M2.2 earthquake 125 km WSW of Adak, Alaska
A magnitude 2.2 earthquake struck 125 km WSW of Adak, Alaska on Mon, Oct 23, 2017, 12:39 AM HADT (09:39 UTC), 13 km (8 mi) below the surface.
A larger quake followed: M4.8 131 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
- 2.2 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2017-10-23 09:39:55 UTC
- Depth
- 13.2 km (8.2 mi), shallow
- Epicenter
- 51.645° N, 178.415° 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
- 16
Nearby
Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 118 in the 30 days before it.
After
- 2.361 km WSW of Adak, Alaska · 3266 days ago · 21 km deep · 69 km away
- 2.3126 km W of Adak, Alaska · 3265 days ago · 14 km deep · 6 km away
- 3.1161 km WSW of Adak, Alaska · 3265 days ago · 35 km deep · 63 km away
- 2.3128 km WSW of Adak, Alaska · 3265 days ago · 7 km deep · 5 km away
- 4.8131 km WSW of Adak, Alaska · 3265 days ago · 55 km deep · 28 km away
- 3.3122 km WSW of Adak, Alaska · 3264 days ago · 35 km deep · 36 km away
- 3.6126 km WSW of Adak, Alaska · 3264 days ago · 35 km deep · 30 km away
- 4.1206 km WSW of Adak, Alaska · 3264 days ago · 60 km deep · 82 km away
- 3.1128 km WSW of Adak, Alaska · 3264 days ago · 35 km deep · 35 km away
- 2.2127 km W of Adak, Alaska · 3264 days ago · 10 km deep · 6 km away
- 3.0125 km WSW of Adak, Alaska · 3264 days ago · 13 km deep · 1 km away
- 2.2128 km W of Adak, Alaska · 3263 days ago · 13 km deep · 6 km away
- 2.9102 km SW of Adak, Alaska · 3263 days ago · 29 km deep · 67 km away
- 2.1129 km W of Adak, Alaska · 3263 days ago · 35 km deep · 32 km away
- 2.4139 km W of Adak, Alaska · 3263 days ago · 6 km deep · 42 km away
- 2.797 km SW of Adak, Alaska · 3263 days ago · 21 km deep · 64 km away
- 2.2190 km WSW of Adak, Alaska · 3263 days ago · 33 km deep · 67 km away
- 2.2131 km W of Adak, Alaska · 3263 days ago · 18 km deep · 14 km away
- 2.074 km WSW of Adak, Alaska · 3262 days ago · 32 km deep · 58 km away
- 2.8114 km WSW of Adak, Alaska · 3262 days ago · 34 km deep · 42 km away
- 1.9105 km WSW of Adak, Alaska · 3262 days ago · 25 km deep · 20 km away
- 2.6Andreanof Islands, Aleutian Islands, Alaska · 3262 days ago · 20 km deep · 9 km away
- 2.0125 km WSW of Adak, Alaska · 3261 days ago · 14 km deep · 2 km away
- 1.9126 km WSW of Adak, Alaska · 3261 days ago · 57 km deep · 22 km away
- 1.977 km WSW of Adak, Alaska · 3260 days ago · 33 km deep · 57 km away
- 2.796 km WSW of Adak, Alaska · 3260 days ago · 27 km deep · 40 km away
- 2.6190 km WSW of Adak, Alaska · 3259 days ago · 25 km deep · 68 km away
- 3.2181 km WSW of Adak, Alaska · 3258 days ago · 26 km deep · 65 km away
- 1.9126 km W of Adak, Alaska · 3257 days ago · 7 km deep · 4 km away
- 2.0120 km W of Adak, Alaska · 3257 days ago · 84 km deep · 25 km away
- 1.9125 km WSW of Adak, Alaska · 3257 days ago · 8 km deep · 6 km away
- 2.0127 km WSW of Adak, Alaska · 3256 days ago · 9 km deep · 4 km away
- 1.9118 km WSW of Adak, Alaska · 3256 days ago · 36 km deep · 32 km away
- 1.9100 km SW of Adak, Alaska · 3256 days ago · 24 km deep · 82 km away
- 2.4126 km WSW of Adak, Alaska · 3256 days ago · 5 km deep · 3 km away
- 2.0194 km WSW of Adak, Alaska · 3255 days ago · 1 km deep · 69 km away
- 1.6122 km W of Adak, Alaska · 3255 days ago · 21 km deep · 12 km away
