M1.8 earthquake 112 km WSW of Adak, Alaska
A magnitude 1.8 earthquake struck 112 km WSW of Adak, Alaska on Fri, Feb 26, 2016, 12:33 PM HAST (22:33 UTC), 19 km (12 mi) below the surface.
A larger quake followed: M4.3 131 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
- 1.8 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2016-02-26 22:33:18 UTC
- Depth
- 18.8 km (11.7 mi), shallow
- Epicenter
- 51.603° N, 178.199° 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
- 21
Nearby
Within 100 km, magnitude 1.5 and up: 138 in the 60 days after this one and 59 in the 30 days before it.
After
- 1.8Andreanof Islands, Aleutian Islands, Alaska · 3873 days ago · 5 km deep · 42 km away
- 1.739 km WSW of Adak, Alaska · 3873 days ago · 59 km deep · 73 km away
- 1.577 km WSW of Adak, Alaska · 3872 days ago · 27 km deep · 37 km away
- 2.1141 km WSW of Adak, Alaska · 3871 days ago · 30 km deep · 29 km away
- 2.1110 km WSW of Adak, Alaska · 3871 days ago · 2 km deep · 11 km away
- 1.8108 km WSW of Adak, Alaska · 3871 days ago · 14 km deep · 9 km away
- 1.9140 km WSW of Adak, Alaska · 3871 days ago · 20 km deep · 41 km away
- 1.823 km SSW of Adak, Alaska · 3871 days ago · 49 km deep · 100 km away
- 2.090 km W of Adak, Alaska · 3870 days ago · 74 km deep · 25 km away
- 1.897 km WSW of Adak, Alaska · 3870 days ago · 37 km deep · 24 km away
- 2.665 km SSW of Adak, Alaska · 3870 days ago · 31 km deep · 88 km away
- 2.2129 km WSW of Adak, Alaska · 3870 days ago · 80 km deep · 18 km away
- 2.7109 km WSW of Adak, Alaska · 3870 days ago · 30 km deep · 19 km away
- 2.4192 km WSW of Adak, Alaska · 3869 days ago · 43 km deep · 80 km away
- 1.870 km WSW of Adak, Alaska · 3869 days ago · 59 km deep · 42 km away
- 2.6170 km W of Adak, Alaska · 3869 days ago · 88 km deep · 63 km away
- 2.5130 km SW of Adak, Alaska · 3869 days ago · 26 km deep · 44 km away
- 2.3180 km WSW of Adak, Alaska · 3868 days ago · 62 km deep · 68 km away
- 1.931 km WSW of Adak, Alaska · 3868 days ago · 75 km deep · 81 km away
- 1.9105 km SW of Adak, Alaska · 3867 days ago · 48 km deep · 41 km away
- 1.9119 km WSW of Adak, Alaska · 3866 days ago · 13 km deep · 12 km away
- 1.979 km WSW of Adak, Alaska · 3866 days ago · 45 km deep · 43 km away
- 2.5131 km WSW of Adak, Alaska · 3865 days ago · 24 km deep · 38 km away
- 2.783 km WSW of Adak, Alaska · 3864 days ago · 44 km deep · 38 km away
- 1.8128 km W of Adak, Alaska · 3863 days ago · 20 km deep · 26 km away
- 2.1115 km WSW of Adak, Alaska · 3862 days ago · 23 km deep · 12 km away
- 2.0110 km WSW of Adak, Alaska · 3862 days ago · 12 km deep · 13 km away
- 2.4154 km WSW of Adak, Alaska · 3862 days ago · 46 km deep · 51 km away
- 2.396 km SW of Adak, Alaska · 3860 days ago · 26 km deep · 50 km away
- 2.189 km WSW of Adak, Alaska · 3860 days ago · 35 km deep · 37 km away
- 2.068 km WSW of Adak, Alaska · 3860 days ago · 39 km deep · 50 km away
- 2.2128 km WSW of Adak, Alaska · 3860 days ago · 46 km deep · 40 km away
- 2.1115 km SW of Adak, Alaska · 3859 days ago · 33 km deep · 46 km away
- 1.661 km SW of Adak, Alaska · 3859 days ago · 31 km deep · 60 km away
- 2.485 km W of Adak, Alaska · 3858 days ago · 91 km deep · 33 km away
- 1.661 km SSW of Adak, Alaska · 3855 days ago · 38 km deep · 82 km away
- 2.3160 km WSW of Adak, Alaska · 3854 days ago · 6 km deep · 49 km away
