M1.9 earthquake 159 km WSW of Adak, Alaska
A magnitude 1.9 earthquake struck 159 km WSW of Adak, Alaska on Wed, Mar 24, 2021, 11:52 PM HADT (08:52 UTC), 19 km (11 mi) below the surface.
A larger quake followed: M4.2 122 km WSW 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, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2021-03-25 08:52:22 UTC
- Depth
- 18.5 km (11.5 mi), shallow
- Epicenter
- 51.158° N, 178.626° 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
Nearby
Within 100 km, magnitude 1.5 and up: 82 in the 60 days after this one and 53 in the 30 days before it.
After
- 1.7126 km WSW of Adak, Alaska · 2016 days ago · 28 km deep · 46 km away
- 3.1207 km WSW of Adak, Alaska · 2013 days ago · 10 km deep · 47 km away
- 3.9224 km WSW of Adak, Alaska · 2012 days ago · 51 km deep · 82 km away
- 2.694 km SW of Adak, Alaska · 2011 days ago · 33 km deep · 68 km away
- 3.1181 km WSW of Adak, Alaska · 2011 days ago · 35 km deep · 23 km away
- 1.975 km WSW of Adak, Alaska · 2010 days ago · 30 km deep · 84 km away
- 1.8123 km WSW of Adak, Alaska · 2010 days ago · 7 km deep · 56 km away
- 2.7Andreanof Islands, Aleutian Islands, Alaska · 2008 days ago · 65 km deep · 83 km away
- 1.9116 km SW of Adak, Alaska · 2007 days ago · 17 km deep · 50 km away
- 3.0144 km W of Adak, Alaska · 2007 days ago · 183 km deep · 94 km away
- 2.2203 km WSW of Adak, AK · 2006 days ago · 66 km deep · 67 km away
- 1.584 km WSW of Adak, Alaska · 2005 days ago · 43 km deep · 76 km away
- 3.1127 km WSW of Adak, Alaska · 2005 days ago · 10 km deep · 46 km away
- 3.2141 km WSW of Adak, Alaska · 2005 days ago · 10 km deep · 33 km away
- 1.680 km WSW of Adak, Alaska · 2004 days ago · 38 km deep · 79 km away
- 2.7212 km WSW of Adak, Alaska · 2004 days ago · 113 km deep · 83 km away
- 2.6137 km SW of Adak, Alaska · 2002 days ago · 10 km deep · 47 km away
- 2.0119 km SW of Adak, Alaska · 2002 days ago · 13 km deep · 45 km away
- 1.9109 km WSW of Adak, Alaska · 2002 days ago · 25 km deep · 54 km away
- 2.965 km WSW of Adak, Alaska · 2001 days ago · 82 km deep · 95 km away
- 3.3229 km WSW of Adak, Alaska · 2001 days ago · 56 km deep · 97 km away
- 3.5137 km SW of Adak, Alaska · 1999 days ago · 35 km deep · 33 km away
- 1.998 km SW of Adak, Alaska · 1999 days ago · 22 km deep · 73 km away
- 1.9102 km WSW of Adak, Alaska · 1996 days ago · 1 km deep · 60 km away
- 3.0204 km WSW of Adak, Alaska · 1994 days ago · 13 km deep · 45 km away
- 1.7119 km WSW of Adak, Alaska · 1993 days ago · 17 km deep · 43 km away
- 2.3224 km WSW of Adak, Alaska · 1993 days ago · 69 km deep · 65 km away
- 1.7135 km W of Adak, Alaska · 1992 days ago · 19 km deep · 73 km away
- 1.7111 km WSW of Adak, Alaska · 1992 days ago · 17 km deep · 50 km away
- 3.6120 km WSW of Adak, Alaska · 1992 days ago · 10 km deep · 41 km away
- 1.5134 km W of Adak, Alaska · 1991 days ago · 6 km deep · 58 km away
- 2.7178 km WSW of Adak, AK · 1991 days ago · 33 km deep · 19 km away
- 1.5106 km WSW of Adak, Alaska · 1991 days ago · 13 km deep · 55 km away
- 2.189 km WSW of Adak, Alaska · 1991 days ago · 37 km deep · 70 km away
- 1.6169 km WSW of Adak, Alaska · 1991 days ago · 32 km deep · 41 km away
- 1.790 km WSW of Adak, Alaska · 1991 days ago · 25 km deep · 69 km away
- 2.8135 km SW of Adak, Alaska · 1990 days ago · 35 km deep · 27 km away
