Alaska earthquakes

M2.2 earthquake 94 km SW of Atka, Alaska

A magnitude 2.2 earthquake struck 94 km SW of Atka, Alaska on Sun, Aug 4, 2019, 6:10 AM HADT (15:10 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M4.0 59 km SE of Adak, 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
2.2 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-08-04 15:10:53 UTC
Depth
25.4 km (15.8 mi), shallow
Epicenter
51.546° N, 175.086° 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
2.2ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.2ML, 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 5.9 km horizontally, 6.8 km in depth
Depth from
From location
Station coverage gap
230°, poorly surrounded by stations
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 121 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 2.171 km ENE of Adak, Alaska · 2615 days ago · 152 km deep · 72 km away
  2. 2.116 km SSE of Atka, Alaska · 2613 days ago · 131 km deep · 88 km away
  3. 1.563 km SE of Adak, Alaska · 2613 days ago · 40 km deep · 60 km away
  4. 2.37 km NNW of Atka, Alaska · 2612 days ago · 219 km deep · 98 km away
  5. 2.827 km SSW of Atka, Alaska · 2612 days ago · 76 km deep · 70 km away
  6. 1.745 km ESE of Adak, Alaska · 2611 days ago · 53 km deep · 69 km away
  7. 1.641 km SSE of Adak, Alaska · 2611 days ago · 32 km deep · 89 km away
  8. 1.981 km SSE of Adak, Alaska · 2611 days ago · 20 km deep · 95 km away
  9. 2.0119 km SSW of Atka, Alaska · 2610 days ago · 18 km deep · 33 km away
  10. 2.1120 km SSW of Atka, Alaska · 2610 days ago · 39 km deep · 33 km away
  11. 2.4107 km SW of Atka, Alaska · 2610 days ago · 35 km deep · 14 km away
  12. 2.015 km SSW of Atka, Alaska · 2610 days ago · 66 km deep · 80 km away
  13. 2.561 km ENE of Adak, Alaska · 2609 days ago · 214 km deep · 71 km away
  14. 1.760 km SE of Adak, Alaska · 2609 days ago · 23 km deep · 62 km away
  15. 1.692 km SE of Adak, Alaska · 2608 days ago · 20 km deep · 42 km away
  16. 1.656 km SSE of Adak, Alaska · 2608 days ago · 25 km deep · 84 km away
  17. 2.6103 km SSW of Atka, Alaska · 2608 days ago · 10 km deep · 50 km away
  18. 1.892 km SW of Atka, Alaska · 2607 days ago · 39 km deep · 9 km away
  19. 1.897 km S of Atka, Alaska · 2607 days ago · 66 km deep · 60 km away
  20. 1.973 km SW of Atka, Alaska · 2607 days ago · 40 km deep · 22 km away
  21. 2.019 km SSE of Adak, Alaska · 2607 days ago · 71 km deep · 100 km away
  22. 3.159 km SE of Adak, Alaska · 2606 days ago · 35 km deep · 64 km away
  23. 2.350 km SSW of Atka, Alaska · 2604 days ago · 5 km deep · 51 km away
  24. 1.785 km SW of Atka, Alaska · 2602 days ago · 26 km deep · 10 km away
  25. 1.846 km SE of Adak, Alaska · 2601 days ago · 44 km deep · 71 km away
  26. 1.834 km SSE of Adak, Alaska · 2600 days ago · 50 km deep · 88 km away
  27. 2.580 km ESE of Adak, Alaska · 2597 days ago · 35 km deep · 33 km away
  28. 1.584 km E of Adak, Alaska · 2595 days ago · 48 km deep · 37 km away
  29. 3.388 km S of Atka, Alaska · 2595 days ago · 23 km deep · 68 km away
  30. 1.763 km SE of Adak, Alaska · 2594 days ago · 26 km deep · 69 km away
  31. 1.655 km SSE of Adak, Alaska · 2594 days ago · 23 km deep · 83 km away
  32. 1.870 km SW of Atka, Alaska · 2594 days ago · 22 km deep · 26 km away
  33. 1.967 km SW of Atka, Alaska · 2594 days ago · 25 km deep · 30 km away
  34. 1.527 km W of Atka, Alaska · 2594 days ago · 7 km deep · 76 km away
  35. 2.172 km SE of Adak, Alaska · 2593 days ago · 35 km deep · 55 km away
  36. 2.629 km WSW of Atka, Alaska · 2592 days ago · 10 km deep · 68 km away
  37. 1.859 km SW of Atka, Alaska · 2592 days ago · 15 km deep · 36 km away
  38. 2.264 km WSW of Atka, Alaska · 2591 days ago · 57 km deep · 44 km away
  39. 1.827 km W of Atka, Alaska · 2591 days ago · 7 km deep · 79 km away
  40. 1.531 km WSW of Atka, Alaska · 2590 days ago · 9 km deep · 71 km away
  41. 2.361 km WSW of Atka, Alaska · 2590 days ago · 73 km deep · 50 km away
  42. 1.984 km ESE of Adak, Alaska · 2590 days ago · 47 km deep · 29 km away
  43. 1.753 km SSE of Adak, Alaska · 2590 days ago · 28 km deep · 97 km away
  44. 1.927 km W of Atka, Alaska · 2590 days ago · 6 km deep · 76 km away
  45. 3.381 km SE of Adak, Alaska · 2589 days ago · 10 km deep · 45 km away
  46. 2.598 km SW of Atka, Alaska · 2589 days ago · 30 km deep · 15 km away
  47. 2.476 km ENE of Adak, Alaska · 2587 days ago · 145 km deep · 73 km away
  48. 2.227 km W of Atka, Alaska · 2587 days ago · 70 km deep · 84 km away
  49. 1.542 km W of Atka, Alaska · 2585 days ago · 78 km deep · 72 km away
  50. 2.1125 km S of Atka, Alaska · 2585 days ago · 5 km deep · 90 km away
  51. 2.783 km SW of Atka, Alaska · 2585 days ago · 26 km deep · 19 km away
  52. 1.559 km SE of Adak, Alaska · 2585 days ago · 26 km deep · 73 km away
  53. 2.049 km ESE of Adak, Alaska · 2585 days ago · 46 km deep · 66 km away
  54. 1.797 km ESE of Adak, Alaska · 2584 days ago · 35 km deep · 15 km away
  55. 2.269 km SSE of Atka, Alaska · 2584 days ago · 51 km deep · 83 km away
  56. 1.633 km E of Adak, Alaska · 2584 days ago · 69 km deep · 80 km away
  57. 1.672 km SSE of Adak, Alaska · 2584 days ago · 26 km deep · 89 km away
  58. 2.036 km SSW of Atka, Alaska · 2584 days ago · 7 km deep · 61 km away
  59. 2.130 km SSE of Adak, Alaska · 2583 days ago · 49 km deep · 93 km away
  60. 1.874 km SW of Atka, Alaska · 2582 days ago · 37 km deep · 25 km away

