Alaska earthquakes

M2.1 earthquake 46 km SSE of Adak, Alaska

A magnitude 2.1 earthquake struck 46 km SSE of Adak, Alaska on Wed, Jul 24, 2019, 6:35 PM HADT (03:35 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.0 59 km SE 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
2.1 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-07-25 03:35:33 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.481° N, 176.420° 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
2.1ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.1ML, 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 3.6 km horizontally, 2.0 km in depth
Depth from
Operator assigned
Station coverage gap
208°, poorly surrounded by stations
Stations used
32

Nearby

Within 100 km, magnitude 1.5 and up: 133 in the 60 days after this one and 78 in the 30 days before it.

After

  1. 1.560 km WSW of Adak, Alaska · 2625 days ago · 73 km deep · 79 km away
  2. 2.140 km ENE of Adak, Alaska · 2625 days ago · 178 km deep · 58 km away
  3. 3.349 km S of Adak, Alaska · 2625 days ago · 35 km deep · 13 km away
  4. 1.590 km SW of Atka, Alaska · 2624 days ago · 25 km deep · 89 km away
  5. 1.572 km SW of Adak, Alaska · 2623 days ago · 44 km deep · 74 km away
  6. 1.55 km S of Adak, Alaska · 2622 days ago · 72 km deep · 41 km away
  7. 1.560 km SE of Adak, Alaska · 2622 days ago · 22 km deep · 24 km away
  8. 1.797 km SW of Atka, Alaska · 2622 days ago · 25 km deep · 84 km away
  9. 1.949 km ENE of Adak, Alaska · 2621 days ago · 132 km deep · 74 km away
  10. 2.2105 km ESE of Adak, Alaska · 2621 days ago · 202 km deep · 76 km away
  11. 2.297 km S of Adak, Alaska · 2620 days ago · 10 km deep · 56 km away
  12. 2.0113 km SSW of Atka, Alaska · 2619 days ago · 27 km deep · 94 km away
  13. 1.760 km SE of Adak, Alaska · 2619 days ago · 26 km deep · 22 km away
  14. 1.748 km S of Adak, Alaska · 2618 days ago · 29 km deep · 17 km away
  15. 2.330 km SW of Adak, Alaska · 2617 days ago · 161 km deep · 45 km away
  16. 2.577 km SW of Adak, Alaska · 2617 days ago · 35 km deep · 78 km away
  17. 1.756 km SSE of Adak, Alaska · 2617 days ago · 26 km deep · 12 km away
  18. 1.852 km S of Adak, Alaska · 2616 days ago · 25 km deep · 10 km away
  19. 1.969 km SSE of Adak, Alaska · 2616 days ago · 26 km deep · 23 km away
  20. 2.294 km SW of Atka, Alaska · 2616 days ago · 25 km deep · 93 km away
  21. 2.171 km ENE of Adak, Alaska · 2615 days ago · 152 km deep · 86 km away
  22. 1.879 km SW of Adak, Alaska · 2615 days ago · 48 km deep · 78 km away
  23. 1.663 km SW of Adak, Alaska · 2614 days ago · 42 km deep · 65 km away
  24. 1.772 km WSW of Adak, Alaska · 2614 days ago · 40 km deep · 76 km away
  25. 1.990 km WSW of Adak, Alaska · 2614 days ago · 32 km deep · 94 km away
  26. 1.7102 km SW of Adak, Alaska · 2613 days ago · 26 km deep · 98 km away
  27. 1.563 km SE of Adak, Alaska · 2613 days ago · 40 km deep · 32 km away
  28. 1.745 km ESE of Adak, Alaska · 2611 days ago · 53 km deep · 31 km away
  29. 1.641 km SSE of Adak, Alaska · 2611 days ago · 32 km deep · 6 km away
  30. 1.569 km SW of Adak, Alaska · 2611 days ago · 55 km deep · 71 km away
  31. 2.056 km S of Adak, Alaska · 2611 days ago · 35 km deep · 14 km away
  32. 1.981 km SSE of Adak, Alaska · 2611 days ago · 20 km deep · 36 km away
  33. 2.260 km NE of Adak, Alaska · 2611 days ago · 153 km deep · 91 km away
  34. 2.0119 km SSW of Atka, Alaska · 2610 days ago · 18 km deep · 99 km away
  35. 2.1120 km SSW of Atka, Alaska · 2610 days ago · 39 km deep · 99 km away
  36. 2.4107 km SW of Atka, Alaska · 2610 days ago · 35 km deep · 89 km away
  37. 1.696 km WSW of Adak, Alaska · 2610 days ago · 26 km deep · 99 km away
  38. 2.3Andreanof Islands, Aleutian Islands, Alaska · 2609 days ago · 92 km deep · 69 km away
  39. 2.561 km ENE of Adak, Alaska · 2609 days ago · 214 km deep · 75 km away
  40. 1.760 km SE of Adak, Alaska · 2609 days ago · 23 km deep · 31 km away
  41. 1.692 km SE of Adak, Alaska · 2608 days ago · 20 km deep · 59 km away
  42. 1.656 km SSE of Adak, Alaska · 2607 days ago · 25 km deep · 12 km away
  43. 2.6104 km SSE of Adak, Alaska · 2607 days ago · 10 km deep · 58 km away
  44. 1.854 km W of Adak, Alaska · 2607 days ago · 22 km deep · 83 km away
  45. 1.654 km W of Adak, Alaska · 2607 days ago · 21 km deep · 82 km away
  46. 1.638 km NNW of Adak, Alaska · 2607 days ago · 149 km deep · 84 km away
  47. 2.019 km SSE of Adak, Alaska · 2606 days ago · 71 km deep · 27 km away
  48. 1.978 km WSW of Adak, Alaska · 2606 days ago · 13 km deep · 84 km away
  49. 3.159 km SE of Adak, Alaska · 2605 days ago · 35 km deep · 29 km away
  50. 2.1104 km SW of Adak, Alaska · 2605 days ago · 44 km deep · 90 km away
  51. 1.990 km SW of Adak, Alaska · 2604 days ago · 56 km deep · 73 km away
  52. 3.172 km W of Adak, Alaska · 2603 days ago · 21 km deep · 92 km away
  53. 1.846 km SE of Adak, Alaska · 2601 days ago · 44 km deep · 26 km away
  54. 2.092 km WSW of Adak, Alaska · 2601 days ago · 28 km deep · 93 km away
  55. 1.942 km NNW of Adak, Alaska · 2601 days ago · 131 km deep · 88 km away
  56. 3.176 km S of Adak, Alaska · 2600 days ago · 21 km deep · 37 km away
  57. 3.151 km WSW of Adak, Alaska · 2600 days ago · 86 km deep · 65 km away
  58. 1.834 km SSE of Adak, Alaska · 2600 days ago · 50 km deep · 16 km away
  59. 1.847 km S of Adak, Alaska · 2599 days ago · 49 km deep · 16 km away
  60. 1.672 km SW of Adak, Alaska · 2599 days ago · 44 km deep · 71 km away

