Washington earthquakes

M1.6 earthquake 11 km N of Packwood, Washington

A magnitude 1.6 earthquake struck 11 km N of Packwood, Washington on Thu, May 28, 1981, 2:28 AM PDT (09:28 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M2.4 22 km ESE of Packwood, Washington. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1981-05-28 09:28:54 UTC
Depth
-1.5 km (-1.0 mi), shallow
Epicenter
46.709° N, 121.679° W
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.

Location uncertainty
About 4.2 km horizontally, 6.1 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
296°, poorly surrounded by stations
Stations used
4

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 70 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 2.422 km ESE of Packwood, Washington · 16553 days ago · 1 km deep · 29 km away
  2. 1.622 km ESE of Packwood, Washington · 16553 days ago · 1 km deep · 29 km away
  3. 1.921 km ESE of Packwood, Washington · 16553 days ago · 1 km deep · 28 km away
  4. 1.822 km ESE of Packwood, Washington · 16553 days ago · 3 km deep · 29 km away
  5. 1.721 km ESE of Packwood, Washington · 16553 days ago · 3 km deep · 28 km away
  6. 2.924 km ESE of Packwood, Washington · 16552 days ago · 7 km deep · 31 km away
  7. 1.722 km ESE of Packwood, Washington · 16551 days ago · 5 km deep · 28 km away
  8. 2.023 km ESE of Packwood, Washington · 16546 days ago · 5 km deep · 30 km away
  9. 1.738 km NNE of Amboy, Washington · 16546 days ago · -1 km deep · 68 km away
  10. 2.139 km NNE of Amboy, Washington · 16546 days ago · -1 km deep · 68 km away
  11. 1.6Washington · 16546 days ago · -1 km deep · 12 km away
  12. 1.929 km SW of Packwood, Washington · 16546 days ago · 0 km deep · 38 km away
  13. 1.621 km S of Morton, Washington · 16545 days ago · 10 km deep · 58 km away
  14. 2.138 km NNE of Amboy, Washington · 16545 days ago · -1 km deep · 68 km away
  15. 2.324 km S of Morton, Washington · 16545 days ago · 8 km deep · 59 km away
  16. 2.023 km ESE of Packwood, Washington · 16544 days ago · 5 km deep · 31 km away
  17. 2.412 km ESE of Riverbend, Washington · 16544 days ago · 13 km deep · 80 km away
  18. 2.022 km ESE of Packwood, Washington · 16543 days ago · 5 km deep · 29 km away
  19. 1.639 km NNE of Amboy, Washington · 16540 days ago · 0 km deep · 67 km away
  20. 1.721 km ENE of Ashford, Washington · 16540 days ago · 3 km deep · 17 km away
  21. 1.738 km NNE of Amboy, Washington · 16538 days ago · -1 km deep · 69 km away
  22. 1.638 km NNE of Amboy, Washington · 16537 days ago · -1 km deep · 68 km away
  23. 1.838 km S of Morton, Washington · 16536 days ago · 2 km deep · 67 km away
  24. 1.839 km SSE of Morton, Washington · 16535 days ago · -1 km deep · 67 km away
  25. 2.338 km NNE of Amboy, Washington · 16535 days ago · -1 km deep · 68 km away
  26. 1.620 km S of Morton, Washington · 16535 days ago · 8 km deep · 57 km away
  27. 2.524 km S of Morton, Washington · 16535 days ago · 8 km deep · 59 km away
  28. 2.538 km NNE of Amboy, Washington · 16534 days ago · -1 km deep · 68 km away
  29. 1.738 km NNE of Amboy, Washington · 16534 days ago · -1 km deep · 68 km away
  30. 2.138 km NNE of Amboy, Washington · 16534 days ago · 1 km deep · 68 km away
  31. 2.023 km ESE of Packwood, Washington · 16533 days ago · 6 km deep · 30 km away
  32. 1.738 km NNE of Amboy, Washington · 16533 days ago · -1 km deep · 69 km away
  33. 1.538 km NNE of Amboy, Washington · 16533 days ago · -1 km deep · 68 km away
  34. 1.622 km ENE of Ashford, Washington · 16533 days ago · 1 km deep · 17 km away
  35. 1.938 km NNE of Amboy, Washington · 16532 days ago · -1 km deep · 68 km away
  36. 2.238 km NNE of Amboy, Washington · 16532 days ago · 0 km deep · 68 km away
  37. 1.737 km NNE of Amboy, Washington · 16531 days ago · -1 km deep · 69 km away
  38. 2.238 km S of Morton, Washington · 16531 days ago · 0 km deep · 68 km away
  39. 2.537 km NNE of Amboy, Washington · 16531 days ago · 12 km deep · 69 km away
  40. 1.837 km NNE of Amboy, Washington · 16531 days ago · -1 km deep · 69 km away
  41. 2.137 km NE of Amboy, Washington · 16531 days ago · -1 km deep · 69 km away
  42. 1.532 km NNE of Amboy, Washington · 16531 days ago · -1 km deep · 74 km away
  43. 2.439 km S of Morton, Washington · 16531 days ago · -1 km deep · 67 km away
  44. 1.936 km NNE of Amboy, Washington · 16531 days ago · -1 km deep · 70 km away
  45. 1.938 km NNE of Amboy, Washington · 16531 days ago · -1 km deep · 68 km away
  46. 1.521 km S of Morton, Washington · 16530 days ago · 10 km deep · 58 km away
  47. 1.60 km NW of Normandy Park, Washington · 16527 days ago · 18 km deep · 96 km away
  48. 1.70 km W of Normandy Park, Washington · 16527 days ago · 17 km deep · 95 km away
  49. 1.70 km W of Normandy Park, Washington · 16526 days ago · 17 km deep · 95 km away
  50. 1.924 km ESE of Packwood, Washington · 16525 days ago · 4 km deep · 31 km away
  51. 1.521 km S of Morton, Washington · 16525 days ago · 7 km deep · 57 km away
  52. 1.70 km W of Normandy Park, Washington · 16524 days ago · 17 km deep · 96 km away
  53. 2.622 km S of Morton, Washington · 16524 days ago · 9 km deep · 58 km away
  54. 1.524 km ESE of Packwood, Washington · 16520 days ago · 4 km deep · 31 km away
  55. 1.51 km SSE of Issaquah, Washington · 16518 days ago · 17 km deep · 93 km away
  56. 2.223 km ESE of Packwood, Washington · 16518 days ago · 4 km deep · 30 km away
  57. 2.422 km ESE of Packwood, Washington · 16518 days ago · 5 km deep · 29 km away
  58. 2.223 km ESE of Packwood, Washington · 16518 days ago · 4 km deep · 30 km away
  59. 1.723 km ESE of Packwood, Washington · 16518 days ago · 3 km deep · 31 km away
  60. 2.223 km ESE of Packwood, Washington · 16517 days ago · 4 km deep · 29 km away

