M2.3 earthquake 120 km SW of Adak, Alaska
A magnitude 2.3 earthquake struck 120 km SW of Adak, Alaska on Mon, Oct 16, 2017, 2:53 PM HADT (23:53 UTC), 20 km (12 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
- 2.3 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2017-10-16 23:53:16 UTC
- Depth
- 19.9 km (12.4 mi), shallow
- Epicenter
- 51.149° N, 177.917° 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
- 11
Nearby
Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 109 in the 30 days before it.
After
- 2.2124 km SW of Adak, Alaska · 3272 days ago · 15 km deep · 5 km away
- 2.957 km SSW of Adak, Alaska · 3271 days ago · 39 km deep · 67 km away
- 1.9132 km W of Adak, Alaska · 3271 days ago · 16 km deep · 77 km away
- 2.269 km S of Adak, Alaska · 3271 days ago · 22 km deep · 92 km away
- 2.986 km SW of Adak, Alaska · 3271 days ago · 50 km deep · 34 km away
- 1.9124 km W of Adak, Alaska · 3271 days ago · 20 km deep · 72 km away
- 2.0122 km WSW of Adak, Alaska · 3270 days ago · 14 km deep · 34 km away
- 1.9125 km W of Adak, Alaska · 3270 days ago · 13 km deep · 73 km away
- 2.9120 km WSW of Adak, Alaska · 3270 days ago · 7 km deep · 63 km away
- 2.1133 km W of Adak, Alaska · 3269 days ago · 7 km deep · 72 km away
- 1.9137 km WSW of Adak, Alaska · 3269 days ago · 1 km deep · 70 km away
- 2.1129 km WSW of Adak, Alaska · 3268 days ago · 25 km deep · 31 km away
- 3.0134 km WSW of Adak, Alaska · 3268 days ago · 5 km deep · 44 km away
- 1.8124 km WSW of Adak, Alaska · 3268 days ago · 11 km deep · 62 km away
- 2.0125 km WSW of Adak, Alaska · 3268 days ago · 13 km deep · 62 km away
- 2.0126 km W of Adak, Alaska · 3268 days ago · 19 km deep · 70 km away
- 2.3128 km W of Adak, Alaska · 3267 days ago · 14 km deep · 75 km away
- 2.2125 km WSW of Adak, Alaska · 3266 days ago · 13 km deep · 65 km away
- 2.361 km WSW of Adak, Alaska · 3266 days ago · 21 km deep · 62 km away
- 2.3126 km W of Adak, Alaska · 3266 days ago · 14 km deep · 71 km away
- 3.1161 km WSW of Adak, Alaska · 3265 days ago · 35 km deep · 47 km away
- 2.3128 km WSW of Adak, Alaska · 3265 days ago · 7 km deep · 63 km away
- 4.8131 km WSW of Adak, Alaska · 3265 days ago · 55 km deep · 42 km away
- 3.3122 km WSW of Adak, Alaska · 3265 days ago · 35 km deep · 30 km away
- 3.6126 km WSW of Adak, Alaska · 3264 days ago · 35 km deep · 38 km away
- 3.1128 km WSW of Adak, Alaska · 3264 days ago · 35 km deep · 33 km away
- 2.2127 km W of Adak, Alaska · 3264 days ago · 10 km deep · 71 km away
- 3.0125 km WSW of Adak, Alaska · 3264 days ago · 13 km deep · 64 km away
- 2.2128 km W of Adak, Alaska · 3263 days ago · 13 km deep · 71 km away
- 2.9102 km SW of Adak, Alaska · 3263 days ago · 29 km deep · 18 km away
- 2.1129 km W of Adak, Alaska · 3263 days ago · 35 km deep · 96 km away
- 2.797 km SW of Adak, Alaska · 3263 days ago · 21 km deep · 22 km away
- 2.2190 km WSW of Adak, Alaska · 3263 days ago · 33 km deep · 95 km away
- 2.2131 km W of Adak, Alaska · 3263 days ago · 18 km deep · 79 km away
- 2.074 km WSW of Adak, Alaska · 3262 days ago · 32 km deep · 50 km away
- 2.8114 km WSW of Adak, Alaska · 3262 days ago · 34 km deep · 23 km away
- 1.9105 km WSW of Adak, Alaska · 3262 days ago · 25 km deep · 56 km away
- 2.6Andreanof Islands, Aleutian Islands, Alaska · 3262 days ago · 20 km deep · 59 km away
