Washington earthquakes

M2.7 earthquake 35 km SSE of Morton, Washington

A magnitude 2.7 earthquake struck 35 km SSE of Morton, Washington on Sun, Mar 29, 1981, 5:52 AM PST (13:52 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M5.0 23 km ESE of Packwood, Washington. This one was a foreshock.

Morton forecastMore in Washington

Map

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

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The earthquake

Magnitude
2.7 (md), micro
Local time
UTC
1981-03-29 13:52:21 UTC
Depth
-0.8 km (-0.5 mi), shallow
Epicenter
46.248° N, 122.185° 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 1.6 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.25
Depth from
Operator assigned
Station coverage gap
260°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 76 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 1.537 km SSE of Morton, Washington · 16614 days ago · -1 km deep · 3 km away
  2. 1.637 km S of Morton, Washington · 16609 days ago · 1 km deep · 3 km away
  3. 2.237 km NNE of Amboy, Washington · 16609 days ago · -2 km deep · 5 km away
  4. 1.9Washington · 16608 days ago · 1 km deep · 6 km away
  5. 2.438 km NNE of Amboy, Washington · 16606 days ago · 0 km deep · 5 km away
  6. 1.638 km NNE of Amboy, Washington · 16606 days ago · -1 km deep · 4 km away
  7. 1.922 km S of Morton, Washington · 16606 days ago · 10 km deep · 13 km away
  8. 2.122 km S of Morton, Washington · 16606 days ago · 11 km deep · 13 km away
  9. 1.637 km NNE of Amboy, Washington · 16605 days ago · -1 km deep · 6 km away
  10. 2.039 km S of Morton, Washington · 16605 days ago · -1 km deep · 4 km away
  11. 1.737 km NE of Amboy, Washington · 16605 days ago · -1 km deep · 7 km away
  12. 1.738 km NNE of Amboy, Washington · 16605 days ago · -1 km deep · 5 km away
  13. 1.938 km NNE of Amboy, Washington · 16605 days ago · -1 km deep · 5 km away
  14. 1.938 km NNE of Amboy, Washington · 16605 days ago · -1 km deep · 5 km away
  15. 1.837 km NNE of Amboy, Washington · 16605 days ago · 0 km deep · 6 km away
  16. 1.737 km NNE of Amboy, Washington · 16605 days ago · 0 km deep · 6 km away
  17. 1.836 km NNE of Amboy, Washington · 16605 days ago · -1 km deep · 7 km away
  18. 2.038 km NNE of Amboy, Washington · 16605 days ago · -1 km deep · 5 km away
  19. 2.037 km NNE of Amboy, Washington · 16605 days ago · -1 km deep · 6 km away
  20. 1.638 km S of Morton, Washington · 16605 days ago · 0 km deep · 4 km away
  21. 2.338 km S of Morton, Washington · 16605 days ago · -1 km deep · 4 km away
  22. 2.038 km NNE of Amboy, Washington · 16605 days ago · 1 km deep · 5 km away
  23. 1.537 km NNE of Amboy, Washington · 16605 days ago · 2 km deep · 5 km away
  24. 1.837 km NNE of Amboy, Washington · 16605 days ago · -1 km deep · 6 km away
  25. 1.736 km NNE of Amboy, Washington · 16604 days ago · 1 km deep · 6 km away
  26. 1.737 km NNE of Amboy, Washington · 16604 days ago · 0 km deep · 5 km away
  27. 1.936 km NNE of Amboy, Washington · 16604 days ago · 0 km deep · 7 km away
  28. 2.538 km NNE of Amboy, Washington · 16604 days ago · -1 km deep · 6 km away
  29. 1.537 km SSE of Morton, Washington · 16604 days ago · -1 km deep · 3 km away
  30. 1.634 km NNE of Amboy, Washington · 16604 days ago · -1 km deep · 8 km away
  31. 1.938 km NNE of Amboy, Washington · 16604 days ago · 0 km deep · 5 km away
  32. 1.636 km NNE of Amboy, Washington · 16604 days ago · -1 km deep · 7 km away
  33. 2.039 km NNE of Amboy, Washington · 16604 days ago · -1 km deep · 4 km away
  34. 1.637 km NNE of Amboy, Washington · 16604 days ago · -1 km deep · 6 km away
  35. 2.322 km S of Morton, Washington · 16604 days ago · 9 km deep · 13 km away
  36. 1.937 km NNE of Amboy, Washington · 16602 days ago · 0 km deep · 6 km away
  37. 2.423 km S of Morton, Washington · 16601 days ago · 8 km deep · 12 km away
  38. 1.731 km S of Morton, Washington · 16601 days ago · 2 km deep · 4 km away
  39. 1.734 km S of Morton, Washington · 16601 days ago · -1 km deep · 2 km away
  40. 1.831 km S of Morton, Washington · 16600 days ago · 3 km deep · 4 km away
  41. 2.123 km S of Morton, Washington · 16597 days ago · 11 km deep · 12 km away
  42. 2.021 km S of Morton, Washington · 16597 days ago · 10 km deep · 14 km away
  43. 1.712 km SSW of Trout Lake, Washington · 16595 days ago · -1 km deep · 62 km away
  44. 1.530 km NNE of Amboy, Washington · 16594 days ago · 11 km deep · 13 km away
  45. 1.717 km E of Packwood, Washington · 16594 days ago · 6 km deep · 71 km away
  46. 1.9Washington-Oregon border region · 16592 days ago · 6 km deep · 66 km away
  47. 1.83 km N of Mount Hood, Oregon · 16586 days ago · 4 km deep · 89 km away
  48. 2.621 km S of Morton, Washington · 16585 days ago · 10 km deep · 14 km away
  49. 2.023 km S of Morton, Washington · 16585 days ago · 8 km deep · 12 km away
  50. 3.121 km S of Morton, Washington · 16584 days ago · 10 km deep · 14 km away
  51. 1.638 km NNE of Amboy, Washington · 16584 days ago · -1 km deep · 5 km away
  52. 2.023 km S of Morton, Washington · 16584 days ago · 9 km deep · 12 km away
  53. 1.824 km S of Morton, Washington · 16583 days ago · 8 km deep · 11 km away
  54. 2.122 km ESE of Packwood, Washington · 16581 days ago · 11 km deep · 69 km away
  55. 2.137 km SSE of Morton, Washington · 16581 days ago · 10 km deep · 11 km away
  56. 1.712 km ESE of Carbonado, Washington · 16581 days ago · 16 km deep · 91 km away
  57. 1.734 km NE of Amboy, Washington · 16580 days ago · 5 km deep · 15 km away
  58. 1.924 km S of Morton, Washington · 16574 days ago · 11 km deep · 11 km away
  59. 1.537 km SSE of Morton, Washington · 16573 days ago · 10 km deep · 10 km away
  60. 2.724 km S of Morton, Washington · 16573 days ago · 10 km deep · 11 km away

