Alaska earthquakes

M1.8 earthquake 257 km W of Adak, Alaska

A magnitude 1.8 earthquake struck 257 km W of Adak, Alaska on Tue, Aug 6, 2019, 3:18 PM GMT+12 (03:18 UTC), 46 km (29 mi) below the surface.

A larger quake followed: M4.8 Rat Islands, Aleutian Islands, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2019-08-06 03:18:07 UTC
Depth
45.9 km (28.5 mi), shallow
Epicenter
51.500° N, 179.689° E
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
23

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 1.5Rat Islands, Aleutian Islands, Alaska · 2614 days ago · 58 km deep · 64 km away
  2. 1.8232 km WSW of Adak, Alaska · 2614 days ago · 67 km deep · 27 km away
  3. 1.6224 km WSW of Adak, Alaska · 2614 days ago · 55 km deep · 47 km away
  4. 2.1237 km W of Adak, Alaska · 2613 days ago · 177 km deep · 35 km away
  5. 2.7261 km WSW of Adak, Alaska · 2613 days ago · 56 km deep · 22 km away
  6. 1.8217 km WSW of Adak, Alaska · 2613 days ago · 59 km deep · 42 km away
  7. 2.4185 km WSW of Adak, Alaska · 2612 days ago · 30 km deep · 94 km away
  8. 2.6Rat Islands, Aleutian Islands, Alaska · 2612 days ago · 79 km deep · 66 km away
  9. 1.6228 km WSW of Adak, Alaska · 2612 days ago · 55 km deep · 36 km away
  10. 1.9Rat Islands, Aleutian Islands, Alaska · 2611 days ago · 93 km deep · 81 km away
  11. 3.1Rat Islands, Aleutian Islands, Alaska · 2611 days ago · 22 km deep · 84 km away
  12. 4.2245 km W of Adak, Alaska · 2610 days ago · 161 km deep · 36 km away
  13. 1.8296 km WSW of Adak, Alaska · 2610 days ago · 20 km deep · 56 km away
  14. 2.5Rat Islands, Aleutian Islands, Alaska · 2609 days ago · 35 km deep · 69 km away
  15. 1.8236 km WSW of Adak, Alaska · 2609 days ago · 42 km deep · 28 km away
  16. 2.0281 km W of Adak, Alaska · 2608 days ago · 26 km deep · 25 km away
  17. 1.9Rat Islands, Aleutian Islands, Alaska · 2608 days ago · 39 km deep · 71 km away
  18. 1.6174 km WSW of Adak, Alaska · 2608 days ago · 23 km deep · 87 km away
  19. 1.6159 km WSW of Adak, Alaska · 2608 days ago · 13 km deep · 98 km away
  20. 2.1247 km WSW of Adak, Alaska · 2607 days ago · 19 km deep · 21 km away
  21. 1.6178 km WSW of Adak, Alaska · 2607 days ago · 66 km deep · 79 km away
  22. 1.6262 km WSW of Adak, Alaska · 2607 days ago · 58 km deep · 6 km away
  23. 1.9205 km W of Adak, Alaska · 2607 days ago · 79 km deep · 53 km away
  24. 1.5196 km WSW of Adak, Alaska · 2607 days ago · 66 km deep · 62 km away
  25. 1.6Rat Islands, Aleutian Islands, Alaska · 2606 days ago · 24 km deep · 49 km away
  26. 1.9Rat Islands, Aleutian Islands, Alaska · 2606 days ago · 102 km deep · 85 km away
  27. 2.2Rat Islands, Aleutian Islands, Alaska · 2606 days ago · 98 km deep · 79 km away
  28. 1.7215 km W of Adak, Alaska · 2606 days ago · 88 km deep · 44 km away
  29. 1.9263 km W of Adak, Alaska · 2606 days ago · 14 km deep · 34 km away
  30. 1.6267 km W of Adak, Alaska · 2602 days ago · 13 km deep · 52 km away
  31. 1.8165 km W of Adak, Alaska · 2601 days ago · 7 km deep · 92 km away
  32. 1.5210 km WSW of Adak, Alaska · 2597 days ago · 20 km deep · 71 km away
  33. 1.6Rat Islands, Aleutian Islands, Alaska · 2596 days ago · 17 km deep · 68 km away
  34. 1.7180 km WSW of Adak, Alaska · 2596 days ago · 25 km deep · 100 km away
  35. 2.0Rat Islands, Aleutian Islands, Alaska · 2595 days ago · 38 km deep · 56 km away
  36. 1.7Rat Islands, Aleutian Islands, Alaska · 2595 days ago · 33 km deep · 55 km away
  37. 1.5165 km WSW of Adak, Alaska · 2595 days ago · 24 km deep · 96 km away
  38. 1.6266 km WSW of Adak, Alaska · 2594 days ago · 57 km deep · 16 km away
  39. 1.7247 km W of Adak, Alaska · 2594 days ago · 87 km deep · 20 km away
  40. 4.0192 km WSW of Adak, Alaska · 2593 days ago · 69 km deep · 68 km away
  41. 2.0Rat Islands, Aleutian Islands, Alaska · 2593 days ago · 73 km deep · 63 km away
  42. 1.5Rat Islands, Aleutian Islands, Alaska · 2593 days ago · 41 km deep · 60 km away
  43. 2.1Rat Islands, Aleutian Islands, Alaska · 2593 days ago · 59 km deep · 71 km away
  44. 2.0191 km WSW of Adak, Alaska · 2592 days ago · 68 km deep · 66 km away
  45. 3.8Rat Islands, Aleutian Islands, Alaska · 2592 days ago · 100 km deep · 88 km away
  46. 2.7288 km WSW of Adak, Alaska · 2591 days ago · 24 km deep · 66 km away
  47. 2.3Rat Islands, Aleutian Islands, Alaska · 2591 days ago · 95 km deep · 77 km away
  48. 1.7Rat Islands, Aleutian Islands, Alaska · 2591 days ago · 81 km deep · 59 km away
  49. 2.0165 km W of Adak, Alaska · 2590 days ago · 8 km deep · 94 km away
  50. 2.3211 km W of Adak, Alaska · 2590 days ago · 80 km deep · 47 km away
  51. 2.1169 km WSW of Adak, Alaska · 2590 days ago · 12 km deep · 94 km away
  52. 1.6259 km W of Adak, Alaska · 2590 days ago · 3 km deep · 50 km away
  53. 2.8Rat Islands, Aleutian Islands, Alaska · 2590 days ago · 35 km deep · 92 km away
  54. 1.8185 km WSW of Adak, Alaska · 2586 days ago · 14 km deep · 78 km away
  55. 1.9216 km W of Adak, Alaska · 2586 days ago · 85 km deep · 46 km away
  56. 1.6257 km WSW of Adak, Alaska · 2585 days ago · 43 km deep · 16 km away
  57. 3.1240 km WSW of Adak, Alaska · 2582 days ago · 10 km deep · 67 km away
  58. 1.5203 km W of Adak, Alaska · 2582 days ago · 15 km deep · 61 km away
  59. 1.9196 km WSW of Adak, Alaska · 2581 days ago · 26 km deep · 74 km away
  60. 2.2Rat Islands, Aleutian Islands, Alaska · 2579 days ago · 105 km deep · 93 km away