- 2.364 km W of Adak, Alaska · 3852 days ago · 70 km deep · 49 km away
- 1.724 km SW of Adak, Alaska · 3851 days ago · 61 km deep · 92 km away
- 1.659 km SW of Adak, Alaska · 3851 days ago · 18 km deep · 71 km away
- 2.1106 km WSW of Adak, Alaska · 3851 days ago · 13 km deep · 6 km away
- 1.874 km WSW of Adak, Alaska · 3850 days ago · 30 km deep · 45 km away
- 1.837 km SW of Adak, Alaska · 3850 days ago · 57 km deep · 82 km away
- 1.545 km SW of Adak, Alaska · 3849 days ago · 28 km deep · 72 km away
- 1.673 km WSW of Adak, Alaska · 3849 days ago · 41 km deep · 46 km away
- 1.8103 km WSW of Adak, Alaska · 3848 days ago · 57 km deep · 17 km away
- 2.4Andreanof Islands, Aleutian Islands, Alaska · 3847 days ago · 24 km deep · 42 km away
- 1.8110 km WSW of Adak, Alaska · 3846 days ago · 13 km deep · 8 km away
- 2.2160 km WSW of Adak, Alaska · 3846 days ago · 46 km deep · 49 km away
- 1.6127 km WSW of Adak, Alaska · 3845 days ago · 56 km deep · 19 km away
- 1.873 km WSW of Adak, Alaska · 3845 days ago · 62 km deep · 42 km away
- 1.9121 km WSW of Adak, Alaska · 3845 days ago · 25 km deep · 21 km away
- 1.645 km SW of Adak, Alaska · 3845 days ago · 32 km deep · 79 km away
- 1.978 km SW of Adak, Alaska · 3844 days ago · 39 km deep · 54 km away
- 2.046 km SW of Adak, Alaska · 3844 days ago · 42 km deep · 78 km away
- 2.0111 km WSW of Adak, Alaska · 3844 days ago · 33 km deep · 8 km away
- 2.1Andreanof Islands, Aleutian Islands, Alaska · 3842 days ago · 33 km deep · 40 km away
- 1.880 km WSW of Adak, Alaska · 3840 days ago · 39 km deep · 36 km away
- 1.996 km SSW of Adak, Alaska · 3837 days ago · 5 km deep · 97 km away
- 2.2124 km WSW of Adak, Alaska · 3837 days ago · 10 km deep · 20 km away
The first 60 of 138.
Before
- 2.2170 km W of Adak, Alaska · 3873 days ago · 89 km deep · 63 km away
- 1.629 km SW of Adak, Alaska · 3874 days ago · 42 km deep · 91 km away
- 1.767 km WSW of Adak, Alaska · 3875 days ago · 55 km deep · 48 km away
- 1.7111 km WSW of Adak, Alaska · 3875 days ago · 38 km deep · 20 km away
- 2.741 km SSW of Adak, Alaska · 3875 days ago · 25 km deep · 93 km away
- 2.283 km WSW of Adak, Alaska · 3876 days ago · 25 km deep · 38 km away
- 2.6209 km W of Adak, Alaska · 3876 days ago · 88 km deep · 99 km away
- 2.3104 km SW of Adak, Alaska · 3877 days ago · 6 km deep · 60 km away
- 2.0122 km SW of Adak, Alaska · 3877 days ago · 26 km deep · 48 km away
- 1.684 km WSW of Adak, Alaska · 3877 days ago · 13 km deep · 33 km away
- 3.0103 km SW of Adak, Alaska · 3878 days ago · 47 km deep · 55 km away
- 1.880 km WSW of Adak, Alaska · 3878 days ago · 13 km deep · 37 km away
- 2.4160 km WSW of Adak, Alaska · 3878 days ago · 44 km deep · 52 km away
- 2.642 km SW of Adak, Alaska · 3878 days ago · 49 km deep · 79 km away
- 2.0112 km WSW of Adak, Alaska · 3879 days ago · 18 km deep · 0 km away
- 2.255 km WSW of Adak, Alaska · 3879 days ago · 58 km deep · 58 km away
- 2.0106 km WSW of Adak, Alaska · 3879 days ago · 64 km deep · 8 km away
- 2.495 km WSW of Adak, Alaska · 3880 days ago · 33 km deep · 22 km away
- 1.876 km WSW of Adak, Alaska · 3880 days ago · 30 km deep · 45 km away
- 2.195 km SW of Adak, Alaska · 3881 days ago · 40 km deep · 44 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0162mmxfix (also filed as ak12890553). Read Mon, Oct 5, 2026, 1:58 AM UTC.