 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
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 9 in the 30 days before it.
After
- 1.9151 km SSE of Akutan, Alaska · 1858 days ago · 55 km deep · 71 km away
- 2.5105 km SE of Unalaska, Alaska · 1854 days ago · 35 km deep · 96 km away
- 2.6197 km SE of Akutan, Alaska · 1849 days ago · 20 km deep · 69 km away
- 2.9194 km SE of Akutan, Alaska · 1842 days ago · 10 km deep · 88 km away
- 2.4217 km SE of Akutan, Alaska · 1839 days ago · 12 km deep · 90 km away
- 2.6195 km SE of Akutan, Alaska · 1839 days ago · 18 km deep · 93 km away
- 2.6209 km SE of Akutan, Alaska · 1829 days ago · 10 km deep · 67 km away
- 2.9188 km SSE of Unalaska, Alaska · 1819 days ago · 42 km deep · 13 km away
- 2.2161 km SSE of Unalaska, Alaska · 1810 days ago · 9 km deep · 39 km away
- 3.0138 km SE of Unalaska, Alaska · 1801 days ago · 8 km deep · 63 km away
Before
- 2.8185 km SSE of Unalaska, Alaska · 1861 days ago · 10 km deep · 78 km away
- 1.9123 km SSE of Akutan, Alaska · 1863 days ago · 6 km deep · 87 km away
- 2.1223 km SSE of Akutan, Alaska · 1865 days ago · 8 km deep · 31 km away
- 1.7137 km SSE of Akutan, Alaska · 1865 days ago · 18 km deep · 75 km away
- 2.2171 km SE of Unalaska, Alaska · 1877 days ago · 26 km deep · 29 km away
- 2.9194 km SSE of Akutan, Alaska · 1881 days ago · 10 km deep · 27 km away
- 2.5187 km S of Unalaska, Alaska · 1881 days ago · 10 km deep · 80 km away
- 2.8195 km SSE of Unalaska, Alaska · 1884 days ago · 10 km deep · 40 km away
- 2.6169 km SSE of Akutan, Alaska · 1886 days ago · 10 km deep · 44 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021aw1oglv. Read Mon, Sep 28, 2026, 2:34 AM UTC.