Alaska earthquakes

M3.0 earthquake 242 km WSW of Adak, Alaska

A magnitude 3.0 earthquake struck 242 km WSW of Adak, Alaska on Sun, Feb 2, 2020, 3:19 AM GMT-12 (15:19 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M5.7 239 km WSW of Adak, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-02-02 15:19:25 UTC
Depth
17.3 km (10.7 mi), shallow
Epicenter
51.046° N, 179.865° 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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
3.0ML, local (Richter)Alaska Earthquake CenterPreliminary

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 4.8 km horizontally, 9.6 km in depth
Depth from
From location
Station coverage gap
221°, poorly surrounded by stations
Stations used
27

Nearby

Within 100 km, magnitude 1.5 and up: 99 in the 60 days after this one and 159 in the 30 days before it.

After

  1. 4.1272 km WSW of Adak, Alaska · 2434 days ago · 30 km deep · 35 km away
  2. 3.1268 km WSW of Adak, Alaska · 2434 days ago · 10 km deep · 28 km away
  3. 4.2229 km W of Adak, Alaska · 2433 days ago · 97 km deep · 79 km away
  4. 2.9239 km WSW of Adak, Alaska · 2433 days ago · 17 km deep · 15 km away
  5. 2.3210 km WSW of Adak, Alaska · 2432 days ago · 5 km deep · 40 km away
  6. 2.2214 km WSW of Adak, Alaska · 2432 days ago · 13 km deep · 35 km away
  7. 3.2Andreanof Islands, Aleutian Islands, Alaska · 2431 days ago · 14 km deep · 12 km away
  8. 2.9240 km WSW of Adak, Alaska · 2430 days ago · 17 km deep · 17 km away
  9. 2.2253 km W of Adak, Alaska · 2430 days ago · 67 km deep · 65 km away
  10. 3.0236 km W of Adak, Alaska · 2428 days ago · 179 km deep · 99 km away
  11. 3.6274 km WSW of Adak, Alaska · 2428 days ago · 68 km deep · 66 km away
  12. 2.1165 km W of Adak, Alaska · 2428 days ago · 8 km deep · 96 km away
  13. 4.0244 km WSW of Adak, Alaska · 2425 days ago · 35 km deep · 6 km away
  14. 2.6260 km WSW of Adak, Alaska · 2421 days ago · 64 km deep · 58 km away
  15. 2.5188 km WSW of Adak, Alaska · 2421 days ago · 27 km deep · 58 km away
  16. 2.8219 km WSW of Adak, Alaska · 2421 days ago · 6 km deep · 45 km away
  17. 2.8273 km SW of Adak, Alaska · 2420 days ago · 10 km deep · 99 km away
  18. 3.0187 km WSW of Adak, Alaska · 2419 days ago · 35 km deep · 55 km away
  19. 2.4243 km WSW of Adak, Alaska · 2418 days ago · 15 km deep · 3 km away
  20. 3.0294 km SW of Adak, Alaska · 2417 days ago · 10 km deep · 74 km away
  21. 2.6226 km W of Adak, Alaska · 2417 days ago · 123 km deep · 93 km away
  22. 1.9150 km WSW of Adak, Alaska · 2416 days ago · 17 km deep · 93 km away
  23. 1.9239 km WSW of Adak, Alaska · 2416 days ago · 13 km deep · 6 km away
  24. 5.3216 km WSW of Adak, Alaska · 2416 days ago · 10 km deep · 48 km away · tsunami flag
  25. 4.6216 km WSW of Adak, Alaska · 2416 days ago · 10 km deep · 43 km away
  26. 2.9212 km WSW of Adak, Alaska · 2416 days ago · 10 km deep · 44 km away
  27. 3.3219 km WSW of Adak, Alaska · 2416 days ago · 10 km deep · 46 km away
  28. 2.5215 km WSW of Adak, Alaska · 2416 days ago · 10 km deep · 42 km away
  29. 2.8216 km WSW of Adak, Alaska · 2416 days ago · 9 km deep · 44 km away
  30. 2.1207 km W of Adak, Alaska · 2415 days ago · 74 km deep · 60 km away
  31. 2.1244 km WSW of Adak, Alaska · 2412 days ago · 14 km deep · 12 km away
  32. 2.0154 km WSW of Adak, Alaska · 2412 days ago · 25 km deep · 94 km away
  33. 2.1192 km WSW of Adak, Alaska · 2411 days ago · 26 km deep · 50 km away
  34. 2.7244 km WSW of Adak, Alaska · 2411 days ago · 16 km deep · 10 km away
  35. 2.2211 km WSW of Adak, Alaska · 2410 days ago · 74 km deep · 56 km away
  36. 5.7239 km WSW of Adak, Alaska · 2406 days ago · 20 km deep · 7 km away · felt by 1 · tsunami flag
  37. 3.4242 km WSW of Adak, Alaska · 2406 days ago · 13 km deep · 5 km away
  38. 2.3239 km WSW of Adak, Alaska · 2406 days ago · 28 km deep · 23 km away
  39. 2.8244 km WSW of Adak, Alaska · 2406 days ago · 15 km deep · 3 km away
  40. 2.3263 km W of Adak, Alaska · 2406 days ago · 11 km deep · 62 km away
  41. 2.5244 km WSW of Adak, Alaska · 2406 days ago · 10 km deep · 2 km away
  42. 2.2237 km WSW of Adak, Alaska · 2406 days ago · 13 km deep · 17 km away
  43. 2.8240 km WSW of Adak, Alaska · 2406 days ago · 10 km deep · 8 km away
  44. 2.0237 km WSW of Adak, Alaska · 2406 days ago · 14 km deep · 15 km away
  45. 2.4237 km WSW of Adak, Alaska · 2406 days ago · 16 km deep · 17 km away
  46. 3.5239 km WSW of Adak, Alaska · 2405 days ago · 10 km deep · 8 km away
  47. 5.0238 km WSW of Adak, Alaska · 2405 days ago · 10 km deep · 5 km away · felt by 2
  48. 2.0235 km WSW of Adak, Alaska · 2405 days ago · 26 km deep · 7 km away
  49. 1.5244 km WSW of Adak, Alaska · 2404 days ago · 16 km deep · 38 km away
  50. 1.6Rat Islands, Aleutian Islands, Alaska · 2404 days ago · 25 km deep · 66 km away
  51. 3.0234 km WSW of Adak, Alaska · 2404 days ago · 18 km deep · 8 km away
  52. 4.1240 km WSW of Adak, Alaska · 2403 days ago · 10 km deep · 12 km away
  53. 3.5235 km WSW of Adak, Alaska · 2401 days ago · 57 km deep · 36 km away
  54. 2.8186 km WSW of Adak, Alaska · 2400 days ago · 30 km deep · 60 km away
  55. 2.0176 km WSW of Adak, Alaska · 2400 days ago · 26 km deep · 66 km away
  56. 1.9216 km WSW of Adak, Alaska · 2400 days ago · 25 km deep · 26 km away
  57. 2.9202 km WSW of Adak, Alaska · 2400 days ago · 10 km deep · 59 km away
  58. 2.7242 km WSW of Adak, Alaska · 2399 days ago · 35 km deep · 21 km away
  59. 2.2158 km WSW of Adak, Alaska · 2399 days ago · 13 km deep · 84 km away
  60. 1.9239 km WSW of Adak, Alaska · 2397 days ago · 5 km deep · 11 km away