- 2.0125 km WSW of Adak, Alaska · 3261 days ago · 14 km deep · 67 km away
- 1.9126 km WSW of Adak, Alaska · 3261 days ago · 57 km deep · 45 km away
- 1.977 km WSW of Adak, Alaska · 3260 days ago · 33 km deep · 48 km away
- 2.796 km WSW of Adak, Alaska · 3260 days ago · 27 km deep · 38 km away
- 2.6190 km WSW of Adak, Alaska · 3259 days ago · 25 km deep · 92 km away
- 3.2181 km WSW of Adak, Alaska · 3258 days ago · 26 km deep · 77 km away
- 1.9126 km W of Adak, Alaska · 3258 days ago · 7 km deep · 69 km away
- 2.0120 km W of Adak, Alaska · 3257 days ago · 84 km deep · 86 km away
- 1.9125 km WSW of Adak, Alaska · 3257 days ago · 8 km deep · 59 km away
- 2.0127 km WSW of Adak, Alaska · 3257 days ago · 9 km deep · 63 km away
- 1.9118 km WSW of Adak, Alaska · 3256 days ago · 36 km deep · 33 km away
- 1.9100 km SW of Adak, Alaska · 3256 days ago · 24 km deep · 27 km away
- 2.4126 km WSW of Adak, Alaska · 3256 days ago · 5 km deep · 62 km away
- 1.6122 km W of Adak, Alaska · 3255 days ago · 21 km deep · 75 km away
- 1.6144 km WSW of Adak, Alaska · 3255 days ago · 18 km deep · 66 km away
- 1.9135 km WSW of Adak, Alaska · 3255 days ago · 5 km deep · 69 km away
- 2.2133 km W of Adak, Alaska · 3255 days ago · 9 km deep · 72 km away
- 2.0110 km SW of Adak, Alaska · 3255 days ago · 36 km deep · 14 km away
- 1.7149 km WSW of Adak, Alaska · 3255 days ago · 18 km deep · 41 km away
- 1.684 km S of Adak, Alaska · 3255 days ago · 18 km deep · 98 km away
- 1.656 km SSW of Adak, Alaska · 3255 days ago · 48 km deep · 67 km away
- 1.9122 km WSW of Adak, Alaska · 3255 days ago · 15 km deep · 47 km away
The first 60 of at least 199.
Before
- 1.6110 km WSW of Adak, Alaska · 3272 days ago · 16 km deep · 47 km away
- 1.8116 km WSW of Adak, Alaska · 3274 days ago · 48 km deep · 41 km away
- 2.5126 km W of Adak, Alaska · 3274 days ago · 71 km deep · 83 km away
- 2.1126 km W of Adak, Alaska · 3274 days ago · 13 km deep · 70 km away
- 2.1136 km WSW of Adak, Alaska · 3274 days ago · 45 km deep · 37 km away
- 2.3129 km W of Adak, Alaska · 3274 days ago · 12 km deep · 73 km away
- 2.1127 km WSW of Adak, Alaska · 3274 days ago · 9 km deep · 67 km away
- 3.0139 km SW of Adak, Alaska · 3274 days ago · 19 km deep · 26 km away
- 2.8120 km WSW of Adak, Alaska · 3274 days ago · 14 km deep · 52 km away
- 2.2128 km WSW of Adak, Alaska · 3274 days ago · 15 km deep · 58 km away
- 2.1137 km WSW of Adak, Alaska · 3274 days ago · 44 km deep · 38 km away
- 1.756 km SW of Adak, Alaska · 3275 days ago · 49 km deep · 64 km away
- 2.1138 km W of Adak, Alaska · 3275 days ago · 25 km deep · 80 km away
- 2.5177 km WSW of Adak, Alaska · 3275 days ago · 83 km deep · 96 km away
- 2.6129 km WSW of Adak, Alaska · 3275 days ago · 17 km deep · 55 km away
- 2.8133 km WSW of Adak, Alaska · 3276 days ago · 10 km deep · 50 km away
- 3.9129 km WSW of Adak, Alaska · 3276 days ago · 10 km deep · 52 km away
- 4.1130 km WSW of Adak, Alaska · 3276 days ago · 10 km deep · 58 km away
- 2.5126 km WSW of Adak, Alaska · 3277 days ago · 12 km deep · 64 km away
- 2.3145 km WSW of Adak, Alaska · 3277 days ago · 19 km deep · 75 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak017dacbnuj (also filed as ak17090271). Read Fri, Oct 2, 2026, 3:19 AM UTC.