Alaska earthquakes

M2.5 earthquake 95 km ENE of Chignik, Alaska

A magnitude 2.5 earthquake struck 95 km ENE of Chignik, Alaska on Sun, Nov 26, 2017, 11:48 PM AKST (08:48 UTC), 79 km (49 mi) below the surface.

A larger quake followed: M3.3 16 km NNE of Chignik Lagoon, 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
2.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-11-27 08:48:47 UTC
Depth
79.0 km (49.1 mi), intermediate-depth
Epicenter
56.572° N, 156.935° 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
2.5ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.5ML, 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
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 51 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 2.333 km SSW of Ugashik, Alaska · 3230 days ago · 112 km deep · 83 km away
  2. 2.296 km W of Akhiok, Alaska · 3229 days ago · 63 km deep · 90 km away
  3. 2.251 km ENE of Port Heiden, Alaska · 3228 days ago · 12 km deep · 80 km away
  4. 2.1132 km ESE of Chignik, Alaska · 3226 days ago · 53 km deep · 77 km away
  5. 1.947 km SSW of Ugashik, Alaska · 3225 days ago · 7 km deep · 72 km away
  6. 2.039 km SSW of Ugashik, Alaska · 3223 days ago · 5 km deep · 76 km away
  7. 2.041 km S of Ugashik, Alaska · 3223 days ago · 6 km deep · 72 km away
  8. 1.889 km W of Akhiok, Alaska · 3222 days ago · 69 km deep · 94 km away
  9. 2.396 km E of Chignik, Alaska · 3221 days ago · 42 km deep · 13 km away
  10. 2.387 km SSE of Ugashik, Alaska · 3220 days ago · 75 km deep · 22 km away
  11. 2.6113 km W of Akhiok, Alaska · 3219 days ago · 70 km deep · 61 km away
  12. 2.189 km ESE of Ugashik, Alaska · 3219 days ago · 67 km deep · 89 km away
  13. 2.052 km SSW of Ugashik, Alaska · 3219 days ago · 18 km deep · 76 km away
  14. 2.1101 km SW of Akhiok, Alaska · 3218 days ago · 66 km deep · 87 km away
  15. 2.134 km ESE of Chignik, Alaska · 3218 days ago · 47 km deep · 68 km away
  16. 2.383 km ESE of Ugashik, Alaska · 3217 days ago · 72 km deep · 77 km away
  17. 2.816 km NNE of Chignik Lagoon, Alaska · 3217 days ago · 8 km deep · 94 km away
  18. 2.6103 km W of Akhiok, Alaska · 3215 days ago · 10 km deep · 78 km away
  19. 2.1120 km SE of Ugashik, Alaska · 3212 days ago · 69 km deep · 47 km away
  20. 1.893 km ESE of Ugashik, Alaska · 3211 days ago · 72 km deep · 92 km away
  21. 2.019 km ENE of Port Heiden, Alaska · 3211 days ago · 17 km deep · 99 km away
  22. 2.353 km SE of Ugashik, Alaska · 3210 days ago · 94 km deep · 64 km away
  23. 2.5114 km SSE of Ugashik, Alaska · 3207 days ago · 79 km deep · 32 km away
  24. 2.5106 km SE of Ugashik, Alaska · 3206 days ago · 13 km deep · 68 km away
  25. 2.591 km SW of Karluk, Alaska · 3205 days ago · 9 km deep · 95 km away
  26. 2.447 km E of Port Heiden, Alaska · 3202 days ago · 8 km deep · 73 km away
  27. 1.846 km ENE of Port Heiden, Alaska · 3199 days ago · 5 km deep · 77 km away
  28. 1.874 km ESE of Ugashik, Alaska · 3198 days ago · 28 km deep · 89 km away
  29. 2.6Alaska Peninsula · 3198 days ago · 60 km deep · 89 km away
  30. 2.5107 km E of Chignik, Alaska · 3198 days ago · 32 km deep · 23 km away
  31. 2.785 km W of Akhiok, Alaska · 3196 days ago · 68 km deep · 99 km away
  32. 2.231 km SE of Port Heiden, Alaska · 3196 days ago · 1 km deep · 85 km away
  33. 2.6120 km SSE of Ugashik, Alaska · 3195 days ago · 64 km deep · 36 km away
  34. 2.5129 km ESE of Chignik, Alaska · 3194 days ago · 66 km deep · 79 km away
  35. 2.361 km ESE of Chignik, Alaska · 3194 days ago · 25 km deep · 72 km away
  36. 2.287 km ENE of Chignik, Alaska · 3191 days ago · 95 km deep · 13 km away
  37. 2.379 km SSE of Ugashik, Alaska · 3190 days ago · 87 km deep · 29 km away
  38. 2.048 km E of Port Heiden, Alaska · 3190 days ago · 103 km deep · 67 km away
  39. 2.460 km ENE of Chignik, Alaska · 3190 days ago · 88 km deep · 38 km away
  40. 2.657 km SE of Ugashik, Alaska · 3188 days ago · 10 km deep · 75 km away
  41. 2.355 km SSW of Ugashik, Alaska · 3184 days ago · 12 km deep · 70 km away
  42. 2.055 km E of Port Heiden, Alaska · 3184 days ago · 6 km deep · 69 km away
  43. 2.511 km ESE of Port Heiden, Alaska · 3183 days ago · 11 km deep · 100 km away
  44. 2.1111 km SSE of Ugashik, Alaska · 3181 days ago · 20 km deep · 33 km away
  45. 3.316 km NNE of Chignik Lagoon, Alaska · 3180 days ago · 91 km deep · 95 km away
  46. 2.3120 km ESE of Chignik, Alaska · 3179 days ago · 17 km deep · 72 km away
  47. 2.347 km S of Ugashik, Alaska · 3176 days ago · 3 km deep · 65 km away
  48. 2.898 km ENE of Chignik, Alaska · 3175 days ago · 47 km deep · 7 km away · felt by 1
  49. 2.346 km SSW of Ugashik, Alaska · 3173 days ago · 15 km deep · 71 km away
  50. 2.3120 km ENE of Chignik, Alaska · 3173 days ago · 74 km deep · 27 km away
  51. 2.476 km ESE of Ugashik, Alaska · 3172 days ago · 77 km deep · 84 km away