- 1.980 km WSW of Adak, Alaska · 1990 days ago · 65 km deep · 80 km away
- 1.8Andreanof Islands, Aleutian Islands, Alaska · 1990 days ago · 34 km deep · 92 km away
- 1.9150 km WSW of Adak, Alaska · 1989 days ago · 28 km deep · 9 km away
- 2.0192 km WSW of Adak, Alaska · 1988 days ago · 18 km deep · 46 km away
- 1.8116 km WSW of Adak, Alaska · 1988 days ago · 33 km deep · 53 km away
- 1.9165 km WSW of Adak, Alaska · 1988 days ago · 16 km deep · 49 km away
- 3.094 km SW of Adak, Alaska · 1988 days ago · 18 km deep · 66 km away
- 3.168 km SW of Adak, Alaska · 1987 days ago · 34 km deep · 97 km away
- 1.8130 km SW of Adak, Alaska · 1987 days ago · 37 km deep · 34 km away
- 1.7176 km WSW of Adak, Alaska · 1987 days ago · 69 km deep · 26 km away
- 2.6102 km WSW of Adak, Alaska · 1987 days ago · 35 km deep · 57 km away
- 3.0197 km WSW of Adak, Alaska · 1985 days ago · 35 km deep · 38 km away
- 1.784 km WSW of Adak, Alaska · 1985 days ago · 66 km deep · 79 km away
- 1.9127 km SW of Adak, Alaska · 1983 days ago · 40 km deep · 37 km away
- 2.8104 km WSW of Adak, Alaska · 1983 days ago · 30 km deep · 64 km away
- 1.8166 km W of Adak, Alaska · 1983 days ago · 11 km deep · 73 km away
- 1.5125 km WSW of Adak, Alaska · 1983 days ago · 13 km deep · 46 km away
- 2.2145 km W of Adak, Alaska · 1983 days ago · 165 km deep · 57 km away
- 1.691 km SW of Adak, Alaska · 1982 days ago · 18 km deep · 69 km away
- 1.6114 km WSW of Adak, Alaska · 1982 days ago · 19 km deep · 45 km away
- 2.6102 km WSW of Adak, Alaska · 1981 days ago · 61 km deep · 57 km away
- 1.8127 km SW of Adak, Alaska · 1981 days ago · 40 km deep · 34 km away
- 2.0138 km WSW of Adak, Alaska · 1981 days ago · 26 km deep · 22 km away
The first 60 of 82.
Before
- 1.9107 km WSW of Adak, Alaska · 2017 days ago · 7 km deep · 57 km away
- 1.880 km W of Adak, Alaska · 2017 days ago · 9 km deep · 96 km away
- 1.776 km W of Adak, Alaska · 2018 days ago · 13 km deep · 98 km away
- 1.9148 km WSW of Adak, Alaska · 2018 days ago · 30 km deep · 44 km away
- 1.787 km W of Adak, Alaska · 2018 days ago · 5 km deep · 94 km away
- 1.999 km WSW of Adak, Alaska · 2019 days ago · 59 km deep · 63 km away
- 2.2151 km WSW of Adak, Alaska · 2019 days ago · 17 km deep · 36 km away
- 3.081 km SW of Adak, Alaska · 2019 days ago · 55 km deep · 82 km away
- 1.6108 km WSW of Adak, Alaska · 2020 days ago · 4 km deep · 53 km away
- 1.7115 km WSW of Adak, Alaska · 2020 days ago · 8 km deep · 47 km away
- 3.0131 km WSW of Adak, Alaska · 2022 days ago · 29 km deep · 28 km away
- 1.959 km WSW of Adak, Alaska · 2022 days ago · 67 km deep · 100 km away
- 1.992 km WSW of Adak, Alaska · 2024 days ago · 71 km deep · 72 km away
- 2.2188 km WSW of Adak, Alaska · 2024 days ago · 6 km deep · 40 km away
- 1.9130 km WSW of Adak, Alaska · 2025 days ago · 58 km deep · 52 km away
- 1.9133 km WSW of Adak, Alaska · 2025 days ago · 4 km deep · 48 km away
- 1.776 km WSW of Adak, Alaska · 2025 days ago · 13 km deep · 83 km away
- 2.1140 km WSW of Adak, Alaska · 2025 days ago · 21 km deep · 19 km away
- 3.0148 km SW of Adak, Alaska · 2026 days ago · 10 km deep · 24 km away
- 3.3Andreanof Islands, Aleutian Islands, Alaska · 2027 days ago · 35 km deep · 64 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0213v27t9i. Read Thu, Oct 1, 2026, 1:01 PM UTC.