Alaska earthquakes

M1.8 earthquake 46 km ENE of Port Heiden, Alaska

A magnitude 1.8 earthquake struck 46 km ENE of Port Heiden, Alaska on Fri, Dec 29, 2017, 5:39 AM AKST (14:39 UTC), 5 km (3 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-12-29 14:39:53 UTC
Depth
4.9 km (3.0 mi), shallow
Epicenter
57.037° N, 157.878° 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
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.5107 km E of Chignik, Alaska · 3198 days ago · 32 km deep · 100 km away
  2. 2.231 km SE of Port Heiden, Alaska · 3196 days ago · 1 km deep · 43 km away
  3. 2.287 km ENE of Chignik, Alaska · 3191 days ago · 95 km deep · 65 km away
  4. 2.379 km SSE of Ugashik, Alaska · 3191 days ago · 87 km deep · 59 km away
  5. 2.048 km E of Port Heiden, Alaska · 3190 days ago · 103 km deep · 14 km away
  6. 2.460 km ENE of Chignik, Alaska · 3190 days ago · 88 km deep · 55 km away
  7. 2.19 km ESE of Port Heiden, Alaska · 3190 days ago · 2 km deep · 38 km away
  8. 1.84 km S of Port Heiden, Alaska · 3188 days ago · -3 km deep · 48 km away
  9. 2.657 km SE of Ugashik, Alaska · 3188 days ago · 10 km deep · 79 km away
  10. 2.355 km SSW of Ugashik, Alaska · 3185 days ago · 12 km deep · 11 km away
  11. 2.055 km E of Port Heiden, Alaska · 3185 days ago · 6 km deep · 9 km away
  12. 2.511 km ESE of Port Heiden, Alaska · 3183 days ago · 11 km deep · 36 km away
  13. 2.65 km N of Port Heiden, Alaska · 3183 days ago · 3 km deep · 46 km away
  14. 2.1111 km SSE of Ugashik, Alaska · 3181 days ago · 20 km deep · 98 km away
  15. 3.316 km NNE of Chignik Lagoon, Alaska · 3181 days ago · 91 km deep · 75 km away
  16. 2.8Alaska Peninsula · 3177 days ago · 99 km deep · 99 km away
  17. 2.347 km S of Ugashik, Alaska · 3176 days ago · 3 km deep · 27 km away
  18. 2.898 km ENE of Chignik, Alaska · 3176 days ago · 47 km deep · 73 km away · felt by 1
  19. 2.346 km SSW of Ugashik, Alaska · 3173 days ago · 15 km deep · 21 km away
  20. 2.061 km E of Port Heiden, Alaska · 3171 days ago · 6 km deep · 17 km away
  21. 2.723 km ESE of Ugashik, Alaska · 3170 days ago · 107 km deep · 65 km away
  22. 2.188 km E of Chignik, Alaska · 3169 days ago · 27 km deep · 88 km away
  23. 2.032 km SSW of Ugashik, Alaska · 3167 days ago · 1 km deep · 28 km away
  24. 2.689 km E of Chignik, Alaska · 3167 days ago · 43 km deep · 91 km away
  25. 2.450 km S of Ugashik, Alaska · 3166 days ago · 1 km deep · 26 km away
  26. 2.47 km E of Port Heiden, Alaska · 3165 days ago · 16 km deep · 40 km away
  27. 2.39 km E of Port Heiden, Alaska · 3165 days ago · 16 km deep · 37 km away
  28. 3.13 km N of Port Heiden, Alaska · 3165 days ago · 11 km deep · 46 km away · felt by 1
  29. 2.271 km ESE of Ugashik, Alaska · 3160 days ago · 80 km deep · 96 km away
  30. 1.97 km ESE of Port Heiden, Alaska · 3160 days ago · 15 km deep · 40 km away
  31. 2.080 km E of Chignik, Alaska · 3158 days ago · 56 km deep · 86 km away
  32. 2.1Alaska Peninsula · 3147 days ago · 10 km deep · 16 km away
  33. 2.160 km SSW of Ugashik, Alaska · 3145 days ago · 7 km deep · 18 km away
  34. 2.772 km E of Chignik, Alaska · 3140 days ago · 46 km deep · 85 km away

Before

  1. 1.83 km E of Port Heiden, Alaska · 3202 days ago · 2 km deep · 43 km away
  2. 1.90 km WSW of Port Heiden, Alaska · 3202 days ago · 2 km deep · 47 km away
  3. 2.447 km E of Port Heiden, Alaska · 3203 days ago · 8 km deep · 5 km away
  4. 2.5114 km SSE of Ugashik, Alaska · 3207 days ago · 79 km deep · 99 km away
  5. 2.353 km SE of Ugashik, Alaska · 3210 days ago · 94 km deep · 64 km away
  6. 2.019 km ENE of Port Heiden, Alaska · 3211 days ago · 17 km deep · 28 km away
  7. 2.860 km NNW of Port Heiden, Alaska · 3212 days ago · 228 km deep · 87 km away
  8. 2.816 km NNE of Chignik Lagoon, Alaska · 3217 days ago · 8 km deep · 74 km away
  9. 2.134 km ESE of Chignik, Alaska · 3218 days ago · 47 km deep · 90 km away
  10. 2.052 km SSW of Ugashik, Alaska · 3219 days ago · 18 km deep · 9 km away
  11. 3.628 km N of Pilot Point, Alaska · 3220 days ago · 181 km deep · 89 km away
  12. 2.387 km SSE of Ugashik, Alaska · 3220 days ago · 75 km deep · 64 km away
  13. 2.396 km E of Chignik, Alaska · 3221 days ago · 42 km deep · 88 km away
  14. 2.041 km S of Ugashik, Alaska · 3223 days ago · 6 km deep · 27 km away
  15. 2.039 km SSW of Ugashik, Alaska · 3224 days ago · 5 km deep · 26 km away
  16. 1.947 km SSW of Ugashik, Alaska · 3226 days ago · 7 km deep · 18 km away
  17. 1.926 km S of Port Heiden, Alaska · 3228 days ago · 12 km deep · 58 km away
  18. 2.251 km ENE of Port Heiden, Alaska · 3228 days ago · 12 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017goknitg (also filed as ak17889331). Read Fri, Oct 2, 2026, 10:26 PM UTC.