Alaska earthquakes

M3.1 earthquake 288 km SE of Chiniak, Alaska

A magnitude 3.1 earthquake struck 288 km SE of Chiniak, Alaska on Mon, Aug 20, 2018, 12:48 AM AKDT (08:48 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.8 234 km SE of Chiniak, Alaska. This one was a foreshock.

More 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
3.1 (ml), minor
Local time
UTC
2018-08-20 08:48:58 UTC
Depth
12.8 km (8.0 mi), shallow
Epicenter
55.730° N, 149.052° 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
36

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.4224 km SE of Chiniak, Alaska · 2926 days ago · 8 km deep · 63 km away
  2. 3.8234 km SE of Chiniak, Alaska · 2926 days ago · 10 km deep · 59 km away
  3. 2.4233 km SE of Chiniak, Alaska · 2926 days ago · 12 km deep · 61 km away
  4. 2.6236 km SE of Chiniak, Alaska · 2926 days ago · 5 km deep · 55 km away
  5. 2.2265 km SE of Chiniak, Alaska · 2926 days ago · 4 km deep · 35 km away
  6. 2.3241 km ESE of Chiniak, Alaska · 2926 days ago · 10 km deep · 82 km away
  7. 2.9240 km SE of Chiniak, Alaska · 2926 days ago · 11 km deep · 66 km away
  8. 4.0248 km SE of Chiniak, Alaska · 2926 days ago · 22 km deep · 49 km away
  9. 2.3237 km SE of Chiniak, Alaska · 2926 days ago · 7 km deep · 64 km away
  10. 2.1Gulf of Alaska · 2926 days ago · 12 km deep · 47 km away
  11. 2.6Gulf of Alaska · 2925 days ago · 10 km deep · 11 km away
  12. 2.7212 km SE of Chiniak, Alaska · 2925 days ago · 4 km deep · 87 km away
  13. 2.4264 km SE of Chiniak, Alaska · 2925 days ago · 8 km deep · 25 km away
  14. 2.2272 km ESE of Chiniak, Alaska · 2925 days ago · 10 km deep · 76 km away
  15. 2.3261 km SE of Chiniak, Alaska · 2925 days ago · 3 km deep · 27 km away
  16. 2.4254 km ESE of Chiniak, Alaska · 2925 days ago · 10 km deep · 86 km away
  17. 2.0240 km SE of Chiniak, Alaska · 2925 days ago · 15 km deep · 48 km away
  18. 2.4286 km SE of Chiniak, Alaska · 2925 days ago · 10 km deep · 3 km away
  19. 2.9231 km SE of Chiniak, Alaska · 2925 days ago · 10 km deep · 60 km away
  20. 2.2259 km SE of Chiniak, Alaska · 2925 days ago · 12 km deep · 28 km away
  21. 2.8283 km SE of Chiniak, Alaska · 2925 days ago · 10 km deep · 14 km away
  22. 2.8263 km SE of Chiniak, Alaska · 2924 days ago · 12 km deep · 27 km away
  23. 2.2216 km SE of Chiniak, Alaska · 2924 days ago · 4 km deep · 73 km away
  24. 2.6Gulf of Alaska · 2924 days ago · 10 km deep · 34 km away
  25. 2.6236 km SE of Chiniak, Alaska · 2924 days ago · 12 km deep · 71 km away
  26. 2.4249 km SE of Chiniak, Alaska · 2924 days ago · 12 km deep · 39 km away
  27. 2.6250 km SE of Chiniak, Alaska · 2924 days ago · 12 km deep · 41 km away
  28. 2.2251 km SE of Chiniak, Alaska · 2923 days ago · 10 km deep · 44 km away
  29. 2.8230 km SE of Chiniak, Alaska · 2923 days ago · 10 km deep · 58 km away
  30. 3.0271 km SE of Chiniak, Alaska · 2923 days ago · 12 km deep · 17 km away
  31. 2.6Gulf of Alaska · 2922 days ago · 12 km deep · 31 km away
  32. 2.7222 km SE of Chiniak, Alaska · 2922 days ago · 10 km deep · 65 km away
  33. 2.8285 km SE of Chiniak, Alaska · 2922 days ago · 14 km deep · 13 km away
  34. 2.3241 km SSE of Chiniak, Alaska · 2922 days ago · 11 km deep · 90 km away
  35. 2.4220 km SE of Chiniak, Alaska · 2922 days ago · 7 km deep · 69 km away
  36. 2.4275 km ESE of Chiniak, Alaska · 2922 days ago · 15 km deep · 92 km away
  37. 2.5288 km SE of Chiniak, Alaska · 2922 days ago · 12 km deep · 13 km away
  38. 2.8244 km SE of Chiniak, Alaska · 2921 days ago · 14 km deep · 48 km away
  39. 2.8264 km SE of Chiniak, Alaska · 2921 days ago · 7 km deep · 24 km away
  40. 2.7234 km SE of Chiniak, Alaska · 2921 days ago · 10 km deep · 82 km away
  41. 2.1238 km SE of Chiniak, Alaska · 2921 days ago · 15 km deep · 50 km away
  42. 3.0211 km SE of Chiniak, Alaska · 2921 days ago · 10 km deep · 77 km away
  43. 2.5238 km SSE of Chiniak, Alaska · 2920 days ago · 12 km deep · 89 km away
  44. 2.6263 km SE of Chiniak, Alaska · 2920 days ago · 12 km deep · 27 km away
  45. 2.7210 km SE of Chiniak, Alaska · 2920 days ago · 22 km deep · 77 km away
  46. 2.8212 km SE of Chiniak, Alaska · 2919 days ago · 10 km deep · 76 km away
  47. 2.4283 km ESE of Chiniak, Alaska · 2919 days ago · 14 km deep · 87 km away
  48. 2.7224 km SE of Chiniak, Alaska · 2919 days ago · 10 km deep · 68 km away
  49. 2.8246 km SE of Chiniak, Alaska · 2919 days ago · 22 km deep · 46 km away
  50. 2.9249 km ESE of Chiniak, Alaska · 2919 days ago · 22 km deep · 84 km away
  51. 3.1246 km ESE of Chiniak, Alaska · 2919 days ago · 23 km deep · 95 km away
  52. 3.8237 km SE of Chiniak, Alaska · 2918 days ago · 20 km deep · 61 km away
  53. 2.1242 km SE of Chiniak, Alaska · 2918 days ago · 13 km deep · 46 km away
  54. 2.2242 km SE of Chiniak, Alaska · 2918 days ago · 14 km deep · 46 km away
  55. 3.4232 km SE of Chiniak, Alaska · 2918 days ago · 23 km deep · 60 km away
  56. 2.9223 km SE of Chiniak, Alaska · 2918 days ago · 22 km deep · 69 km away
  57. 2.4286 km SE of Chiniak, Alaska · 2918 days ago · 13 km deep · 73 km away
  58. 2.7231 km SE of Chiniak, Alaska · 2918 days ago · 20 km deep · 56 km away
  59. 2.8236 km SE of Chiniak, Alaska · 2918 days ago · 10 km deep · 56 km away
  60. 3.1287 km SE of Chiniak, Alaska · 2918 days ago · 10 km deep · 15 km away

The first 60 of 200.

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event aacse018antqea6. Read Tue, Sep 22, 2026, 7:46 PM UTC.