M2.5 earthquake 9 km SSE of Atka, Alaska
A magnitude 2.5 earthquake struck 9 km SSE of Atka, Alaska on Wed, Apr 7, 2021, 2:06 PM HADT (23:06 UTC), 187 km (116 mi) below the surface.
A larger quake followed: M5.1 75 km SE of Atka, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.5 (ml), micro
- Local time
- UTC
- 2021-04-07 23:06:17 UTC
- Depth
- 187.0 km (116.2 mi), intermediate-depth
- Epicenter
- 52.112° N, 174.171° 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
- 24
Nearby
Within 100 km, magnitude 1.5 and up: 59 in the 60 days after this one and 46 in the 30 days before it.
After
- 3.687 km SW of Atka, Alaska · 2000 days ago · 35 km deep · 82 km away
- 3.9Andreanof Islands, Aleutian Islands, Alaska · 2000 days ago · 221 km deep · 61 km away
- 1.736 km W of Atka, Alaska · 1999 days ago · 25 km deep · 39 km away
- 2.163 km ESE of Atka, Alaska · 1999 days ago · 24 km deep · 57 km away
- 3.467 km ENE of Atka, Alaska · 1997 days ago · 10 km deep · 68 km away
- 3.629 km NE of Atka, AK · 1995 days ago · 174 km deep · 34 km away
- 3.075 km WSW of Atka, Alaska · 1994 days ago · 233 km deep · 75 km away
- 2.086 km S of Atka, Alaska · 1992 days ago · 26 km deep · 78 km away
- 2.047 km ESE of Atka, Alaska · 1992 days ago · 65 km deep · 44 km away
- 3.149 km SW of Atka, Alaska · 1992 days ago · 10 km deep · 46 km away
- 1.654 km E of Atka, Alaska · 1991 days ago · 13 km deep · 53 km away
- 1.978 km SSE of Atka, Alaska · 1991 days ago · 17 km deep · 69 km away
- 1.628 km SE of Atka, Alaska · 1991 days ago · 11 km deep · 20 km away
- 3.646 km N of Atka, Alaska · 1991 days ago · 192 km deep · 56 km away
- 1.863 km E of Atka, Alaska · 1990 days ago · 4 km deep · 64 km away
- 2.182 km E of Adak, Alaska · 1990 days ago · 116 km deep · 88 km away
- 1.815 km SSW of Atka, Alaska · 1989 days ago · 74 km deep · 9 km away
- 1.943 km SE of Atka, Alaska · 1989 days ago · 17 km deep · 36 km away
- 1.861 km E of Atka, Alaska · 1989 days ago · 13 km deep · 59 km away
- 1.678 km E of Adak, Alaska · 1989 days ago · 71 km deep · 95 km away
- 2.933 km S of Atka, Alaska · 1989 days ago · 3 km deep · 25 km away
- 3.9Andreanof Islands, Aleutian Islands, Alaska · 1989 days ago · 221 km deep · 75 km away
- 2.228 km SE of Atka, Alaska · 1988 days ago · 70 km deep · 20 km away
- 1.683 km SW of Atka, Alaska · 1986 days ago · 26 km deep · 80 km away
- 2.220 km E of Atka, Alaska · 1986 days ago · 115 km deep · 22 km away
- 3.0Andreanof Islands, Aleutian Islands, Alaska · 1985 days ago · 192 km deep · 33 km away
- 2.237 km ESE of Atka, Alaska · 1985 days ago · 153 km deep · 34 km away
- 2.154 km E of Atka, Alaska · 1985 days ago · 88 km deep · 52 km away
- 2.120 km ESE of Atka, Alaska · 1985 days ago · 146 km deep · 18 km away
- 3.168 km SE of Atka, Alaska · 1985 days ago · 35 km deep · 61 km away
- 1.766 km SW of Atka, Alaska · 1984 days ago · 63 km deep · 62 km away
- 3.893 km ESE of Adak, Alaska · 1984 days ago · 50 km deep · 93 km away
- 1.771 km SW of Atka, Alaska · 1983 days ago · 38 km deep · 68 km away
- 1.978 km SE of Atka, Alaska · 1983 days ago · 12 km deep · 71 km away
- 2.968 km E of Atka, Alaska · 1983 days ago · 223 km deep · 69 km away
- 2.5Andreanof Islands, Aleutian Islands, Alaska · 1983 days ago · 35 km deep · 95 km away
