Alaska earthquakes

M1.8 earthquake 23 km S of Old Harbor, Alaska

A magnitude 1.8 earthquake struck 23 km S of Old Harbor, Alaska on Sat, Dec 16, 2017, 4:35 PM AKST (01:35 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.0 24 km SW of Akhiok, Alaska. This one was a foreshock.

Womens Bay forecastMore in Alaska

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
2017-12-17 01:35:29 UTC
Depth
14.8 km (9.2 mi), shallow
Epicenter
56.993° N, 153.250° 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
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.510 km S of Port Lions, Alaska · 3212 days ago · 33 km deep · 89 km away
  2. 4.024 km SW of Akhiok, Alaska · 3204 days ago · 44 km deep · 77 km away · tsunami flag
  3. 2.123 km SW of Akhiok, Alaska · 3204 days ago · 45 km deep · 75 km away
  4. 1.714 km WSW of Larsen Bay, Alaska · 3202 days ago · 46 km deep · 81 km away
  5. 1.518 km WSW of Akhiok, Alaska · 3202 days ago · 10 km deep · 74 km away
  6. 1.517 km SW of Karluk, Alaska · 3201 days ago · 52 km deep · 98 km away
  7. 1.535 km NNE of Larsen Bay, Alaska · 3200 days ago · 39 km deep · 98 km away
  8. 1.726 km N of Larsen Bay, Alaska · 3196 days ago · 59 km deep · 97 km away
  9. 1.826 km SW of Larsen Bay, Alaska · 3195 days ago · 34 km deep · 71 km away
  10. 1.818 km NNW of Akhiok, Alaska · 3195 days ago · 5 km deep · 62 km away
  11. 1.634 km ESE of Old Harbor, Alaska · 3194 days ago · 4 km deep · 32 km away
  12. 2.053 km SSE of Akhiok, Alaska · 3191 days ago · 13 km deep · 60 km away
  13. 1.813 km S of Chiniak, Alaska · 3191 days ago · 32 km deep · 79 km away
  14. 1.638 km S of Old Harbor, Alaska · 3189 days ago · 15 km deep · 15 km away
  15. 1.629 km WNW of Akhiok, Alaska · 3189 days ago · 10 km deep · 84 km away
  16. 2.527 km SW of Akhiok, Alaska · 3188 days ago · 56 km deep · 80 km away
  17. 1.617 km NNW of Larsen Bay, Alaska · 3185 days ago · 24 km deep · 93 km away
  18. 2.579 km SSE of Akhiok, Alaska · 3184 days ago · 30 km deep · 72 km away
  19. 2.461 km SSE of Akhiok, Alaska · 3184 days ago · 70 km deep · 79 km away
  20. 1.536 km SSE of Old Harbor, Alaska · 3179 days ago · 15 km deep · 13 km away
  21. 2.490 km SE of Old Harbor, Alaska · 3176 days ago · 3 km deep · 72 km away
  22. 1.88 km NE of Karluk, Alaska · 3176 days ago · 52 km deep · 95 km away
  23. 1.929 km S of Larsen Bay, Alaska · 3176 days ago · 37 km deep · 51 km away
  24. 2.016 km NW of Larsen Bay, Alaska · 3175 days ago · 46 km deep · 92 km away
  25. 2.136 km N of Old Harbor, Alaska · 3173 days ago · 56 km deep · 60 km away
  26. 3.05 km SSE of Port Lions, Alaska · 3166 days ago · 43 km deep · 95 km away
  27. 2.044 km SSW of Karluk, Alaska · 3166 days ago · 51 km deep · 95 km away
  28. 3.553 km SE of Old Harbor, Alaska · 3166 days ago · 15 km deep · 38 km away
  29. 2.819 km NW of Old Harbor, Alaska · 3162 days ago · 39 km deep · 41 km away
  30. 2.144 km SSW of Akhiok, Alaska · 3160 days ago · 41 km deep · 87 km away
  31. 1.636 km NE of Larsen Bay, Alaska · 3153 days ago · 44 km deep · 85 km away

Before

  1. 1.958 km S of Old Harbor, Alaska · 3212 days ago · 20 km deep · 35 km away
  2. 1.831 km SE of Akhiok, Alaska · 3212 days ago · 25 km deep · 39 km away
  3. 2.8115 km SE of Old Harbor, Alaska · 3214 days ago · 20 km deep · 96 km away
  4. 1.848 km S of Old Harbor, Alaska · 3214 days ago · 2 km deep · 25 km away
  5. 1.930 km NNW of Akhiok, Alaska · 3216 days ago · 45 km deep · 70 km away
  6. 1.712 km W of Larsen Bay, Alaska · 3216 days ago · 52 km deep · 84 km away
  7. 2.329 km SW of Womens Bay, Alaska · 3221 days ago · 51 km deep · 60 km away
  8. 3.334 km SSE of Old Harbor, Alaska · 3222 days ago · 14 km deep · 12 km away · felt by 1
  9. 1.637 km ESE of Akhiok, Alaska · 3226 days ago · 14 km deep · 23 km away
  10. 2.132 km W of Womens Bay, Alaska · 3226 days ago · 55 km deep · 71 km away
  11. 2.440 km WNW of Akhiok, Alaska · 3228 days ago · 8 km deep · 93 km away
  12. 1.726 km N of Larsen Bay, Alaska · 3228 days ago · 45 km deep · 97 km away
  13. 2.136 km N of Old Harbor, Alaska · 3233 days ago · 34 km deep · 60 km away
  14. 2.14 km SSE of Port Lions, Alaska · 3234 days ago · 44 km deep · 96 km away
  15. 1.712 km ESE of Larsen Bay, Alaska · 3240 days ago · 29 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017g4ift95 (also filed as ak17636219). Read Sat, Oct 3, 2026, 1:12 AM UTC.