M2.1 earthquake 186 km SW of Adak, Alaska
A magnitude 2.1 earthquake struck 186 km SW of Adak, Alaska on Sat, Aug 19, 2017, 2:11 PM HADT (23:11 UTC), 21 km (13 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
- 2.1 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2017-08-19 23:11:15 UTC
- Depth
- 20.8 km (12.9 mi), shallow
- Epicenter
- 50.812° N, 178.706° 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: 192 in the 60 days after this one and 182 in the 30 days before it.
After
- 1.8127 km WSW of Adak, Alaska · 3330 days ago · 13 km deep · 94 km away
- 1.8229 km WSW of Adak, Alaska · 3329 days ago · 17 km deep · 92 km away
- 2.0127 km WSW of Adak, Alaska · 3329 days ago · 9 km deep · 89 km away
- 2.5125 km WSW of Adak, Alaska · 3329 days ago · 23 km deep · 92 km away
- 2.7215 km WSW of Adak, Alaska · 3329 days ago · 16 km deep · 73 km away
- 2.3129 km W of Adak, Alaska · 3328 days ago · 12 km deep · 97 km away
- 2.1125 km WSW of Adak, Alaska · 3328 days ago · 11 km deep · 93 km away
- 2.4127 km WSW of Adak, Alaska · 3328 days ago · 18 km deep · 84 km away
- 4.4244 km WSW of Adak, Alaska · 3328 days ago · 10 km deep · 85 km away
- 2.3128 km W of Adak, Alaska · 3328 days ago · 16 km deep · 99 km away
- 2.5133 km WSW of Adak, Alaska · 3327 days ago · 17 km deep · 90 km away
- 1.9123 km WSW of Adak, Alaska · 3326 days ago · 15 km deep · 92 km away
- 2.5126 km SW of Adak, Alaska · 3326 days ago · 27 km deep · 61 km away
- 1.7121 km WSW of Adak, Alaska · 3326 days ago · 13 km deep · 98 km away
- 1.6126 km WSW of Adak, Alaska · 3326 days ago · 9 km deep · 84 km away
- 1.7Andreanof Islands, Aleutian Islands, Alaska · 3326 days ago · 14 km deep · 95 km away
- 1.8124 km WSW of Adak, Alaska · 3326 days ago · 16 km deep · 97 km away
- 2.4145 km WSW of Adak, Alaska · 3326 days ago · 50 km deep · 52 km away
- 2.1126 km WSW of Adak, Alaska · 3325 days ago · 7 km deep · 88 km away
- 2.5125 km WSW of Adak, Alaska · 3325 days ago · 12 km deep · 93 km away
- 4.7198 km SW of Adak, Alaska · 3325 days ago · 24 km deep · 27 km away
- 2.4201 km WSW of Adak, Alaska · 3325 days ago · 58 km deep · 91 km away
- 2.0127 km WSW of Adak, Alaska · 3325 days ago · 13 km deep · 90 km away
- 2.1133 km W of Adak, Alaska · 3324 days ago · 14 km deep · 99 km away
- 3.5119 km SW of Adak, Alaska · 3324 days ago · 28 km deep · 67 km away
- 2.5129 km WSW of Adak, Alaska · 3324 days ago · 18 km deep · 79 km away
- 2.1127 km WSW of Adak, Alaska · 3324 days ago · 13 km deep · 90 km away
- 2.6102 km WSW of Adak, Alaska · 3323 days ago · 16 km deep · 87 km away
- 2.3116 km WSW of Adak, Alaska · 3323 days ago · 16 km deep · 76 km away
- 2.1101 km SW of Adak, Alaska · 3323 days ago · 15 km deep · 85 km away
- 2.0Andreanof Islands, Aleutian Islands, Alaska · 3323 days ago · 16 km deep · 96 km away
- 2.0208 km WSW of Adak, Alaska · 3322 days ago · 26 km deep · 81 km away
- 1.7129 km W of Adak, Alaska · 3322 days ago · 13 km deep · 99 km away
- 1.8Andreanof Islands, Aleutian Islands, Alaska · 3322 days ago · 49 km deep · 69 km away
- 1.8130 km WSW of Adak, Alaska · 3322 days ago · 13 km deep · 92 km away
- 1.6103 km WSW of Adak, Alaska · 3322 days ago · 17 km deep · 90 km away
- 2.9129 km WSW of Adak, Alaska · 3322 days ago · 35 km deep · 66 km away
- 1.6127 km WSW of Adak, Alaska · 3322 days ago · 8 km deep · 86 km away
