M2.7 earthquake 128 km SSW of Atka, Alaska
A magnitude 2.7 earthquake struck 128 km SSW of Atka, Alaska on Thu, Aug 3, 2017, 9:46 PM HADT (06:46 UTC), 185 km (115 mi) below the surface.
A larger quake followed: M4.4 77 km ESE 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
- 2.7 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-08-04 06:46:47 UTC
- Depth
- 184.7 km (114.8 mi), intermediate-depth
- Epicenter
- 51.159° N, 175.032° 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.
- Location uncertainty
- About 13.6 km horizontally, 9.7 km in depth
- Stations used
- 9
Nearby
Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 40 in the 30 days before it.
After
- 1.997 km SSW of Atka, Alaska · 3346 days ago · 25 km deep · 32 km away
- 1.786 km SW of Atka, Alaska · 3346 days ago · 23 km deep · 60 km away
- 1.5Andreanof Islands, Aleutian Islands, Alaska · 3343 days ago · 20 km deep · 78 km away
- 2.0175 km SE of Adak, Alaska · 3343 days ago · 6 km deep · 63 km away
- 1.660 km SE of Adak, Alaska · 3342 days ago · 23 km deep · 78 km away
- 1.854 km SSE of Adak, Alaska · 3342 days ago · 24 km deep · 93 km away
- 1.654 km SSE of Adak, Alaska · 3341 days ago · 30 km deep · 96 km away
- 1.693 km SW of Atka, Alaska · 3341 days ago · 47 km deep · 57 km away
- 1.781 km SSE of Adak, Alaska · 3340 days ago · 35 km deep · 84 km away
- 1.5Andreanof Islands, Aleutian Islands, Alaska · 3340 days ago · 22 km deep · 94 km away
- 1.557 km SW of Atka, Alaska · 3340 days ago · 33 km deep · 74 km away
- 2.272 km S of Atka, Alaska · 3339 days ago · 14 km deep · 67 km away
- 2.169 km S of Atka, Alaska · 3338 days ago · 15 km deep · 68 km away
- 1.959 km ESE of Adak, Alaska · 3338 days ago · 54 km deep · 82 km away
- 1.5113 km SSW of Atka, Alaska · 3338 days ago · 17 km deep · 21 km away
- 1.669 km SSE of Atka, Alaska · 3337 days ago · 25 km deep · 96 km away
- 1.932 km SSW of Atka, Alaska · 3337 days ago · 71 km deep · 96 km away
- 1.847 km SE of Adak, Alaska · 3337 days ago · 47 km deep · 92 km away
- 2.266 km SSE of Adak, Alaska · 3336 days ago · 25 km deep · 79 km away
- 1.561 km SW of Atka, Alaska · 3330 days ago · 43 km deep · 72 km away
- 1.675 km ESE of Adak, Alaska · 3329 days ago · 63 km deep · 61 km away
- 1.563 km SSW of Atka, Alaska · 3329 days ago · 42 km deep · 66 km away
- 1.981 km ESE of Adak, Alaska · 3329 days ago · 55 km deep · 57 km away
- 1.754 km SE of Adak, Alaska · 3326 days ago · 26 km deep · 85 km away
- 2.8155 km SSE of Adak, Alaska · 3324 days ago · 10 km deep · 90 km away
- 2.554 km SE of Adak, Alaska · 3324 days ago · 40 km deep · 83 km away
- 1.943 km SE of Adak, Alaska · 3324 days ago · 43 km deep · 94 km away
- 2.298 km SW of Atka, Alaska · 3322 days ago · 26 km deep · 40 km away
- 1.760 km SSE of Adak, Alaska · 3322 days ago · 56 km deep · 99 km away
- 1.746 km SSW of Atka, Alaska · 3321 days ago · 31 km deep · 82 km away
- 1.9Andreanof Islands, Aleutian Islands, Alaska · 3321 days ago · 47 km deep · 53 km away
- 2.1128 km SE of Adak, Alaska · 3320 days ago · 26 km deep · 9 km away
- 1.781 km E of Adak, Alaska · 3319 days ago · 15 km deep · 71 km away
- 1.959 km SE of Adak, Alaska · 3318 days ago · 45 km deep · 81 km away
- 3.979 km S of Atka, Alaska · 3318 days ago · 43 km deep · 79 km away
- 1.789 km S of Atka, Alaska · 3318 days ago · 16 km deep · 71 km away