The first 60 of 100.

Before

  1. 4.2259 km W of Adak, Alaska · 2614 days ago · 61 km deep · 2 km away
  2. 1.8246 km WSW of Adak, Alaska · 2614 days ago · 51 km deep · 18 km away
  3. 2.3Rat Islands, Aleutian Islands, Alaska · 2614 days ago · 91 km deep · 99 km away
  4. 1.8236 km WSW of Adak, Alaska · 2614 days ago · 13 km deep · 26 km away
  5. 2.3273 km W of Adak, Alaska · 2614 days ago · 97 km deep · 32 km away
  6. 1.7178 km WSW of Adak, Alaska · 2614 days ago · 34 km deep · 84 km away
  7. 1.6286 km WSW of Adak, Alaska · 2614 days ago · 19 km deep · 49 km away
  8. 3.9264 km W of Adak, Alaska · 2614 days ago · 87 km deep · 20 km away
  9. 2.3Rat Islands, Aleutian Islands, Alaska · 2615 days ago · 13 km deep · 82 km away
  10. 2.6260 km WSW of Adak, Alaska · 2615 days ago · 38 km deep · 36 km away
  11. 3.2189 km WSW of Adak, Alaska · 2616 days ago · 33 km deep · 76 km away
  12. 2.0246 km WSW of Adak, Alaska · 2616 days ago · 26 km deep · 64 km away
  13. 1.7192 km W of Adak, Alaska · 2616 days ago · 98 km deep · 70 km away
  14. 2.0Rat Islands, Aleutian Islands, Alaska · 2617 days ago · 17 km deep · 84 km away
  15. 2.8Rat Islands, Aleutian Islands, Alaska · 2618 days ago · 30 km deep · 93 km away
  16. 3.0224 km W of Adak, Alaska · 2618 days ago · 97 km deep · 34 km away
  17. 1.8188 km WSW of Adak, Alaska · 2620 days ago · 21 km deep · 77 km away
  18. 2.8216 km WSW of Adak, Alaska · 2620 days ago · 25 km deep · 69 km away
  19. 2.2261 km W of Adak, Alaska · 2620 days ago · 152 km deep · 47 km away
  20. 1.6Rat Islands, Aleutian Islands, Alaska · 2621 days ago · 26 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak019a0l1tx9. Read Fri, Oct 2, 2026, 12:20 AM UTC.