Washington earthquakes

M2.5 earthquake 23 km SSE of Morton, Washington

A magnitude 2.5 earthquake struck 23 km SSE of Morton, Washington on Sat, May 31, 1980, 12:40 AM PDT (07:40 UTC), 2 km (2 mi) below the surface.

A larger quake followed: M2.7 25 km S of Morton, 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
2.5 (md), micro
Local time
UTC
1980-05-31 07:40:18 UTC
Depth
2.4 km (1.5 mi), shallow
Epicenter
46.350° N, 122.213° 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 0.4 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
73°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 77 in the 60 days after this one and 115 in the 30 days before it.

After

  1. 1.824 km SSE of Morton, Washington · 16915 days ago · 2 km deep · 1 km away
  2. 2.526 km S of Morton, Washington · 16915 days ago · 0 km deep · 3 km away
  3. 1.920 km SSE of Morton, Washington · 16914 days ago · 2 km deep · 3 km away
  4. 1.820 km SSE of Morton, Washington · 16913 days ago · 2 km deep · 3 km away
  5. 1.57 km SSE of Morton, Washington · 16913 days ago · 3 km deep · 17 km away
  6. 1.523 km SSE of Morton, Washington · 16909 days ago · 1 km deep · 4 km away
  7. 1.531 km NE of Amboy, Washington · 16906 days ago · 5 km deep · 28 km away
  8. 2.036 km NE of Amboy, Washington · 16905 days ago · 11 km deep · 22 km away
  9. 1.637 km NNE of Amboy, Washington · 16902 days ago · 7 km deep · 16 km away
  10. 1.622 km S of Morton, Washington · 16902 days ago · 4 km deep · 3 km away
  11. 2.325 km S of Morton, Washington · 16899 days ago · 3 km deep · 2 km away
  12. 2.034 km NE of Amboy, Washington · 16897 days ago · 1 km deep · 26 km away
  13. 2.725 km S of Morton, Washington · 16896 days ago · 3 km deep · 2 km away
  14. 2.333 km NE of Amboy, Washington · 16890 days ago · 4 km deep · 28 km away
  15. 1.833 km NE of Amboy, Washington · 16890 days ago · 5 km deep · 28 km away
  16. 1.621 km S of Morton, Washington · 16888 days ago · 14 km deep · 5 km away
  17. 2.730 km S of Morton, Washington · 16886 days ago · 0 km deep · 7 km away
  18. 2.18 km E of Ashford, Washington · 16880 days ago · 8 km deep · 52 km away
  19. 1.522 km SSE of Morton, Washington · 16880 days ago · 3 km deep · 1 km away
  20. 1.50 km NW of Waller, Washington · 16879 days ago · 7 km deep · 96 km away
  21. 2.823 km SSE of Morton, Washington · 16879 days ago · 2 km deep · 1 km away
  22. 2.523 km SSE of Morton, Washington · 16879 days ago · 1 km deep · 1 km away
  23. 3.132 km NE of Amboy, Washington · 16879 days ago · 4 km deep · 30 km away
  24. 2.832 km NE of Amboy, Washington · 16879 days ago · 3 km deep · 30 km away
  25. 2.432 km NE of Amboy, Washington · 16879 days ago · 5 km deep · 31 km away
  26. 3.232 km NE of Amboy, Washington · 16879 days ago · 3 km deep · 30 km away
  27. 1.932 km NE of Amboy, Washington · 16879 days ago · 6 km deep · 31 km away
  28. 1.729 km S of Morton, Washington · 16878 days ago · 6 km deep · 6 km away
  29. 2.032 km NE of Amboy, Washington · 16878 days ago · 7 km deep · 31 km away
  30. 1.523 km SSE of Morton, Washington · 16878 days ago · 2 km deep · 2 km away
  31. 2.111 km WNW of Parkdale, Oregon · 16876 days ago · 2 km deep · 94 km away
  32. 2.610 km SSE of Morton, Washington · 16874 days ago · 2 km deep · 13 km away
  33. 1.530 km S of Morton, Washington · 16873 days ago · 10 km deep · 8 km away
  34. 2.427 km S of Morton, Washington · 16870 days ago · 2 km deep · 4 km away
  35. 2.427 km S of Morton, Washington · 16870 days ago · 1 km deep · 4 km away
  36. 1.931 km NE of Amboy, Washington · 16869 days ago · 7 km deep · 31 km away
  37. 2.032 km NE of Amboy, Washington · 16869 days ago · 7 km deep · 32 km away
  38. 1.511 km S of Morton, Washington · 16868 days ago · 0 km deep · 13 km away
  39. 3.532 km NE of Amboy, Washington · 16866 days ago · 4 km deep · 29 km away
  40. 1.726 km ENE of Ashford, Washington · 16866 days ago · 4 km deep · 68 km away
  41. 1.833 km NE of Amboy, Washington · 16866 days ago · 5 km deep · 29 km away
  42. 2.033 km NE of Amboy, Washington · 16866 days ago · 5 km deep · 29 km away
  43. 2.832 km NE of Amboy, Washington · 16865 days ago · 5 km deep · 28 km away
  44. 3.738 km NE of Amboy, Washington · 16865 days ago · 7 km deep · 21 km away
  45. 2.633 km NE of Amboy, Washington · 16865 days ago · 5 km deep · 28 km away
  46. 3.133 km NE of Amboy, Washington · 16865 days ago · 3 km deep · 29 km away
  47. 2.132 km NE of Amboy, Washington · 16863 days ago · 5 km deep · 29 km away
  48. 2.338 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 16 km away
  49. 2.338 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 17 km away
  50. 2.337 km NNE of Amboy, Washington · 16863 days ago · 1 km deep · 17 km away
  51. 1.736 km S of Morton, Washington · 16863 days ago · -1 km deep · 13 km away
  52. 2.138 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 16 km away
  53. 2.138 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 17 km away
  54. 2.138 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 17 km away
  55. 2.138 km NNE of Amboy, Washington · 16863 days ago · -1 km deep · 16 km away
  56. 1.737 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 16 km away
  57. 2.138 km NNE of Amboy, Washington · 16863 days ago · -1 km deep · 16 km away
  58. 2.338 km NNE of Amboy, Washington · 16863 days ago · 1 km deep · 16 km away
  59. 2.138 km S of Morton, Washington · 16863 days ago · 0 km deep · 15 km away
  60. 2.139 km S of Morton, Washington · 16863 days ago · 0 km deep · 15 km away

