Alaska earthquakes

M2.7 earthquake 167 km SSE of Old Harbor, Alaska

A magnitude 2.7 earthquake struck 167 km SSE of Old Harbor, Alaska on Sun, Feb 18, 2018, 9:03 AM AKST (18:03 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.6 105 km SSE of Akhiok, 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
2.7 (ml), micro
Local time
UTC
2018-02-18 18:03:47 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
55.904° N, 151.945° 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.

Location uncertainty
About 7.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
226°, poorly surrounded by stations
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 56 in the 30 days before it.

After

  1. 2.7164 km SSE of Chiniak, Alaska · 3143 days ago · 10 km deep · 87 km away
  2. 2.7172 km SSE of Old Harbor, Alaska · 3142 days ago · 5 km deep · 11 km away
  3. 2.7183 km SSE of Chiniak, Alaska · 3142 days ago · 12 km deep · 84 km away
  4. 2.5164 km SE of Old Harbor, Alaska · 3142 days ago · 6 km deep · 13 km away
  5. 3.2167 km SSE of Old Harbor, Alaska · 3135 days ago · 5 km deep · 4 km away
  6. 3.4196 km SSE of Old Harbor, Alaska · 3134 days ago · 5 km deep · 32 km away
  7. 2.5201 km SE of Old Harbor, Alaska · 3120 days ago · 6 km deep · 49 km away
  8. 2.7137 km SSE of Old Harbor, Alaska · 3118 days ago · 11 km deep · 32 km away
  9. 3.1215 km SSE of Chiniak, Alaska · 3115 days ago · 5 km deep · 79 km away
  10. 3.2220 km SSE of Chiniak, Alaska · 3114 days ago · 5 km deep · 95 km away
  11. 3.8241 km SE of Old Harbor, Alaska · 3113 days ago · 10 km deep · 83 km away
  12. 3.0196 km SSE of Old Harbor, Alaska · 3113 days ago · 11 km deep · 35 km away
  13. 3.0238 km SE of Old Harbor, Alaska · 3112 days ago · 6 km deep · 82 km away
  14. 4.6105 km SSE of Akhiok, Alaska · 3111 days ago · 25 km deep · 90 km away · tsunami flag
  15. 2.5Kodiak Island region, Alaska · 3111 days ago · 37 km deep · 96 km away
  16. 4.1103 km SSE of Akhiok, Alaska · 3111 days ago · 26 km deep · 90 km away
  17. 3.5103 km SSE of Akhiok, Alaska · 3111 days ago · 34 km deep · 91 km away
  18. 2.997 km SSE of Akhiok, Alaska · 3111 days ago · 33 km deep · 95 km away
  19. 2.5102 km SSE of Akhiok, Alaska · 3111 days ago · 36 km deep · 92 km away
  20. 2.897 km SSE of Akhiok, Alaska · 3111 days ago · 28 km deep · 96 km away
  21. 2.4114 km SSE of Akhiok, Alaska · 3111 days ago · 40 km deep · 82 km away
  22. 2.4100 km SSE of Akhiok, Alaska · 3111 days ago · 33 km deep · 94 km away
  23. 2.097 km SE of Akhiok, Alaska · 3111 days ago · 9 km deep · 88 km away
  24. 2.796 km SSE of Akhiok, Alaska · 3111 days ago · 40 km deep · 98 km away
  25. 3.0243 km SE of Old Harbor, Alaska · 3111 days ago · 10 km deep · 86 km away
  26. 3.1102 km SSE of Akhiok, Alaska · 3109 days ago · 30 km deep · 88 km away
  27. 3.193 km SSE of Akhiok, Alaska · 3106 days ago · 47 km deep · 96 km away
  28. 2.398 km SE of Akhiok, Alaska · 3106 days ago · 58 km deep · 89 km away
  29. 2.7205 km SSE of Old Harbor, Alaska · 3104 days ago · 10 km deep · 39 km away
  30. 2.6227 km SSE of Old Harbor, Alaska · 3103 days ago · 5 km deep · 64 km away
  31. 2.8238 km SE of Old Harbor, Alaska · 3102 days ago · 10 km deep · 84 km away
  32. 3.0237 km SE of Old Harbor, Alaska · 3101 days ago · 7 km deep · 81 km away
  33. 3.2233 km SSE of Old Harbor, Alaska · 3098 days ago · 8 km deep · 71 km away
  34. 2.8179 km SSE of Old Harbor, Alaska · 3098 days ago · 12 km deep · 15 km away
  35. 3.0228 km SE of Old Harbor, Alaska · 3094 days ago · 7 km deep · 78 km away
  36. 2.9south of Alaska · 3088 days ago · 5 km deep · 48 km away

Before

  1. 3.5189 km SSE of Old Harbor, Alaska · 3144 days ago · 10 km deep · 25 km away
  2. 2.6215 km SE of Old Harbor, Alaska · 3145 days ago · 6 km deep · 55 km away
  3. 2.7158 km SSE of Old Harbor, Alaska · 3147 days ago · 25 km deep · 12 km away
  4. 2.6161 km SSE of Old Harbor, Alaska · 3147 days ago · 5 km deep · 5 km away
  5. 3.0194 km SSE of Old Harbor, Alaska · 3147 days ago · 6 km deep · 30 km away
  6. 2.5187 km SSE of Old Harbor, Alaska · 3147 days ago · 4 km deep · 23 km away
  7. 3.1217 km SSE of Chiniak, Alaska · 3150 days ago · 5 km deep · 94 km away
  8. 2.9208 km SSE of Old Harbor, Alaska · 3152 days ago · 11 km deep · 42 km away
  9. 3.3181 km SSE of Old Harbor, Alaska · 3153 days ago · 10 km deep · 17 km away
  10. 2.7183 km SSE of Old Harbor, Alaska · 3154 days ago · 8 km deep · 16 km away
  11. 2.9235 km SSE of Old Harbor, Alaska · 3154 days ago · 10 km deep · 72 km away
  12. 2.6222 km SSE of Chiniak, Alaska · 3155 days ago · 10 km deep · 100 km away
  13. 2.4207 km SSE of Old Harbor, Alaska · 3155 days ago · 12 km deep · 40 km away
  14. 2.8189 km SSE of Chiniak, Alaska · 3155 days ago · 20 km deep · 93 km away
  15. 2.7185 km SSE of Chiniak, Alaska · 3155 days ago · 21 km deep · 91 km away
  16. 2.8214 km SSE of Chiniak, Alaska · 3156 days ago · 7 km deep · 89 km away
  17. 2.8220 km SSE of Chiniak, Alaska · 3156 days ago · 11 km deep · 85 km away
  18. 2.8195 km SSE of Old Harbor, Alaska · 3156 days ago · 6 km deep · 28 km away
  19. 3.0201 km SSE of Chiniak, Alaska · 3157 days ago · 10 km deep · 67 km away
  20. 3.1204 km SSE of Chiniak, Alaska · 3159 days ago · 10 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000d4en (also filed as ak01829c2k3f, ak18450204). Read Tue, Sep 29, 2026, 1:48 AM UTC.