The first 60 of 99.

Before

  1. 2.6163 km WSW of Adak, AK · 2435 days ago · 35 km deep · 81 km away
  2. 2.6204 km WSW of Adak, Alaska · 2436 days ago · 76 km deep · 58 km away
  3. 2.5238 km WSW of Adak, Alaska · 2437 days ago · 10 km deep · 4 km away
  4. 2.4239 km WSW of Adak, Alaska · 2437 days ago · 11 km deep · 4 km away
  5. 2.0249 km WSW of Adak, Alaska · 2438 days ago · 26 km deep · 9 km away
  6. 4.4240 km WSW of Adak, Alaska · 2438 days ago · 22 km deep · 2 km away
  7. 2.4226 km W of Adak, Alaska · 2438 days ago · 13 km deep · 80 km away
  8. 1.8241 km WSW of Adak, Alaska · 2438 days ago · 13 km deep · 4 km away
  9. 1.8Andreanof Islands, Aleutian Islands, Alaska · 2438 days ago · 13 km deep · 27 km away
  10. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2439 days ago · 13 km deep · 12 km away
  11. 3.9242 km WSW of Adak, Alaska · 2439 days ago · 17 km deep · 3 km away
  12. 3.2240 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 11 km away
  13. 2.8236 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 13 km away
  14. 2.6240 km WSW of Adak, Alaska · 2439 days ago · 14 km deep · 3 km away
  15. 3.7247 km WSW of Adak, AK · 2439 days ago · 10 km deep · 11 km away
  16. 4.0249 km WSW of Adak, Alaska · 2439 days ago · 10 km deep · 16 km away
  17. 2.6251 km WSW of Adak, Alaska · 2440 days ago · 20 km deep · 9 km away
  18. 2.0240 km WSW of Adak, Alaska · 2440 days ago · 13 km deep · 3 km away
  19. 2.2251 km WSW of Adak, Alaska · 2440 days ago · 16 km deep · 9 km away
  20. 3.3237 km WSW of Adak, Alaska · 2440 days ago · 13 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70007jfw (also filed as ak0201its36g). Read Sat, Oct 3, 2026, 6:56 AM UTC.