The first 60 of 121.

Before

  1. 1.749 km SW of Atka, Alaska · 2616 days ago · 66 km deep · 48 km away
  2. 1.969 km SSE of Adak, Alaska · 2616 days ago · 26 km deep · 93 km away
  3. 1.852 km S of Adak, Alaska · 2617 days ago · 25 km deep · 99 km away
  4. 1.756 km SSE of Adak, Alaska · 2617 days ago · 26 km deep · 84 km away
  5. 2.024 km SW of Atka, Alaska · 2617 days ago · 63 km deep · 70 km away
  6. 3.746 km S of Atka, Alaska · 2618 days ago · 46 km deep · 64 km away
  7. 1.760 km SE of Adak, Alaska · 2619 days ago · 26 km deep · 72 km away
  8. 2.0113 km SSW of Atka, Alaska · 2619 days ago · 27 km deep · 23 km away
  9. 2.2105 km ESE of Adak, Alaska · 2621 days ago · 202 km deep · 27 km away
  10. 1.949 km ENE of Adak, Alaska · 2621 days ago · 132 km deep · 88 km away
  11. 1.797 km SW of Atka, Alaska · 2622 days ago · 25 km deep · 10 km away
  12. 1.560 km SE of Adak, Alaska · 2622 days ago · 22 km deep · 69 km away
  13. 1.9133 km S of Atka, Alaska · 2624 days ago · 15 km deep · 92 km away
  14. 3.796 km SSW of Atka, Alaska · 2624 days ago · 35 km deep · 15 km away
  15. 2.057 km W of Atka, Alaska · 2624 days ago · 86 km deep · 63 km away
  16. 1.590 km SW of Atka, Alaska · 2624 days ago · 25 km deep · 12 km away
  17. 2.17 km SSW of Atka, Alaska · 2624 days ago · 141 km deep · 88 km away
  18. 2.0109 km SSW of Atka, Alaska · 2624 days ago · 17 km deep · 35 km away
  19. 4.792 km SSW of Atka, Alaska · 2624 days ago · 25 km deep · 23 km away
  20. 2.9109 km SSW of Atka, Alaska · 2624 days ago · 28 km deep · 38 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000585f (also filed as ak0199xh2tst). Read Fri, Oct 2, 2026, 6:01 AM UTC.