M1.9 earthquake 45 km WSW of Adak, Alaska
A magnitude 1.9 earthquake struck 45 km WSW of Adak, Alaska on Sun, Oct 8, 2017, 5:09 PM HADT (02:09 UTC), 42 km (26 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
- 1.9 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2017-10-09 02:09:28 UTC
- Depth
- 41.9 km (26.0 mi), shallow
- Epicenter
- 51.651° N, 177.184° 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
- 9
Nearby
Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 124 in the 30 days before it.
After
- 2.2Andreanof Islands, Aleutian Islands, Alaska · 3281 days ago · 15 km deep · 62 km away
- 2.964 km WSW of Adak, Alaska · 3280 days ago · 31 km deep · 19 km away
- 2.3104 km SW of Adak, Alaska · 3280 days ago · 39 km deep · 59 km away
- 2.9136 km W of Adak, Alaska · 3280 days ago · 24 km deep · 100 km away
- 2.8128 km W of Adak, Alaska · 3279 days ago · 23 km deep · 89 km away
- 2.0128 km WSW of Adak, Alaska · 3279 days ago · 23 km deep · 89 km away
- 2.1126 km WSW of Adak, Alaska · 3279 days ago · 11 km deep · 85 km away
- 2.578 km WSW of Adak, Alaska · 3278 days ago · 43 km deep · 33 km away
- 3.1127 km WSW of Adak, Alaska · 3278 days ago · 13 km deep · 87 km away
- 2.542 km SSE of Adak, Alaska · 3278 days ago · 53 km deep · 58 km away
- 2.5126 km WSW of Adak, Alaska · 3278 days ago · 12 km deep · 85 km away
- 4.1130 km WSW of Adak, Alaska · 3277 days ago · 10 km deep · 88 km away
- 3.9129 km WSW of Adak, Alaska · 3277 days ago · 10 km deep · 86 km away
- 2.8133 km WSW of Adak, Alaska · 3277 days ago · 10 km deep · 89 km away
- 2.6129 km WSW of Adak, Alaska · 3276 days ago · 17 km deep · 87 km away
- 2.1138 km W of Adak, Alaska · 3276 days ago · 25 km deep · 100 km away
- 1.756 km SW of Adak, Alaska · 3276 days ago · 49 km deep · 18 km away
- 2.1137 km WSW of Adak, Alaska · 3275 days ago · 44 km deep · 92 km away
- 2.2128 km WSW of Adak, Alaska · 3275 days ago · 15 km deep · 86 km away
- 2.8120 km WSW of Adak, Alaska · 3275 days ago · 14 km deep · 78 km away
- 3.0139 km SW of Adak, Alaska · 3275 days ago · 19 km deep · 94 km away
- 2.1127 km WSW of Adak, Alaska · 3275 days ago · 9 km deep · 87 km away
- 2.3129 km W of Adak, Alaska · 3275 days ago · 12 km deep · 90 km away
- 2.1136 km WSW of Adak, Alaska · 3275 days ago · 45 km deep · 91 km away
- 2.1126 km W of Adak, Alaska · 3275 days ago · 13 km deep · 87 km away
- 2.5126 km W of Adak, Alaska · 3275 days ago · 71 km deep · 90 km away
- 1.8116 km WSW of Adak, Alaska · 3275 days ago · 48 km deep · 72 km away
- 1.6110 km WSW of Adak, Alaska · 3273 days ago · 16 km deep · 68 km away
- 2.3120 km SW of Adak, Alaska · 3273 days ago · 20 km deep · 75 km away
- 2.2124 km SW of Adak, Alaska · 3273 days ago · 15 km deep · 80 km away
- 2.957 km SSW of Adak, Alaska · 3272 days ago · 39 km deep · 26 km away
- 1.9132 km W of Adak, Alaska · 3272 days ago · 16 km deep · 94 km away
- 2.269 km S of Adak, Alaska · 3272 days ago · 22 km deep · 60 km away
- 2.986 km SW of Adak, Alaska · 3272 days ago · 50 km deep · 41 km away
- 1.9124 km W of Adak, Alaska · 3272 days ago · 20 km deep · 85 km away
- 2.0122 km WSW of Adak, Alaska · 3271 days ago · 14 km deep · 78 km away
- 1.9125 km W of Adak, Alaska · 3271 days ago · 13 km deep · 87 km away
- 2.648 km NW of Adak, Alaska · 3271 days ago · 183 km deep · 66 km away