- 2.256 km WNW of Atka, Alaska · 1981 days ago · 78 km deep · 61 km away
- 1.5Andreanof Islands, Aleutian Islands, Alaska · 1981 days ago · 6 km deep · 17 km away
- 1.943 km SSW of Atka, Alaska · 1980 days ago · 44 km deep · 35 km away
- 2.194 km SE of Atka, Alaska · 1978 days ago · 18 km deep · 86 km away
- 2.363 km S of Atka, Alaska · 1978 days ago · 21 km deep · 54 km away
- 3.345 km SSE of Atka, Alaska · 1976 days ago · 56 km deep · 37 km away
- 3.6100 km SW of Atka, Alaska · 1974 days ago · 35 km deep · 96 km away
- 1.599 km SW of Atka, Alaska · 1965 days ago · 26 km deep · 94 km away
- 3.199 km ESE of Adak, Alaska · 1964 days ago · 35 km deep · 96 km away
- 2.684 km SSE of Atka, Alaska · 1964 days ago · 35 km deep · 75 km away
- 2.955 km SW of Atka, Alaska · 1964 days ago · 51 km deep · 51 km away
- 2.579 km WSW of Atka, Alaska · 1963 days ago · 57 km deep · 76 km away
- 3.955 km SSE of Atka, Alaska · 1956 days ago · 35 km deep · 46 km away
- 4.295 km SE of Atka, Alaska · 1956 days ago · 16 km deep · 87 km away
- 4.281 km SE of Atka, Alaska · 1956 days ago · 41 km deep · 74 km away
- 5.175 km SE of Atka, Alaska · 1956 days ago · 21 km deep · 67 km away
- 3.879 km SE of Atka, Alaska · 1955 days ago · 45 km deep · 71 km away
- 4.198 km SE of Atka, Alaska · 1955 days ago · 45 km deep · 90 km away
- 4.099 km SE of Atka, Alaska · 1955 days ago · 35 km deep · 91 km away
- 2.984 km E of Adak, Alaska · 1951 days ago · 238 km deep · 87 km away
- 4.245 km E of Atka, Alaska · 1947 days ago · 148 km deep · 45 km away
- 2.042 km SW of Atka, Alaska · 1946 days ago · 55 km deep · 38 km away
- 3.3107 km SSE of Atka, Alaska · 1943 days ago · 33 km deep · 98 km away
Before
- 3.267 km E of Atka, Alaska · 2000 days ago · 12 km deep · 67 km away
- 2.060 km E of Atka, Alaska · 2000 days ago · 3 km deep · 60 km away
- 1.846 km NE of Atka, Alaska · 2000 days ago · 2 km deep · 51 km away
- 3.174 km E of Atka, Alaska · 2000 days ago · 10 km deep · 74 km away
- 3.974 km E of Atka, Alaska · 2000 days ago · 6 km deep · 73 km away
- 2.642 km S of Atka, Alaska · 2000 days ago · 77 km deep · 33 km away
- 4.276 km ESE of Atka, Alaska · 2001 days ago · 189 km deep · 71 km away
- 2.866 km SSE of Atka, Alaska · 2001 days ago · 27 km deep · 57 km away
- 3.752 km WSW of Atka, Alaska · 2004 days ago · 10 km deep · 51 km away
- 2.980 km S of Atka, Alaska · 2004 days ago · 34 km deep · 71 km away
- 3.392 km SW of Atka, Alaska · 2005 days ago · 35 km deep · 88 km away
- 1.975 km E of Adak, Alaska · 2005 days ago · 78 km deep · 96 km away
- 1.875 km SW of Atka, Alaska · 2008 days ago · 42 km deep · 69 km away
- 2.032 km SE of Atka, Alaska · 2008 days ago · 66 km deep · 24 km away
- 2.6102 km SW of Atka, Alaska · 2011 days ago · 25 km deep · 97 km away
- 2.885 km WSW of Atka, Alaska · 2011 days ago · 63 km deep · 82 km away
- 1.983 km S of Atka, Alaska · 2012 days ago · 1 km deep · 75 km away
- 2.935 km SSW of Atka, Alaska · 2012 days ago · 111 km deep · 30 km away
- 1.629 km SE of Atka, Alaska · 2014 days ago · 11 km deep · 22 km away
- 1.540 km E of Atka, Alaska · 2014 days ago · 13 km deep · 40 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0214gsuyus. Read Mon, Sep 28, 2026, 9:11 PM UTC.