Before

  1. 3.087 km SE of Chignik, Alaska · 3234 days ago · 10 km deep · 92 km away
  2. 2.0119 km SE of Ugashik, Alaska · 3236 days ago · 11 km deep · 42 km away
  3. 2.277 km E of Chignik, Alaska · 3236 days ago · 38 km deep · 27 km away
  4. 4.250 km E of Port Heiden, Alaska · 3241 days ago · 13 km deep · 70 km away · felt by 1
  5. 1.7104 km W of Akhiok, Alaska · 3242 days ago · 70 km deep · 78 km away
  6. 2.051 km S of Ugashik, Alaska · 3243 days ago · 7 km deep · 66 km away
  7. 1.991 km ENE of Chignik, Alaska · 3249 days ago · 69 km deep · 5 km away
  8. 1.758 km E of Port Heiden, Alaska · 3249 days ago · 15 km deep · 63 km away
  9. 2.360 km E of Port Heiden, Alaska · 3252 days ago · 4 km deep · 62 km away
  10. 2.723 km E of Chignik, Alaska · 3254 days ago · 63 km deep · 76 km away
  11. 1.894 km WSW of Karluk, Alaska · 3254 days ago · 68 km deep · 93 km away
  12. 1.639 km S of Ugashik, Alaska · 3257 days ago · 5 km deep · 72 km away
  13. 2.170 km SE of Chignik, Alaska · 3257 days ago · 16 km deep · 85 km away
  14. 2.315 km N of Chignik, Alaska · 3261 days ago · 93 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017f7jxqcb (also filed as ak17393060, us1000bk59). Read Fri, Oct 2, 2026, 1:31 PM UTC.