- 1.6144 km WSW of Adak, Alaska · 3255 days ago · 18 km deep · 20 km away
- 1.9135 km WSW of Adak, Alaska · 3255 days ago · 5 km deep · 10 km away
- 2.2133 km W of Adak, Alaska · 3255 days ago · 9 km deep · 9 km away
- 2.0110 km SW of Adak, Alaska · 3255 days ago · 36 km deep · 54 km away
- 1.7149 km WSW of Adak, Alaska · 3255 days ago · 18 km deep · 50 km away
- 1.656 km SSW of Adak, Alaska · 3255 days ago · 48 km deep · 95 km away
- 1.9122 km WSW of Adak, Alaska · 3255 days ago · 15 km deep · 18 km away
- 1.6128 km W of Adak, Alaska · 3255 days ago · 14 km deep · 7 km away
- 1.6133 km W of Adak, Alaska · 3255 days ago · 14 km deep · 12 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 3255 days ago · 34 km deep · 67 km away
- 2.3Andreanof Islands, Aleutian Islands, Alaska · 3255 days ago · 49 km deep · 39 km away
- 1.6122 km SW of Adak, Alaska · 3254 days ago · 16 km deep · 57 km away
- 1.597 km SW of Adak, Alaska · 3254 days ago · 13 km deep · 68 km away
- 2.462 km SSW of Adak, Alaska · 3254 days ago · 42 km deep · 94 km away
- 2.148 km SW of Adak, Alaska · 3254 days ago · 43 km deep · 91 km away
- 1.9128 km W of Adak, Alaska · 3254 days ago · 7 km deep · 4 km away
- 1.8125 km W of Adak, Alaska · 3254 days ago · 20 km deep · 8 km away
- 2.1132 km W of Adak, Alaska · 3253 days ago · 10 km deep · 13 km away
- 1.9132 km W of Adak, Alaska · 3253 days ago · 14 km deep · 12 km away
- 1.8Andreanof Islands, Aleutian Islands, Alaska · 3253 days ago · 16 km deep · 4 km away
- 1.7101 km WSW of Adak, Alaska · 3253 days ago · 45 km deep · 35 km away
- 1.7131 km W of Adak, Alaska · 3253 days ago · 11 km deep · 13 km away
- 1.999 km WSW of Adak, Alaska · 3253 days ago · 41 km deep · 39 km away
The first 60 of at least 199.
Before
- 2.2212 km WSW of Adak, Alaska · 3267 days ago · 18 km deep · 88 km away
- 2.3128 km W of Adak, Alaska · 3267 days ago · 14 km deep · 10 km away
- 2.0126 km W of Adak, Alaska · 3268 days ago · 19 km deep · 5 km away
- 2.0125 km WSW of Adak, Alaska · 3268 days ago · 13 km deep · 3 km away
- 1.8124 km WSW of Adak, Alaska · 3268 days ago · 11 km deep · 3 km away
- 3.0134 km WSW of Adak, Alaska · 3268 days ago · 5 km deep · 29 km away
- 2.1129 km WSW of Adak, Alaska · 3268 days ago · 25 km deep · 38 km away
- 2.6162 km W of Adak, Alaska · 3268 days ago · 106 km deep · 42 km away
- 1.9137 km WSW of Adak, Alaska · 3269 days ago · 1 km deep · 12 km away
- 2.1133 km W of Adak, Alaska · 3269 days ago · 7 km deep · 9 km away
- 2.9120 km WSW of Adak, Alaska · 3270 days ago · 7 km deep · 5 km away
- 1.9125 km W of Adak, Alaska · 3270 days ago · 13 km deep · 8 km away
- 2.0122 km WSW of Adak, Alaska · 3270 days ago · 14 km deep · 31 km away
- 1.9124 km W of Adak, Alaska · 3270 days ago · 20 km deep · 7 km away
- 2.986 km SW of Adak, Alaska · 3271 days ago · 50 km deep · 63 km away
- 1.9132 km W of Adak, Alaska · 3271 days ago · 16 km deep · 12 km away
- 2.957 km SSW of Adak, Alaska · 3271 days ago · 39 km deep · 97 km away
- 2.2124 km SW of Adak, Alaska · 3272 days ago · 15 km deep · 69 km away
- 2.3120 km SW of Adak, Alaska · 3272 days ago · 20 km deep · 65 km away
- 1.6110 km WSW of Adak, Alaska · 3272 days ago · 16 km deep · 22 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak017dloo3tp (also filed as ak17105868). Read Fri, Oct 2, 2026, 1:14 AM UTC.