The first 60 of 77.

Before

  1. 2.124 km SSE of Morton, Washington · 16917 days ago · 3 km deep · 1 km away
  2. 2.324 km SSE of Morton, Washington · 16918 days ago · 2 km deep · 1 km away
  3. 1.724 km SSE of Morton, Washington · 16918 days ago · 2 km deep · 1 km away
  4. 1.624 km SSE of Morton, Washington · 16918 days ago · 2 km deep · 1 km away
  5. 2.624 km S of Morton, Washington · 16918 days ago · 1 km deep · 1 km away
  6. 4.025 km SSE of Morton, Washington · 16918 days ago · 3 km deep · 2 km away
  7. 4.1Washington · 16918 days ago · 1 km deep · 2 km away
  8. 1.5Washington · 16918 days ago · 5 km deep · 17 km away
  9. 2.7Washington · 16919 days ago · 2 km deep · 3 km away
  10. 2.633 km S of Morton, Washington · 16919 days ago · 6 km deep · 11 km away
  11. 1.733 km NE of Amboy, Washington · 16920 days ago · 5 km deep · 28 km away
  12. 2.239 km NNE of Amboy, Washington · 16920 days ago · 7 km deep · 16 km away
  13. 2.324 km SSE of Morton, Washington · 16920 days ago · 3 km deep · 1 km away
  14. 1.537 km NNE of Amboy, Washington · 16921 days ago · 6 km deep · 17 km away
  15. 2.537 km NNE of Amboy, Washington · 16921 days ago · 9 km deep · 16 km away
  16. 2.137 km NNE of Amboy, Washington · 16921 days ago · 5 km deep · 17 km away
  17. 1.738 km NNE of Amboy, Washington · 16921 days ago · 5 km deep · 16 km away
  18. 1.639 km NNE of Amboy, Washington · 16921 days ago · 6 km deep · 17 km away
  19. 1.737 km NNE of Amboy, Washington · 16921 days ago · 5 km deep · 17 km away
  20. 1.538 km NNE of Amboy, Washington · 16921 days ago · 4 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10105313. Read Tue, Sep 22, 2026, 5:27 PM UTC.