- 2.9120 km WSW of Adak, Alaska · 3271 days ago · 7 km deep · 80 km away
- 2.1133 km W of Adak, Alaska · 3270 days ago · 7 km deep · 94 km away
- 2.566 km SE of Adak, Alaska · 3270 days ago · 27 km deep · 85 km away
- 1.9137 km WSW of Adak, Alaska · 3270 days ago · 1 km deep · 97 km away
- 2.460 km SSE of Adak, Alaska · 3270 days ago · 13 km deep · 64 km away
- 2.726 km ESE of Adak, Alaska · 3269 days ago · 78 km deep · 65 km away
- 2.1129 km WSW of Adak, Alaska · 3269 days ago · 25 km deep · 84 km away
- 3.0134 km WSW of Adak, Alaska · 3269 days ago · 5 km deep · 90 km away
- 1.8124 km WSW of Adak, Alaska · 3269 days ago · 11 km deep · 83 km away
- 2.0125 km WSW of Adak, Alaska · 3269 days ago · 13 km deep · 84 km away
- 2.0126 km W of Adak, Alaska · 3269 days ago · 19 km deep · 87 km away
- 2.3128 km W of Adak, Alaska · 3268 days ago · 14 km deep · 90 km away
- 2.2125 km WSW of Adak, Alaska · 3267 days ago · 13 km deep · 85 km away
- 2.361 km WSW of Adak, Alaska · 3267 days ago · 21 km deep · 16 km away
- 2.3126 km W of Adak, Alaska · 3267 days ago · 14 km deep · 87 km away
- 2.3128 km WSW of Adak, Alaska · 3266 days ago · 7 km deep · 88 km away
- 4.8131 km WSW of Adak, Alaska · 3266 days ago · 55 km deep · 87 km away
- 3.3122 km WSW of Adak, Alaska · 3266 days ago · 35 km deep · 77 km away
- 3.6126 km WSW of Adak, Alaska · 3265 days ago · 35 km deep · 82 km away
- 3.1128 km WSW of Adak, Alaska · 3265 days ago · 35 km deep · 83 km away
- 2.2127 km W of Adak, Alaska · 3265 days ago · 10 km deep · 88 km away
- 3.0125 km WSW of Adak, Alaska · 3265 days ago · 13 km deep · 85 km away
The first 60 of at least 199.
Before
- 2.4123 km WSW of Adak, Alaska · 3281 days ago · 12 km deep · 82 km away
- 3.2129 km W of Adak, Alaska · 3281 days ago · 10 km deep · 89 km away
- 3.2Andreanof Islands, Aleutian Islands, Alaska · 3281 days ago · 23 km deep · 86 km away
- 1.6125 km W of Adak, Alaska · 3282 days ago · 18 km deep · 88 km away
- 1.6134 km WSW of Adak, Alaska · 3282 days ago · 7 km deep · 93 km away
- 1.957 km SSE of Adak, Alaska · 3282 days ago · 26 km deep · 70 km away
- 2.151 km SW of Adak, Alaska · 3282 days ago · 34 km deep · 7 km away
- 2.0131 km W of Adak, Alaska · 3282 days ago · 13 km deep · 93 km away
- 2.2132 km W of Adak, Alaska · 3282 days ago · 13 km deep · 93 km away
- 2.981 km S of Adak, Alaska · 3283 days ago · 17 km deep · 75 km away
- 2.4125 km WSW of Adak, Alaska · 3283 days ago · 13 km deep · 85 km away
- 1.6Andreanof Islands, Aleutian Islands, Alaska · 3283 days ago · 17 km deep · 89 km away
- 2.267 km W of Adak, Alaska · 3283 days ago · 13 km deep · 41 km away
- 2.3103 km SW of Adak, Alaska · 3283 days ago · 41 km deep · 58 km away
- 2.565 km SSW of Adak, Alaska · 3283 days ago · 37 km deep · 36 km away
- 2.2129 km WSW of Adak, Alaska · 3284 days ago · 8 km deep · 89 km away
- 3.0134 km WSW of Adak, Alaska · 3284 days ago · 29 km deep · 89 km away
- 2.660 km SSW of Adak, Alaska · 3285 days ago · 39 km deep · 28 km away
- 2.8116 km WSW of Adak, Alaska · 3285 days ago · 20 km deep · 71 km away
- 2.173 km SW of Adak, Alaska · 3286 days ago · 25 km deep · 28 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak017cyesq33 (also filed as ak17017812). Read Sat, Oct 3, 2026, 5:09 AM UTC.