M1.6 earthquake 128 km WSW of Adak, Alaska
A magnitude 1.6 earthquake struck 128 km WSW of Adak, Alaska on Fri, Aug 11, 2017, 2:22 PM HADT (23:22 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M5.1 125 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
- 1.6 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2017-08-11 23:22:01 UTC
- Depth
- 18.0 km (11.2 mi), shallow
- Epicenter
- 51.643° N, 178.457° 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: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.
After
- 1.9210 km WSW of Adak, Alaska · 3339 days ago · 58 km deep · 82 km away
- 1.5125 km W of Adak, Alaska · 3338 days ago · 17 km deep · 5 km away
- 1.5125 km W of Adak, Alaska · 3338 days ago · 14 km deep · 7 km away
- 1.866 km SSW of Adak, Alaska · 3338 days ago · 42 km deep · 95 km away
- 2.1128 km W of Adak, Alaska · 3338 days ago · 14 km deep · 4 km away
- 2.1119 km SW of Adak, Alaska · 3338 days ago · 19 km deep · 60 km away
- 2.1125 km WSW of Adak, Alaska · 3338 days ago · 7 km deep · 5 km away
- 1.7130 km W of Adak, Alaska · 3338 days ago · 19 km deep · 15 km away
- 1.597 km WSW of Adak, Alaska · 3338 days ago · 15 km deep · 42 km away
- 1.6129 km WSW of Adak, Alaska · 3338 days ago · 16 km deep · 2 km away
- 1.5129 km W of Adak, Alaska · 3338 days ago · 16 km deep · 5 km away
- 1.6126 km WSW of Adak, Alaska · 3338 days ago · 14 km deep · 6 km away
- 1.9111 km SW of Adak, Alaska · 3338 days ago · 37 km deep · 63 km away
- 1.5103 km WSW of Adak, Alaska · 3338 days ago · 59 km deep · 49 km away
- 1.6130 km W of Adak, Alaska · 3338 days ago · 14 km deep · 6 km away
- 2.9129 km W of Adak, Alaska · 3338 days ago · 20 km deep · 3 km away
- 1.9126 km W of Adak, Alaska · 3338 days ago · 13 km deep · 3 km away
- 2.2127 km WSW of Adak, Alaska · 3337 days ago · 9 km deep · 4 km away
- 2.2132 km W of Adak, Alaska · 3337 days ago · 8 km deep · 5 km away
- 2.8144 km WSW of Adak, Alaska · 3337 days ago · 33 km deep · 30 km away
- 2.9128 km WSW of Adak, Alaska · 3336 days ago · 17 km deep · 5 km away
- 1.9126 km W of Adak, Alaska · 3336 days ago · 18 km deep · 4 km away
- 2.1123 km WSW of Adak, Alaska · 3336 days ago · 7 km deep · 6 km away
- 1.9124 km W of Adak, Alaska · 3336 days ago · 18 km deep · 7 km away
- 2.1127 km WSW of Adak, Alaska · 3336 days ago · 12 km deep · 1 km away
- 2.788 km SW of Adak, Alaska · 3336 days ago · 38 km deep · 57 km away
- 1.9130 km WSW of Adak, Alaska · 3336 days ago · 5 km deep · 9 km away
- 1.8124 km WSW of Adak, Alaska · 3336 days ago · 13 km deep · 4 km away
- 2.2133 km WSW of Adak, Alaska · 3336 days ago · 6 km deep · 5 km away
- 1.9185 km WSW of Adak, Alaska · 3336 days ago · 11 km deep · 62 km away
- 1.7123 km WSW of Adak, Alaska · 3336 days ago · 61 km deep · 10 km away
- 1.6123 km W of Adak, Alaska · 3336 days ago · 19 km deep · 7 km away
- 2.0127 km W of Adak, Alaska · 3335 days ago · 12 km deep · 4 km away
- 2.1202 km W of Adak, Alaska · 3335 days ago · 61 km deep · 74 km away
- 1.9130 km WSW of Adak, Alaska · 3335 days ago · 14 km deep · 7 km away
- 3.0128 km WSW of Adak, Alaska · 3334 days ago · 17 km deep · 6 km away
- 2.8139 km WSW of Adak, Alaska · 3334 days ago · 18 km deep · 11 km away
- 1.6126 km W of Adak, Alaska · 3334 days ago · 23 km deep · 17 km away