The first 60 of 70.

Before

  1. 1.522 km ESE of Packwood, Washington · 16553 days ago · 1 km deep · 30 km away
  2. 5.023 km ESE of Packwood, Washington · 16553 days ago · 2 km deep · 30 km away
  3. 1.823 km ESE of Packwood, Washington · 16553 days ago · 1 km deep · 30 km away
  4. 4.622 km ESE of Packwood, Washington · 16553 days ago · 2 km deep · 29 km away
  5. 1.621 km S of Morton, Washington · 16554 days ago · 9 km deep · 58 km away
  6. 3.221 km S of Morton, Washington · 16554 days ago · 9 km deep · 58 km away
  7. 1.538 km S of Morton, Washington · 16554 days ago · -1 km deep · 67 km away
  8. 1.522 km S of Morton, Washington · 16555 days ago · 8 km deep · 58 km away
  9. 1.67 km ENE of Snoqualmie, Washington · 16556 days ago · 9 km deep · 95 km away
  10. 1.611 km NE of Snoqualmie, Washington · 16559 days ago · 2 km deep · 100 km away
  11. 1.622 km S of Morton, Washington · 16566 days ago · 7 km deep · 58 km away
  12. 1.524 km S of Morton, Washington · 16566 days ago · 11 km deep · 59 km away
  13. 3.021 km S of Morton, Washington · 16568 days ago · 9 km deep · 58 km away
  14. 4.521 km S of Morton, Washington · 16568 days ago · 9 km deep · 58 km away
  15. 2.724 km S of Morton, Washington · 16569 days ago · 10 km deep · 60 km away
  16. 1.537 km SSE of Morton, Washington · 16569 days ago · 10 km deep · 57 km away
  17. 1.924 km S of Morton, Washington · 16570 days ago · 11 km deep · 60 km away
  18. 1.734 km NE of Amboy, Washington · 16576 days ago · 5 km deep · 74 km away
  19. 1.712 km ESE of Carbonado, Washington · 16577 days ago · 16 km deep · 41 km away
  20. 2.137 km SSE of Morton, Washington · 16577 days ago · 10 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10106433. Read Tue, Sep 22, 2026, 3:55 PM UTC.