Washington earthquakes

M1.9 earthquake 14 km SSW of Morton, Washington

A magnitude 1.9 earthquake struck 14 km SSW of Morton, Washington on Fri, May 23, 1980, 9:27 AM PDT (16:27 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.1 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
1.9 (md), micro
Local time
UTC
1980-05-23 16:27:06 UTC
Depth
14.9 km (9.2 mi), shallow
Epicenter
46.438° N, 122.349° 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 0.5 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
81°
Stations used
17

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 116 in the 30 days before it.

After

  1. 1.739 km NNE of Amboy, Washington · 16924 days ago · 6 km deep · 29 km away
  2. 1.538 km NNE of Amboy, Washington · 16924 days ago · 2 km deep · 28 km away
  3. 4.125 km S of Morton, Washington · 16923 days ago · 2 km deep · 16 km away
  4. 2.525 km S of Morton, Washington · 16923 days ago · 1 km deep · 16 km away
  5. 1.832 km NE of Amboy, Washington · 16923 days ago · 3 km deep · 44 km away
  6. 2.325 km S of Morton, Washington · 16923 days ago · 2 km deep · 15 km away
  7. 1.837 km NNE of Amboy, Washington · 16923 days ago · 6 km deep · 28 km away
  8. 1.537 km NNE of Amboy, Washington · 16923 days ago · 5 km deep · 28 km away
  9. 1.538 km NNE of Amboy, Washington · 16922 days ago · 4 km deep · 28 km away
  10. 1.737 km NNE of Amboy, Washington · 16922 days ago · 5 km deep · 29 km away
  11. 1.639 km NNE of Amboy, Washington · 16922 days ago · 6 km deep · 29 km away
  12. 1.738 km NNE of Amboy, Washington · 16922 days ago · 5 km deep · 28 km away
  13. 2.137 km NNE of Amboy, Washington · 16922 days ago · 5 km deep · 30 km away
  14. 2.537 km NNE of Amboy, Washington · 16922 days ago · 9 km deep · 28 km away
  15. 1.537 km NNE of Amboy, Washington · 16922 days ago · 6 km deep · 29 km away
  16. 2.324 km SSE of Morton, Washington · 16921 days ago · 3 km deep · 15 km away
  17. 2.239 km NNE of Amboy, Washington · 16921 days ago · 7 km deep · 29 km away
  18. 1.733 km NE of Amboy, Washington · 16921 days ago · 5 km deep · 41 km away
  19. 2.633 km S of Morton, Washington · 16920 days ago · 6 km deep · 21 km away
  20. 2.7Washington · 16920 days ago · 2 km deep · 17 km away
  21. 1.5Washington · 16919 days ago · 5 km deep · 30 km away
  22. 4.1Washington · 16919 days ago · 1 km deep · 15 km away
  23. 4.025 km SSE of Morton, Washington · 16919 days ago · 3 km deep · 16 km away
  24. 2.624 km S of Morton, Washington · 16919 days ago · 1 km deep · 15 km away
  25. 1.624 km SSE of Morton, Washington · 16919 days ago · 2 km deep · 15 km away
  26. 1.724 km SSE of Morton, Washington · 16919 days ago · 2 km deep · 15 km away
  27. 2.324 km SSE of Morton, Washington · 16919 days ago · 2 km deep · 15 km away
  28. 2.124 km SSE of Morton, Washington · 16919 days ago · 3 km deep · 15 km away
  29. 2.523 km SSE of Morton, Washington · 16917 days ago · 2 km deep · 14 km away
  30. 1.824 km SSE of Morton, Washington · 16917 days ago · 2 km deep · 16 km away
  31. 2.526 km S of Morton, Washington · 16916 days ago · 0 km deep · 16 km away
  32. 1.920 km SSE of Morton, Washington · 16915 days ago · 2 km deep · 12 km away
  33. 1.820 km SSE of Morton, Washington · 16915 days ago · 2 km deep · 12 km away
  34. 1.57 km SSE of Morton, Washington · 16914 days ago · 3 km deep · 11 km away
  35. 1.523 km SSE of Morton, Washington · 16910 days ago · 1 km deep · 17 km away
  36. 1.531 km NE of Amboy, Washington · 16908 days ago · 5 km deep · 40 km away
  37. 2.036 km NE of Amboy, Washington · 16906 days ago · 11 km deep · 35 km away
  38. 1.637 km NNE of Amboy, Washington · 16903 days ago · 7 km deep · 28 km away
  39. 1.622 km S of Morton, Washington · 16903 days ago · 4 km deep · 12 km away
  40. 2.325 km S of Morton, Washington · 16900 days ago · 3 km deep · 15 km away
  41. 2.034 km NE of Amboy, Washington · 16898 days ago · 1 km deep · 39 km away
  42. 2.725 km S of Morton, Washington · 16897 days ago · 3 km deep · 15 km away
  43. 2.333 km NE of Amboy, Washington · 16891 days ago · 4 km deep · 41 km away
  44. 1.833 km NE of Amboy, Washington · 16891 days ago · 5 km deep · 41 km away
  45. 1.621 km S of Morton, Washington · 16889 days ago · 14 km deep · 10 km away
  46. 2.730 km S of Morton, Washington · 16887 days ago · 0 km deep · 20 km away
  47. 2.18 km E of Ashford, Washington · 16881 days ago · 8 km deep · 50 km away
  48. 1.522 km SSE of Morton, Washington · 16881 days ago · 3 km deep · 14 km away
  49. 1.50 km NW of Waller, Washington · 16881 days ago · 7 km deep · 85 km away
  50. 2.823 km SSE of Morton, Washington · 16880 days ago · 2 km deep · 15 km away
  51. 2.523 km SSE of Morton, Washington · 16880 days ago · 1 km deep · 14 km away
  52. 3.132 km NE of Amboy, Washington · 16880 days ago · 4 km deep · 43 km away
  53. 2.832 km NE of Amboy, Washington · 16880 days ago · 3 km deep · 43 km away
  54. 2.432 km NE of Amboy, Washington · 16880 days ago · 5 km deep · 44 km away
  55. 3.232 km NE of Amboy, Washington · 16880 days ago · 3 km deep · 43 km away
  56. 1.932 km NE of Amboy, Washington · 16880 days ago · 6 km deep · 43 km away
  57. 1.729 km S of Morton, Washington · 16879 days ago · 6 km deep · 18 km away
  58. 2.032 km NE of Amboy, Washington · 16879 days ago · 7 km deep · 43 km away
  59. 1.523 km SSE of Morton, Washington · 16879 days ago · 2 km deep · 15 km away
  60. 2.610 km SSE of Morton, Washington · 16875 days ago · 2 km deep · 9 km away