- 1.6127 km W of Adak, Alaska · 3322 days ago · 13 km deep · 99 km away
- 2.1107 km SW of Adak, Alaska · 3322 days ago · 26 km deep · 79 km away
- 1.5124 km W of Adak, Alaska · 3321 days ago · 13 km deep · 100 km away
- 3.6260 km SW of Adak, Alaska · 3321 days ago · 10 km deep · 84 km away
- 4.090 km WSW of Adak, Alaska · 3321 days ago · 66 km deep · 98 km away
- 2.4120 km WSW of Adak, Alaska · 3321 days ago · 35 km deep · 77 km away
- 2.2248 km WSW of Adak, Alaska · 3320 days ago · 5 km deep · 97 km away
- 1.8124 km W of Adak, Alaska · 3320 days ago · 15 km deep · 99 km away
- 2.5130 km WSW of Adak, Alaska · 3320 days ago · 10 km deep · 78 km away
- 1.8112 km SW of Adak, Alaska · 3320 days ago · 28 km deep · 74 km away
- 2.0Andreanof Islands, Aleutian Islands, Alaska · 3319 days ago · 51 km deep · 45 km away
- 2.0123 km SW of Adak, Alaska · 3319 days ago · 20 km deep · 64 km away
- 2.5198 km WSW of Adak, Alaska · 3318 days ago · 30 km deep · 60 km away
- 1.6126 km WSW of Adak, Alaska · 3318 days ago · 9 km deep · 95 km away
- 2.3123 km WSW of Adak, Alaska · 3318 days ago · 72 km deep · 92 km away
- 1.5127 km W of Adak, Alaska · 3318 days ago · 7 km deep · 99 km away
- 2.8Andreanof Islands, Aleutian Islands, Alaska · 3318 days ago · 11 km deep · 79 km away
- 2.4132 km W of Adak, Alaska · 3318 days ago · 11 km deep · 99 km away
- 2.0158 km SW of Adak, Alaska · 3318 days ago · 45 km deep · 33 km away
- 2.2125 km WSW of Adak, Alaska · 3318 days ago · 9 km deep · 95 km away
- 1.9128 km WSW of Adak, Alaska · 3318 days ago · 24 km deep · 62 km away
- 2.1167 km WSW of Adak, Alaska · 3318 days ago · 42 km deep · 69 km away
The first 60 of 192.
Before
- 2.1117 km SW of Adak, Alaska · 3331 days ago · 45 km deep · 69 km away
- 1.8186 km WSW of Adak, Alaska · 3331 days ago · 68 km deep · 88 km away
- 2.2Andreanof Islands, Aleutian Islands, Alaska · 3331 days ago · 47 km deep · 58 km away
- 1.7117 km WSW of Adak, Alaska · 3331 days ago · 12 km deep · 92 km away
- 1.7114 km WSW of Adak, Alaska · 3332 days ago · 13 km deep · 88 km away
- 1.6127 km WSW of Adak, Alaska · 3332 days ago · 13 km deep · 89 km away
- 2.0118 km WSW of Adak, Alaska · 3332 days ago · 13 km deep · 91 km away
- 3.6189 km WSW of Adak, Alaska · 3332 days ago · 52 km deep · 38 km away
- 2.7117 km WSW of Adak, Alaska · 3332 days ago · 10 km deep · 80 km away
- 1.6125 km WSW of Adak, Alaska · 3333 days ago · 16 km deep · 92 km away
- 1.5122 km W of Adak, Alaska · 3333 days ago · 18 km deep · 99 km away
- 2.2120 km WSW of Adak, Alaska · 3333 days ago · 14 km deep · 93 km away
- 2.3114 km WSW of Adak, Alaska · 3333 days ago · 12 km deep · 91 km away
- 1.9124 km WSW of Adak, Alaska · 3333 days ago · 7 km deep · 94 km away
- 2.1111 km SW of Adak, Alaska · 3333 days ago · 39 km deep · 75 km away
- 2.3125 km WSW of Adak, Alaska · 3333 days ago · 13 km deep · 93 km away
- 2.2Andreanof Islands, Aleutian Islands, Alaska · 3333 days ago · 5 km deep · 92 km away
- 2.3133 km W of Adak, Alaska · 3333 days ago · 8 km deep · 95 km away
- 2.7126 km WSW of Adak, Alaska · 3334 days ago · 19 km deep · 81 km away
- 2.3126 km WSW of Adak, Alaska · 3334 days ago · 8 km deep · 91 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak017amewj2r (also filed as ak16750059). Read Fri, Oct 2, 2026, 3:05 PM UTC.