M2.8 earthquake 88 km SE of Atka, Alaska
A magnitude 2.8 earthquake struck 88 km SE of Atka, Alaska on Sat, Apr 22, 2017, 7:20 PM HADT (04:20 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M5.4 71 km SE of Atka, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.8 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2017-04-23 04:20:58 UTC
- Depth
- 26.2 km (16.3 mi), shallow
- Epicenter
- 51.594° N, 173.372° 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
- 17
Nearby
Within 100 km, magnitude 1.5 and up: 39 in the 60 days after this one and 16 in the 30 days before it.
After
- 2.273 km ESE of Atka, Alaska · 3449 days ago · 53 km deep · 30 km away
- 3.067 km ENE of Atka, Alaska · 3444 days ago · 13 km deep · 88 km away
- 2.735 km NE of Atka, Alaska · 3442 days ago · 149 km deep · 98 km away
- 2.667 km ENE of Atka, Alaska · 3441 days ago · 101 km deep · 91 km away
- 3.366 km S of Atka, Alaska · 3436 days ago · 24 km deep · 62 km away
- 2.117 km ESE of Atka, Alaska · 3428 days ago · 22 km deep · 72 km away
- 4.845 km ENE of Atka, Alaska · 3427 days ago · 10 km deep · 79 km away
- 3.546 km NE of Atka, Alaska · 3427 days ago · 4 km deep · 97 km away
- 1.743 km E of Atka, Alaska · 3427 days ago · 6 km deep · 77 km away
- 2.644 km E of Atka, Alaska · 3427 days ago · 5 km deep · 75 km away
- 2.539 km E of Atka, Alaska · 3427 days ago · 5 km deep · 75 km away
- 3.544 km ENE of Atka, Alaska · 3427 days ago · 6 km deep · 79 km away
- 2.378 km SSW of Atka, Alaska · 3423 days ago · 4 km deep · 87 km away
- 2.9Andreanof Islands, Aleutian Islands, Alaska · 3418 days ago · 5 km deep · 68 km away
- 3.048 km NE of Atka, Alaska · 3417 days ago · 123 km deep · 99 km away
- 2.6102 km S of Atka, Alaska · 3416 days ago · 15 km deep · 58 km away
- 2.999 km S of Atka, Alaska · 3416 days ago · 15 km deep · 57 km away
- 3.262 km SSE of Atka, Alaska · 3413 days ago · 35 km deep · 30 km away
- 3.162 km SSE of Atka, Alaska · 3411 days ago · 35 km deep · 29 km away
- 1.642 km SW of Atka, Alaska · 3411 days ago · 60 km deep · 96 km away
- 3.3143 km SE of Atka, Alaska · 3408 days ago · 37 km deep · 60 km away
- 3.7120 km ESE of Atka, Alaska · 3407 days ago · 31 km deep · 56 km away
- 3.4133 km SSE of Atka, Alaska · 3407 days ago · 10 km deep · 54 km away
- 3.3102 km S of Atka, Alaska · 3405 days ago · 17 km deep · 58 km away
- 2.6120 km S of Atka, Alaska · 3404 days ago · 37 km deep · 96 km away
- 3.153 km SW of Atka, Alaska · 3404 days ago · 51 km deep · 96 km away
- 2.238 km ESE of Atka, Alaska · 3402 days ago · 9 km deep · 59 km away
- 3.699 km ESE of Atka, Alaska · 3398 days ago · 35 km deep · 42 km away
- 2.483 km SE of Atka, Alaska · 3396 days ago · 58 km deep · 21 km away
- 5.471 km SE of Atka, Alaska · 3395 days ago · 29 km deep · 21 km away · felt by 1
- 2.676 km SE of Atka, Alaska · 3395 days ago · 22 km deep · 13 km away
- 2.472 km SSE of Atka, Alaska · 3395 days ago · 19 km deep · 25 km away
- 2.671 km SSE of Atka, Alaska · 3395 days ago · 20 km deep · 21 km away
- 4.075 km SE of Atka, Alaska · 3394 days ago · 10 km deep · 14 km away
- 3.489 km SE of Atka, Alaska · 3394 days ago · 37 km deep · 4 km away
- 3.665 km SE of Atka, Alaska · 3394 days ago · 57 km deep · 23 km away
- 2.7118 km E of Atka, Alaska · 3394 days ago · 65 km deep · 77 km away
- 3.268 km ENE of Atka, Alaska · 3392 days ago · 143 km deep · 91 km away
- 1.9106 km SSW of Atka, Alaska · 3391 days ago · 26 km deep · 87 km away
Before
- 2.947 km SW of Atka, Alaska · 3450 days ago · 46 km deep · 95 km away
- 2.639 km SW of Atka, Alaska · 3451 days ago · 28 km deep · 95 km away
- 3.364 km ESE of Atka, Alaska · 3451 days ago · 53 km deep · 44 km away
- 2.998 km SSE of Atka, Alaska · 3453 days ago · 20 km deep · 30 km away
- 1.846 km SE of Atka, Alaska · 3455 days ago · 83 km deep · 42 km away
- 2.539 km SW of Atka, Alaska · 3460 days ago · 8 km deep · 90 km away
- 3.9120 km SSE of Atka, Alaska · 3464 days ago · 10 km deep · 40 km away
- 2.8102 km SE of Atka, Alaska · 3467 days ago · 17 km deep · 15 km away
- 2.7113 km SE of Atka, Alaska · 3467 days ago · 9 km deep · 26 km away
- 4.0165 km SE of Atka, Alaska · 3468 days ago · 10 km deep · 78 km away
- 3.263 km SE of Atka, Alaska · 3468 days ago · 41 km deep · 25 km away
- 1.945 km ESE of Atka, Alaska · 3468 days ago · 1 km deep · 55 km away
- 2.371 km E of Atka, Alaska · 3469 days ago · 5 km deep · 79 km away
- 3.7113 km ESE of Atka, Alaska · 3469 days ago · 41 km deep · 58 km away
- 1.940 km SSW of Atka, Alaska · 3470 days ago · 38 km deep · 72 km away
- 2.167 km SSE of Atka, Alaska · 3471 days ago · 46 km deep · 31 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak01756y8d2u (also filed as ak15799703). Read Fri, Oct 2, 2026, 4:08 PM UTC.