The first 60 of 76.

Before

  1. 1.737 km NNE of Amboy, Washington · 16924 days ago · 7 km deep · 28 km away
  2. 1.824 km S of Morton, Washington · 16924 days ago · 3 km deep · 15 km away
  3. 1.825 km SSE of Morton, Washington · 16924 days ago · 2 km deep · 16 km away
  4. 3.324 km S of Morton, Washington · 16924 days ago · 3 km deep · 15 km away
  5. 1.537 km NNE of Amboy, Washington · 16925 days ago · 2 km deep · 29 km away
  6. 2.926 km SSE of Morton, Washington · 16925 days ago · 2 km deep · 17 km away
  7. 2.232 km S of Morton, Washington · 16925 days ago · 5 km deep · 22 km away
  8. 1.526 km SSE of Morton, Washington · 16925 days ago · 3 km deep · 17 km away
  9. 2.824 km S of Morton, Washington · 16925 days ago · 2 km deep · 15 km away
  10. 2.625 km S of Morton, Washington · 16925 days ago · 1 km deep · 15 km away
  11. 2.026 km SSE of Morton, Washington · 16925 days ago · 1 km deep · 17 km away
  12. 1.910 km ENE of Kalama, Washington · 16925 days ago · 17 km deep · 52 km away
  13. 1.737 km NNE of Amboy, Washington · 16926 days ago · 6 km deep · 28 km away
  14. 2.136 km NNE of Amboy, Washington · 16926 days ago · 7 km deep · 29 km away
  15. 2.125 km SSE of Morton, Washington · 16926 days ago · 1 km deep · 16 km away
  16. 3.139 km NNE of Amboy, Washington · 16926 days ago · 0 km deep · 29 km away
  17. 1.938 km NNE of Amboy, Washington · 16926 days ago · 2 km deep · 29 km away
  18. 3.326 km SSE of Morton, Washington · 16926 days ago · 1 km deep · 17 km away
  19. 4.336 km NNE of Amboy, Washington · 16926 days ago · 13 km deep · 29 km away
  20. 2.536 km NNE of Amboy, Washington · 16926 days ago · 9 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10096463. Read Wed, Sep 23, 2026, 10:59 PM UTC.