- 1.7123 km W of Adak, Alaska · 3334 days ago · 17 km deep · 7 km away
- 3.0130 km WSW of Adak, Alaska · 3334 days ago · 10 km deep · 24 km away
- 1.7118 km W of Adak, Alaska · 3334 days ago · 15 km deep · 22 km away
- 2.3126 km WSW of Adak, Alaska · 3334 days ago · 8 km deep · 5 km away
- 2.7126 km WSW of Adak, Alaska · 3334 days ago · 19 km deep · 17 km away
- 2.2134 km W of Adak, Alaska · 3333 days ago · 15 km deep · 10 km away
- 2.3133 km W of Adak, Alaska · 3333 days ago · 8 km deep · 6 km away
- 2.2Andreanof Islands, Aleutian Islands, Alaska · 3333 days ago · 5 km deep · 4 km away
- 2.3125 km WSW of Adak, Alaska · 3333 days ago · 13 km deep · 4 km away
- 2.1111 km SW of Adak, Alaska · 3333 days ago · 39 km deep · 59 km away
- 1.9124 km WSW of Adak, Alaska · 3333 days ago · 7 km deep · 5 km away
- 2.3114 km WSW of Adak, Alaska · 3333 days ago · 12 km deep · 19 km away
- 2.2120 km WSW of Adak, Alaska · 3333 days ago · 14 km deep · 10 km away
- 1.5122 km W of Adak, Alaska · 3333 days ago · 18 km deep · 7 km away
- 1.765 km SW of Adak, Alaska · 3333 days ago · 43 km deep · 92 km away
- 1.6125 km WSW of Adak, Alaska · 3333 days ago · 16 km deep · 5 km away
- 1.6Andreanof Islands, Aleutian Islands, Alaska · 3332 days ago · 15 km deep · 10 km away
- 2.7117 km WSW of Adak, Alaska · 3332 days ago · 10 km deep · 28 km away
- 3.6189 km WSW of Adak, Alaska · 3332 days ago · 52 km deep · 75 km away
- 2.0118 km WSW of Adak, Alaska · 3332 days ago · 13 km deep · 13 km away
- 2.185 km WSW of Adak, Alaska · 3332 days ago · 18 km deep · 50 km away
- 1.6127 km WSW of Adak, Alaska · 3332 days ago · 13 km deep · 6 km away
The first 60 of at least 202.
Before
- 1.7135 km W of Adak, Alaska · 3339 days ago · 11 km deep · 17 km away
- 1.9126 km W of Adak, Alaska · 3339 days ago · 12 km deep · 4 km away
- 1.780 km SW of Adak, Alaska · 3339 days ago · 38 km deep · 76 km away
- 1.680 km WSW of Adak, Alaska · 3339 days ago · 16 km deep · 54 km away
- 1.5118 km WSW of Adak, Alaska · 3339 days ago · 19 km deep · 31 km away
- 1.5100 km SW of Adak, Alaska · 3339 days ago · 17 km deep · 66 km away
- 2.3138 km W of Adak, Alaska · 3339 days ago · 13 km deep · 17 km away
- 3.8211 km WSW of Adak, Alaska · 3339 days ago · 52 km deep · 84 km away
- 4.0130 km WSW of Adak, Alaska · 3339 days ago · 17 km deep · 6 km away
- 2.2132 km W of Adak, Alaska · 3340 days ago · 17 km deep · 15 km away
- 1.8127 km W of Adak, Alaska · 3340 days ago · 17 km deep · 5 km away
- 1.7130 km W of Adak, Alaska · 3340 days ago · 29 km deep · 7 km away
- 1.583 km WSW of Adak, Alaska · 3340 days ago · 24 km deep · 51 km away
- 1.6Andreanof Islands, Aleutian Islands, Alaska · 3340 days ago · 61 km deep · 75 km away
- 1.5125 km W of Adak, Alaska · 3340 days ago · 21 km deep · 8 km away
- 1.6116 km WSW of Adak, Alaska · 3340 days ago · 82 km deep · 16 km away
- 1.5121 km SW of Adak, Alaska · 3341 days ago · 3 km deep · 56 km away
- 1.7124 km W of Adak, Alaska · 3341 days ago · 13 km deep · 5 km away
- 2.7136 km WSW of Adak, Alaska · 3341 days ago · 16 km deep · 9 km away
- 1.6122 km W of Adak, Alaska · 3341 days ago · 14 km deep · 6 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak017a96o2x1 (also filed as ak16499382). Read Fri, Oct 2, 2026, 2:03 PM UTC.