The first 60 of 133.

Before

  1. 1.618 km W of Adak, Alaska · 2627 days ago · 11 km deep · 54 km away
  2. 1.5Andreanof Islands, Aleutian Islands, Alaska · 2628 days ago · 53 km deep · 98 km away
  3. 1.664 km ESE of Adak, Alaska · 2628 days ago · 24 km deep · 44 km away
  4. 1.627 km ESE of Adak, Alaska · 2628 days ago · 68 km deep · 35 km away
  5. 1.557 km S of Adak, Alaska · 2629 days ago · 25 km deep · 13 km away
  6. 2.073 km SW of Adak, Alaska · 2629 days ago · 43 km deep · 73 km away
  7. 1.7100 km ESE of Adak, Alaska · 2629 days ago · 28 km deep · 81 km away
  8. 1.555 km SSE of Adak, Alaska · 2629 days ago · 26 km deep · 16 km away
  9. 1.657 km SE of Adak, Alaska · 2629 days ago · 26 km deep · 20 km away
  10. 2.544 km NE of Adak, Alaska · 2629 days ago · 145 km deep · 74 km away
  11. 1.7119 km SSW of Atka, Alaska · 2629 days ago · 17 km deep · 100 km away
  12. 1.8102 km SW of Atka, Alaska · 2629 days ago · 41 km deep · 89 km away
  13. 1.778 km SW of Adak, Alaska · 2630 days ago · 26 km deep · 78 km away
  14. 1.672 km WSW of Adak, Alaska · 2631 days ago · 64 km deep · 81 km away
  15. 1.545 km ENE of Adak, Alaska · 2631 days ago · 168 km deep · 68 km away
  16. 1.966 km SSW of Adak, Alaska · 2632 days ago · 32 km deep · 44 km away
  17. 1.952 km NE of Adak, Alaska · 2632 days ago · 227 km deep · 86 km away
  18. 1.565 km ESE of Adak, Alaska · 2632 days ago · 26 km deep · 43 km away
  19. 2.5100 km SW of Atka, Alaska · 2633 days ago · 35 km deep · 84 km away
  20. 4.099 km SW of Atka, Alaska · 2633 days ago · 35 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600056b8 (also filed as ak0199gqpdse). Read Fri, Oct 2, 2026, 2:41 AM UTC.