The first 60 of 76.

Before

  1. 1.824 km S of Morton, Washington · 16617 days ago · 11 km deep · 11 km away
  2. 1.825 km S of Morton, Washington · 16618 days ago · 7 km deep · 10 km away
  3. 1.734 km NNE of Amboy, Washington · 16619 days ago · 1 km deep · 8 km away
  4. 1.838 km NE of Amboy, Washington · 16625 days ago · 7 km deep · 12 km away
  5. 2.122 km S of Morton, Washington · 16626 days ago · 11 km deep · 14 km away
  6. 2.026 km S of Morton, Washington · 16629 days ago · 13 km deep · 9 km away
  7. 2.022 km S of Morton, Washington · 16634 days ago · 10 km deep · 13 km away
  8. 2.220 km S of Morton, Washington · 16634 days ago · 6 km deep · 15 km away
  9. 2.121 km S of Morton, Washington · 16636 days ago · 8 km deep · 13 km away
  10. 1.921 km S of Morton, Washington · 16639 days ago · 8 km deep · 14 km away
  11. 1.523 km S of Morton, Washington · 16641 days ago · 8 km deep · 12 km away
  12. 1.721 km S of Morton, Washington · 16642 days ago · 8 km deep · 14 km away
  13. 1.624 km S of Morton, Washington · 16642 days ago · 7 km deep · 11 km away
  14. 1.822 km S of Morton, Washington · 16643 days ago · 11 km deep · 13 km away
  15. 2.123 km S of Morton, Washington · 16644 days ago · 6 km deep · 12 km away
  16. 1.823 km S of Morton, Washington · 16644 days ago · 7 km deep · 11 km away
  17. 1.521 km S of Morton, Washington · 16645 days ago · 10 km deep · 14 km away
  18. 1.823 km S of Morton, Washington · 16646 days ago · 6 km deep · 12 km away
  19. 2.523 km S of Morton, Washington · 16646 days ago · 6 km deep · 12 km away
  20. 1.722 km S of Morton, Washington · 16647 days ago · 8 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10108918. Read Sat, Sep 26, 2026, 12:14 PM UTC.