Alaska earthquakes

M2.2 earthquake 77 km E of Chignik, Alaska

A magnitude 2.2 earthquake struck 77 km E of Chignik, Alaska on Tue, Nov 21, 2017, 11:52 PM AKST (08:52 UTC), 38 km (23 mi) below the surface.

A larger quake followed: M4.4 158 km ESE of Chignik, Alaska. This one was a foreshock.

Sand Point forecastMore 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
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-11-22 08:52:26 UTC
Depth
37.6 km (23.4 mi), shallow
Epicenter
56.366° N, 157.165° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.2ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.2ML, local (Richter)USGS National Earthquake Information CenterReviewed

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
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 39 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.0119 km SE of Ugashik, Alaska · 3238 days ago · 11 km deep · 63 km away
  2. 3.087 km SE of Chignik, Alaska · 3236 days ago · 10 km deep · 67 km away
  3. 2.595 km ENE of Chignik, Alaska · 3233 days ago · 79 km deep · 27 km away
  4. 2.333 km SSW of Ugashik, Alaska · 3232 days ago · 112 km deep · 99 km away
  5. 2.251 km ENE of Port Heiden, Alaska · 3230 days ago · 12 km deep · 91 km away
  6. 1.926 km S of Port Heiden, Alaska · 3229 days ago · 12 km deep · 96 km away
  7. 2.250 km S of Chignik, Alaska · 3228 days ago · 49 km deep · 93 km away
  8. 2.1132 km ESE of Chignik, Alaska · 3228 days ago · 53 km deep · 68 km away
  9. 1.947 km SSW of Ugashik, Alaska · 3228 days ago · 7 km deep · 86 km away
  10. 4.4158 km ESE of Chignik, Alaska · 3226 days ago · 56 km deep · 94 km away
  11. 2.039 km SSW of Ugashik, Alaska · 3226 days ago · 5 km deep · 92 km away
  12. 2.041 km S of Ugashik, Alaska · 3225 days ago · 6 km deep · 89 km away
  13. 2.396 km E of Chignik, Alaska · 3223 days ago · 42 km deep · 21 km away
  14. 2.387 km SSE of Ugashik, Alaska · 3222 days ago · 75 km deep · 47 km away
  15. 2.6113 km W of Akhiok, Alaska · 3222 days ago · 70 km deep · 84 km away
  16. 2.052 km SSW of Ugashik, Alaska · 3221 days ago · 18 km deep · 88 km away
  17. 2.134 km ESE of Chignik, Alaska · 3220 days ago · 47 km deep · 45 km away
  18. 2.816 km NNE of Chignik Lagoon, Alaska · 3219 days ago · 8 km deep · 80 km away
  19. 2.1120 km SE of Ugashik, Alaska · 3214 days ago · 69 km deep · 68 km away
  20. 2.353 km SE of Ugashik, Alaska · 3212 days ago · 94 km deep · 89 km away
  21. 2.5114 km SSE of Ugashik, Alaska · 3209 days ago · 79 km deep · 54 km away
  22. 2.5106 km SE of Ugashik, Alaska · 3208 days ago · 13 km deep · 93 km away
  23. 2.447 km E of Port Heiden, Alaska · 3205 days ago · 8 km deep · 81 km away
  24. 1.846 km ENE of Port Heiden, Alaska · 3201 days ago · 5 km deep · 86 km away
  25. 2.5107 km E of Chignik, Alaska · 3200 days ago · 32 km deep · 31 km away
  26. 2.231 km SE of Port Heiden, Alaska · 3198 days ago · 1 km deep · 80 km away
  27. 2.6120 km SSE of Ugashik, Alaska · 3197 days ago · 64 km deep · 56 km away
  28. 2.5129 km ESE of Chignik, Alaska · 3196 days ago · 66 km deep · 67 km away
  29. 2.361 km ESE of Chignik, Alaska · 3196 days ago · 25 km deep · 45 km away
  30. 2.287 km ENE of Chignik, Alaska · 3193 days ago · 95 km deep · 30 km away
  31. 2.379 km SSE of Ugashik, Alaska · 3193 days ago · 87 km deep · 53 km away
  32. 2.048 km E of Port Heiden, Alaska · 3192 days ago · 103 km deep · 73 km away
  33. 2.460 km ENE of Chignik, Alaska · 3192 days ago · 88 km deep · 33 km away
  34. 2.355 km SSW of Ugashik, Alaska · 3186 days ago · 12 km deep · 82 km away
  35. 2.055 km E of Port Heiden, Alaska · 3186 days ago · 6 km deep · 80 km away
  36. 2.511 km ESE of Port Heiden, Alaska · 3185 days ago · 11 km deep · 100 km away
  37. 2.1111 km SSE of Ugashik, Alaska · 3183 days ago · 20 km deep · 56 km away
  38. 3.316 km NNE of Chignik Lagoon, Alaska · 3182 days ago · 91 km deep · 81 km away
  39. 2.3120 km ESE of Chignik, Alaska · 3181 days ago · 17 km deep · 59 km away

Before

  1. 2.753 km S of Chignik, Alaska · 3239 days ago · 49 km deep · 92 km away
  2. 4.250 km E of Port Heiden, Alaska · 3243 days ago · 13 km deep · 79 km away · felt by 1
  3. 2.051 km S of Ugashik, Alaska · 3245 days ago · 7 km deep · 81 km away
  4. 1.991 km ENE of Chignik, Alaska · 3251 days ago · 69 km deep · 26 km away
  5. 1.758 km E of Port Heiden, Alaska · 3252 days ago · 15 km deep · 74 km away
  6. 2.360 km E of Port Heiden, Alaska · 3254 days ago · 4 km deep · 74 km away
  7. 2.723 km E of Chignik, Alaska · 3256 days ago · 63 km deep · 54 km away
  8. 1.639 km S of Ugashik, Alaska · 3259 days ago · 5 km deep · 90 km away
  9. 2.170 km SE of Chignik, Alaska · 3259 days ago · 16 km deep · 58 km away
  10. 2.315 km N of Chignik, Alaska · 3263 days ago · 93 km deep · 74 km away
  11. 2.245 km SSE of Ugashik, Alaska · 3265 days ago · 90 km deep · 86 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017eza9t3i (also filed as ak17393968, us2000bv1s). Read Sun, Oct 4, 2026, 4:46 PM UTC.