- 1.770 km SSE of Adak, Alaska · 3318 days ago · 17 km deep · 96 km away
- 2.352 km SE of Adak, Alaska · 3317 days ago · 44 km deep · 87 km away
- 3.170 km ESE of Adak, Alaska · 3316 days ago · 46 km deep · 72 km away
- 2.458 km SSE of Atka, Alaska · 3315 days ago · 7 km deep · 99 km away
- 1.646 km SE of Adak, Alaska · 3315 days ago · 25 km deep · 93 km away
- 2.6104 km SSW of Atka, Alaska · 3311 days ago · 33 km deep · 25 km away
- 1.993 km ESE of Adak, Alaska · 3310 days ago · 48 km deep · 63 km away
- 2.3151 km S of Atka, Alaska · 3309 days ago · 18 km deep · 67 km away
- 2.186 km ESE of Adak, Alaska · 3308 days ago · 48 km deep · 50 km away
- 1.851 km SSW of Atka, Alaska · 3306 days ago · 29 km deep · 79 km away
- 1.849 km WSW of Atka, Alaska · 3306 days ago · 7 km deep · 91 km away
- 2.380 km SW of Atka, Alaska · 3303 days ago · 13 km deep · 59 km away
- 2.749 km SE of Adak, Alaska · 3302 days ago · 46 km deep · 87 km away
- 1.951 km WSW of Atka, Alaska · 3302 days ago · 111 km deep · 90 km away
- 1.855 km SW of Atka, Alaska · 3301 days ago · 86 km deep · 82 km away
- 2.157 km SE of Adak, Alaska · 3301 days ago · 49 km deep · 79 km away
- 2.567 km SW of Atka, Alaska · 3297 days ago · 27 km deep · 72 km away
- 2.373 km SE of Adak, Alaska · 3296 days ago · 44 km deep · 67 km away
- 2.358 km ESE of Adak, Alaska · 3296 days ago · 45 km deep · 80 km away
- 2.879 km SE of Adak, Alaska · 3295 days ago · 35 km deep · 64 km away
- 1.965 km SE of Adak, Alaska · 3295 days ago · 35 km deep · 72 km away
- 1.545 km WSW of Atka, Alaska · 3293 days ago · 25 km deep · 94 km away
- 2.498 km ESE of Adak, Alaska · 3292 days ago · 38 km deep · 48 km away
- 2.974 km SW of Atka, Alaska · 3291 days ago · 41 km deep · 58 km away
The first 60 of 72.
Before
- 2.6186 km SSW of Atka, Alaska · 3347 days ago · 26 km deep · 68 km away
- 2.484 km SSW of Atka, Alaska · 3347 days ago · 3 km deep · 51 km away
- 1.962 km SW of Atka, Alaska · 3348 days ago · 20 km deep · 72 km away
- 1.642 km SE of Adak, Alaska · 3349 days ago · 38 km deep · 95 km away
- 1.638 km SE of Adak, Alaska · 3349 days ago · 45 km deep · 99 km away
- 3.343 km SE of Adak, Alaska · 3349 days ago · 45 km deep · 94 km away
- 2.2124 km SSW of Atka, Alaska · 3349 days ago · 26 km deep · 7 km away
- 1.7103 km ESE of Adak, Alaska · 3350 days ago · 30 km deep · 41 km away
- 2.3Andreanof Islands, Aleutian Islands, Alaska · 3350 days ago · 7 km deep · 57 km away
- 2.7182 km S of Atka, Alaska · 3351 days ago · 19 km deep · 73 km away
- 2.648 km SW of Atka, Alaska · 3352 days ago · 68 km deep · 87 km away
- 2.0108 km SSW of Atka, Alaska · 3352 days ago · 37 km deep · 34 km away
- 2.156 km SW of Atka, Alaska · 3353 days ago · 73 km deep · 83 km away
- 1.538 km ESE of Adak, Alaska · 3353 days ago · 61 km deep · 98 km away
- 1.653 km SSE of Adak, Alaska · 3354 days ago · 19 km deep · 98 km away
- 1.958 km SSE of Adak, Alaska · 3354 days ago · 21 km deep · 85 km away
- 1.956 km SE of Adak, Alaska · 3354 days ago · 22 km deep · 84 km away
- 1.567 km SSE of Adak, Alaska · 3354 days ago · 19 km deep · 99 km away
- 2.990 km SSE of Adak, Alaska · 3357 days ago · 26 km deep · 86 km away
- 1.9127 km SSW of Atka, Alaska · 3358 days ago · 26 km deep · 6 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a4yf. Read Fri, Oct 2, 2026, 4:33 AM UTC.