Alaska earthquakes

M2.5 earthquake 93 km ENE of Atka, Alaska

A magnitude 2.5 earthquake struck 93 km ENE of Atka, Alaska on Sun, Apr 23, 2017, 9:26 AM HADT (18:26 UTC), 118 km (73 mi) below the surface.

A larger quake followed: M5.4 71 km SE of Atka, Alaska. This one was a foreshock.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
2.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-04-23 18:26:04 UTC
Depth
117.6 km (73.1 mi), intermediate-depth
Epicenter
52.489° N, 172.907° 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: 25 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.273 km ESE of Atka, Alaska · 3449 days ago · 53 km deep · 75 km away
  2. 3.067 km ENE of Atka, Alaska · 3445 days ago · 13 km deep · 27 km away
  3. 2.735 km NE of Atka, Alaska · 3442 days ago · 149 km deep · 64 km away
  4. 2.667 km ENE of Atka, Alaska · 3441 days ago · 101 km deep · 27 km away
  5. 2.9165 km E of Atka, Alaska · 3438 days ago · 87 km deep · 82 km away
  6. 2.117 km ESE of Atka, Alaska · 3428 days ago · 22 km deep · 83 km away
  7. 4.845 km ENE of Atka, Alaska · 3427 days ago · 10 km deep · 49 km away
  8. 3.546 km NE of Atka, Alaska · 3427 days ago · 4 km deep · 51 km away
  9. 1.743 km E of Atka, Alaska · 3427 days ago · 6 km deep · 51 km away
  10. 2.644 km E of Atka, Alaska · 3427 days ago · 5 km deep · 51 km away
  11. 2.539 km E of Atka, Alaska · 3427 days ago · 5 km deep · 56 km away
  12. 1.945 km NE of Atka, Alaska · 3427 days ago · 5 km deep · 55 km away
  13. 3.544 km ENE of Atka, Alaska · 3427 days ago · 6 km deep · 50 km away
  14. 2.629 km NNW of Atka, Alaska · 3420 days ago · 166 km deep · 98 km away
  15. 3.048 km NE of Atka, Alaska · 3417 days ago · 123 km deep · 50 km away
  16. 3.3184 km ENE of Atka, Alaska · 3414 days ago · 184 km deep · 90 km away
  17. 3.7120 km ESE of Atka, Alaska · 3407 days ago · 31 km deep · 84 km away
  18. 2.238 km ESE of Atka, Alaska · 3402 days ago · 9 km deep · 68 km away
  19. 3.699 km ESE of Atka, Alaska · 3398 days ago · 35 km deep · 74 km away
  20. 2.483 km SE of Atka, Alaska · 3396 days ago · 58 km deep · 84 km away
  21. 5.471 km SE of Atka, Alaska · 3395 days ago · 29 km deep · 85 km away · felt by 1
  22. 3.665 km SE of Atka, Alaska · 3395 days ago · 57 km deep · 93 km away
  23. 2.7118 km E of Atka, Alaska · 3394 days ago · 65 km deep · 59 km away
  24. 3.268 km ENE of Atka, Alaska · 3392 days ago · 143 km deep · 25 km away
  25. 4.550 km NNE of Atka, Alaska · 3392 days ago · 191 km deep · 66 km away

Before

  1. 3.364 km ESE of Atka, Alaska · 3452 days ago · 53 km deep · 62 km away
  2. 1.846 km SE of Atka, Alaska · 3455 days ago · 83 km deep · 83 km away
  3. 3.5183 km E of Atka, Alaska · 3455 days ago · 76 km deep · 91 km away
  4. 2.220 km N of Atka, Alaska · 3456 days ago · 181 km deep · 86 km away
  5. 3.263 km SE of Atka, Alaska · 3468 days ago · 41 km deep · 89 km away
  6. 1.945 km ESE of Atka, Alaska · 3468 days ago · 1 km deep · 64 km away
  7. 2.371 km E of Atka, Alaska · 3469 days ago · 5 km deep · 28 km away
  8. 3.7113 km ESE of Atka, Alaska · 3469 days ago · 41 km deep · 73 km away
  9. 3.925 km NNW of Atka, Alaska · 3477 days ago · 222 km deep · 97 km away
  10. 3.9104 km NE of Atka, Alaska · 3478 days ago · 184 km deep · 39 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017576llm8 (also filed as ak15827026, us10008lue). Read Fri, Oct 2, 2026, 6:16 PM UTC.