M1.9 earthquake 98 km SW of Adak, Alaska
A magnitude 1.9 earthquake struck 98 km SW of Adak, Alaska on Sun, Apr 11, 2021, 9:30 AM HADT (18:30 UTC), 22 km (14 mi) below the surface.
A larger quake followed: M2.7 53 km SSW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (ml), micro
- Local time
- UTC
- 2021-04-11 18:30:43 UTC
- Depth
- 22.0 km (13.7 mi), shallow
- Epicenter
- 51.216° N, 177.577° 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
- 17
Nearby
Within 100 km, magnitude 1.5 and up: 96 in the 60 days after this one and 66 in the 30 days before it.
After
- 1.759 km SSE of Adak, Alaska · 1990 days ago · 26 km deep · 99 km away
- 1.855 km SSW of Adak, Alaska · 1990 days ago · 45 km deep · 57 km away
- 1.743 km SSW of Adak, Alaska · 1990 days ago · 50 km deep · 62 km away
- 1.9102 km WSW of Adak, Alaska · 1988 days ago · 1 km deep · 46 km away
- 1.719 km SW of Adak, Alaska · 1988 days ago · 11 km deep · 78 km away
- 2.753 km SSW of Adak, Alaska · 1987 days ago · 36 km deep · 46 km away
- 1.7119 km WSW of Adak, Alaska · 1986 days ago · 17 km deep · 50 km away
- 1.633 km SSW of Adak, Alaska · 1986 days ago · 51 km deep · 66 km away
- 1.548 km SSE of Adak, Alaska · 1986 days ago · 23 km deep · 98 km away
- 1.662 km SSE of Adak, Alaska · 1986 days ago · 22 km deep · 98 km away
- 1.555 km SSW of Adak, Alaska · 1985 days ago · 19 km deep · 53 km away
- 1.7135 km W of Adak, Alaska · 1985 days ago · 19 km deep · 97 km away
- 1.552 km SSW of Adak, Alaska · 1985 days ago · 36 km deep · 47 km away
- 1.767 km SSE of Adak, Alaska · 1985 days ago · 12 km deep · 91 km away
- 1.7111 km WSW of Adak, Alaska · 1985 days ago · 17 km deep · 48 km away
- 3.6120 km WSW of Adak, Alaska · 1985 days ago · 10 km deep · 50 km away
- 1.575 km SSE of Adak, Alaska · 1985 days ago · 26 km deep · 95 km away
- 1.5Andreanof Islands, Aleutian Islands, Alaska · 1985 days ago · 39 km deep · 75 km away
- 1.967 km SSW of Adak, Alaska · 1985 days ago · 44 km deep · 34 km away
- 1.663 km S of Adak, Alaska · 1984 days ago · 25 km deep · 56 km away
- 1.5134 km W of Adak, Alaska · 1984 days ago · 6 km deep · 86 km away
- 1.737 km SSE of Adak, Alaska · 1984 days ago · 57 km deep · 82 km away
- 2.7178 km WSW of Adak, AK · 1984 days ago · 33 km deep · 92 km away
- 1.861 km SSE of Adak, Alaska · 1984 days ago · 22 km deep · 96 km away
- 1.5106 km WSW of Adak, Alaska · 1984 days ago · 13 km deep · 45 km away
- 2.189 km WSW of Adak, Alaska · 1984 days ago · 37 km deep · 35 km away
- 1.855 km SSE of Adak, Alaska · 1983 days ago · 21 km deep · 95 km away
- 1.790 km WSW of Adak, Alaska · 1983 days ago · 25 km deep · 28 km away
- 1.741 km SSE of Adak, Alaska · 1983 days ago · 33 km deep · 92 km away
- 1.552 km SW of Adak, Alaska · 1983 days ago · 43 km deep · 46 km away
- 2.8135 km SW of Adak, Alaska · 1983 days ago · 35 km deep · 47 km away
- 1.980 km WSW of Adak, Alaska · 1983 days ago · 65 km deep · 45 km away
- 1.8Andreanof Islands, Aleutian Islands, Alaska · 1982 days ago · 34 km deep · 27 km away
- 1.9150 km WSW of Adak, Alaska · 1982 days ago · 28 km deep · 65 km away
- 1.8116 km WSW of Adak, Alaska · 1981 days ago · 33 km deep · 60 km away
- 3.094 km SW of Adak, Alaska · 1981 days ago · 18 km deep · 22 km away
- 1.560 km SSW of Adak, Alaska · 1981 days ago · 26 km deep · 47 km away
