Alaska earthquakes

M2.3 earthquake 52 km SE of Chignik, Alaska

A magnitude 2.3 earthquake struck 52 km SE of Chignik, Alaska on Tue, Feb 21, 2017, 8:07 AM AKST (17:07 UTC), 42 km (26 mi) below the surface.

A larger quake followed: M4.9 120 km SE of Perryville, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-02-21 17:07:55 UTC
Depth
42.1 km (26.2 mi), shallow
Epicenter
55.925° N, 157.867° 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

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 2.761 km SSE of Perryville, Alaska · 3512 days ago · 3 km deep · 70 km away
  2. 1.857 km E of Chignik, Alaska · 3511 days ago · 52 km deep · 57 km away
  3. 2.028 km S of Chignik, Alaska · 3511 days ago · 63 km deep · 36 km away
  4. 2.129 km SE of Perryville, Alaska · 3509 days ago · 61 km deep · 59 km away
  5. 1.679 km ENE of Chignik, Alaska · 3507 days ago · 64 km deep · 77 km away
  6. 4.9120 km SE of Perryville, Alaska · 3506 days ago · 37 km deep · 81 km away
  7. 2.231 km E of Chignik, Alaska · 3498 days ago · 66 km deep · 42 km away
  8. 2.449 km SE of Chignik, Alaska · 3496 days ago · 43 km deep · 4 km away
  9. 3.034 km SSE of Perryville, Alaska · 3496 days ago · 55 km deep · 77 km away
  10. 1.955 km ESE of Chignik, Alaska · 3494 days ago · 38 km deep · 22 km away
  11. 2.25 km ESE of Ivanof Bay, Alaska · 3493 days ago · 93 km deep · 97 km away
  12. 2.171 km SE of Chignik, Alaska · 3493 days ago · 1 km deep · 19 km away
  13. 2.449 km SE of Perryville, Alaska · 3487 days ago · 40 km deep · 53 km away
  14. 4.148 km SE of Port Heiden, Alaska · 3487 days ago · 87 km deep · 85 km away
  15. 2.457 km ESE of Chignik, Alaska · 3486 days ago · 39 km deep · 36 km away
  16. 2.549 km SE of Port Heiden, Alaska · 3477 days ago · 89 km deep · 84 km away
  17. 2.363 km SE of Chignik, Alaska · 3476 days ago · 63 km deep · 11 km away
  18. 2.026 km S of Chignik, Alaska · 3470 days ago · 58 km deep · 40 km away
  19. 2.129 km SE of Port Heiden, Alaska · 3470 days ago · 119 km deep · 98 km away
  20. 2.299 km SSE of Chignik, Alaska · 3467 days ago · 10 km deep · 48 km away
  21. 2.266 km SE of Perryville, Alaska · 3462 days ago · 15 km deep · 59 km away
  22. 2.621 km SE of Chignik, Alaska · 3460 days ago · 68 km deep · 32 km away
  23. 2.118 km E of Perryville, Alaska · 3459 days ago · 63 km deep · 61 km away
  24. 2.0130 km E of Chignik, Alaska · 3459 days ago · 25 km deep · 98 km away
  25. 1.935 km S of Port Heiden, Alaska · 3457 days ago · 16 km deep · 91 km away
  26. 1.885 km E of Chignik, Alaska · 3456 days ago · 39 km deep · 72 km away
  27. 2.485 km ESE of Perryville, Alaska · 3456 days ago · 12 km deep · 40 km away
  28. 2.222 km E of Chignik, Alaska · 3454 days ago · 1 km deep · 40 km away
  29. 2.388 km ENE of Chignik, Alaska · 3452 days ago · 60 km deep · 92 km away

Before

  1. 2.257 km E of Chignik, Alaska · 3512 days ago · 59 km deep · 49 km away
  2. 2.666 km SE of Perryville, Alaska · 3513 days ago · 15 km deep · 67 km away
  3. 2.4114 km E of Chignik, Alaska · 3513 days ago · 22 km deep · 91 km away
  4. 1.635 km S of Perryville, Alaska · 3515 days ago · 49 km deep · 87 km away
  5. 2.544 km ESE of Perryville, Alaska · 3517 days ago · 49 km deep · 38 km away
  6. 2.861 km E of Chignik, Alaska · 3518 days ago · 52 km deep · 44 km away
  7. 1.662 km ESE of Perryville, Alaska · 3519 days ago · 15 km deep · 40 km away
  8. 2.259 km ESE of Chignik, Alaska · 3519 days ago · 46 km deep · 31 km away
  9. 4.468 km SSE of Perryville, Alaska · 3521 days ago · 26 km deep · 91 km away
  10. 2.995 km ESE of Chignik, Alaska · 3522 days ago · 26 km deep · 58 km away
  11. 2.354 km SE of Perryville, Alaska · 3523 days ago · 38 km deep · 61 km away
  12. 2.711 km NW of Chignik Lake, Alaska · 3523 days ago · 5 km deep · 78 km away
  13. 2.4106 km SE of Perryville, Alaska · 3527 days ago · 26 km deep · 65 km away
  14. 1.9115 km E of Chignik, Alaska · 3531 days ago · 42 km deep · 96 km away
  15. 2.092 km E of Chignik, Alaska · 3532 days ago · 77 km deep · 78 km away
  16. 2.646 km ESE of Chignik, Alaska · 3533 days ago · 50 km deep · 26 km away
  17. 2.527 km E of Perryville, Alaska · 3535 days ago · 3 km deep · 52 km away
  18. 2.668 km SSE of Chignik, Alaska · 3537 days ago · 38 km deep · 24 km away
  19. 2.323 km E of Perryville, Alaska · 3539 days ago · 59 km deep · 56 km away
  20. 2.172 km ESE of Chignik, Alaska · 3540 days ago · 24 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0172ea41af (also filed as ak15419677). Read Sun, Oct 4, 2026, 4:51 PM UTC.