- 3.168 km SW of Adak, Alaska · 1980 days ago · 34 km deep · 30 km away
- 1.8130 km SW of Adak, Alaska · 1980 days ago · 37 km deep · 40 km away
- 1.7176 km WSW of Adak, Alaska · 1980 days ago · 69 km deep · 97 km away
- 2.547 km SW of Adak, Alaska · 1980 days ago · 24 km deep · 52 km away
- 2.6102 km WSW of Adak, Alaska · 1979 days ago · 35 km deep · 31 km away
- 1.950 km S of Adak, Alaska · 1979 days ago · 25 km deep · 77 km away
- 1.784 km WSW of Adak, Alaska · 1978 days ago · 66 km deep · 52 km away
- 2.057 km SSE of Adak, Alaska · 1978 days ago · 27 km deep · 99 km away
- 1.9127 km SW of Adak, Alaska · 1976 days ago · 40 km deep · 37 km away
- 2.8104 km WSW of Adak, Alaska · 1976 days ago · 30 km deep · 59 km away
- 1.5125 km WSW of Adak, Alaska · 1975 days ago · 13 km deep · 66 km away
- 2.2145 km W of Adak, Alaska · 1975 days ago · 165 km deep · 94 km away
- 1.849 km S of Adak, Alaska · 1975 days ago · 25 km deep · 76 km away
- 2.041 km SSE of Adak, Alaska · 1975 days ago · 36 km deep · 90 km away
- 1.691 km SW of Adak, Alaska · 1975 days ago · 18 km deep · 22 km away
- 1.6114 km WSW of Adak, Alaska · 1975 days ago · 19 km deep · 44 km away
- 1.746 km W of Adak, Alaska · 1975 days ago · 80 km deep · 78 km away
- 2.6102 km WSW of Adak, Alaska · 1974 days ago · 61 km deep · 37 km away
- 2.264 km SSE of Adak, Alaska · 1974 days ago · 23 km deep · 79 km away
- 1.8127 km SW of Adak, Alaska · 1974 days ago · 40 km deep · 40 km away
- 1.643 km S of Adak, Alaska · 1974 days ago · 44 km deep · 77 km away
- 2.0138 km WSW of Adak, Alaska · 1974 days ago · 26 km deep · 58 km away
- 1.767 km WSW of Adak, Alaska · 1969 days ago · 72 km deep · 51 km away
The first 60 of 96.
Before
- 3.5137 km SW of Adak, Alaska · 1992 days ago · 35 km deep · 44 km away
- 3.328 km S of Adak, Alaska · 1994 days ago · 69 km deep · 80 km away
- 2.965 km WSW of Adak, Alaska · 1994 days ago · 82 km deep · 46 km away
- 2.565 km SSW of Adak, Alaska · 1994 days ago · 35 km deep · 46 km away
- 1.9109 km WSW of Adak, Alaska · 1995 days ago · 25 km deep · 51 km away
- 2.0119 km SW of Adak, Alaska · 1995 days ago · 13 km deep · 29 km away
- 2.6137 km SW of Adak, Alaska · 1995 days ago · 10 km deep · 39 km away
- 1.739 km SSE of Adak, Alaska · 1995 days ago · 35 km deep · 90 km away
- 2.050 km SW of Adak, Alaska · 1996 days ago · 42 km deep · 48 km away
- 1.680 km WSW of Adak, Alaska · 1997 days ago · 38 km deep · 35 km away
- 2.1107 km SSW of Adak, Alaska · 1997 days ago · 26 km deep · 52 km away
- 4.444 km SE of Adak, Alaska · 1997 days ago · 51 km deep · 99 km away · felt by 1
- 3.2141 km WSW of Adak, Alaska · 1998 days ago · 10 km deep · 73 km away
- 3.1127 km WSW of Adak, Alaska · 1998 days ago · 10 km deep · 68 km away
- 1.584 km WSW of Adak, Alaska · 1998 days ago · 43 km deep · 41 km away
- 1.852 km SSE of Adak, Alaska · 1999 days ago · 24 km deep · 80 km away
- 1.9116 km SW of Adak, Alaska · 2000 days ago · 17 km deep · 24 km away
- 2.916 km SSE of Adak, Alaska · 2001 days ago · 64 km deep · 93 km away
- 2.125 km S of Adak, Alaska · 2001 days ago · 57 km deep · 83 km away
- 2.7Andreanof Islands, Aleutian Islands, Alaska · 2001 days ago · 65 km deep · 21 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0214nc6dma. Read Thu, Sep 24, 2026, 8:59 AM UTC.