Washington earthquakes

M1.6 earthquake 21 km S of Morton, Washington

A magnitude 1.6 earthquake struck 21 km S of Morton, Washington on Fri, Jun 27, 1980, 7:40 AM PDT (14:40 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M2.7 30 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
1.6 (md), micro
Local time
UTC
1980-06-27 14:40:32 UTC
Depth
13.6 km (8.5 mi), shallow
Epicenter
46.369° N, 122.272° 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, 0.8 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
63°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 78 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 2.730 km S of Morton, Washington · 16886 days ago · 0 km deep · 10 km away
  2. 2.18 km E of Ashford, Washington · 16881 days ago · 8 km deep · 52 km away
  3. 1.522 km SSE of Morton, Washington · 16880 days ago · 3 km deep · 5 km away
  4. 1.50 km NW of Waller, Washington · 16880 days ago · 7 km deep · 93 km away
  5. 2.823 km SSE of Morton, Washington · 16879 days ago · 2 km deep · 6 km away
  6. 2.523 km SSE of Morton, Washington · 16879 days ago · 1 km deep · 5 km away
  7. 3.132 km NE of Amboy, Washington · 16879 days ago · 4 km deep · 34 km away
  8. 2.832 km NE of Amboy, Washington · 16879 days ago · 3 km deep · 33 km away
  9. 2.432 km NE of Amboy, Washington · 16879 days ago · 5 km deep · 34 km away
  10. 3.232 km NE of Amboy, Washington · 16879 days ago · 3 km deep · 33 km away
  11. 1.932 km NE of Amboy, Washington · 16879 days ago · 6 km deep · 34 km away
  12. 1.729 km S of Morton, Washington · 16879 days ago · 6 km deep · 9 km away
  13. 2.032 km NE of Amboy, Washington · 16879 days ago · 7 km deep · 34 km away
  14. 1.523 km SSE of Morton, Washington · 16878 days ago · 2 km deep · 6 km away
  15. 2.111 km WNW of Parkdale, Oregon · 16876 days ago · 2 km deep · 98 km away
  16. 2.610 km SSE of Morton, Washington · 16874 days ago · 2 km deep · 11 km away
  17. 1.530 km S of Morton, Washington · 16873 days ago · 10 km deep · 10 km away
  18. 2.427 km S of Morton, Washington · 16871 days ago · 2 km deep · 8 km away
  19. 2.427 km S of Morton, Washington · 16870 days ago · 1 km deep · 8 km away
  20. 1.931 km NE of Amboy, Washington · 16869 days ago · 7 km deep · 34 km away
  21. 2.032 km NE of Amboy, Washington · 16869 days ago · 7 km deep · 35 km away
  22. 1.511 km S of Morton, Washington · 16869 days ago · 0 km deep · 10 km away
  23. 3.532 km NE of Amboy, Washington · 16866 days ago · 4 km deep · 32 km away
  24. 1.726 km ENE of Ashford, Washington · 16866 days ago · 4 km deep · 69 km away
  25. 1.833 km NE of Amboy, Washington · 16866 days ago · 5 km deep · 32 km away
  26. 2.033 km NE of Amboy, Washington · 16866 days ago · 5 km deep · 32 km away
  27. 2.832 km NE of Amboy, Washington · 16866 days ago · 5 km deep · 32 km away
  28. 3.738 km NE of Amboy, Washington · 16866 days ago · 7 km deep · 25 km away
  29. 2.633 km NE of Amboy, Washington · 16866 days ago · 5 km deep · 32 km away
  30. 3.133 km NE of Amboy, Washington · 16866 days ago · 3 km deep · 32 km away
  31. 2.132 km NE of Amboy, Washington · 16864 days ago · 5 km deep · 32 km away
  32. 2.338 km NNE of Amboy, Washington · 16864 days ago · 0 km deep · 19 km away
  33. 2.338 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 20 km away
  34. 2.337 km NNE of Amboy, Washington · 16863 days ago · 1 km deep · 20 km away
  35. 1.736 km S of Morton, Washington · 16863 days ago · -1 km deep · 16 km away
  36. 2.138 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 19 km away
  37. 2.138 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 20 km away
  38. 2.138 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 20 km away
  39. 2.138 km NNE of Amboy, Washington · 16863 days ago · -1 km deep · 19 km away
  40. 1.737 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 19 km away
  41. 2.138 km NNE of Amboy, Washington · 16863 days ago · -1 km deep · 19 km away
  42. 2.338 km NNE of Amboy, Washington · 16863 days ago · 1 km deep · 19 km away
  43. 2.138 km S of Morton, Washington · 16863 days ago · 0 km deep · 18 km away
  44. 2.139 km S of Morton, Washington · 16863 days ago · 0 km deep · 19 km away
  45. 2.338 km NNE of Amboy, Washington · 16863 days ago · 0 km deep · 19 km away
  46. 2.137 km S of Morton, Washington · 16863 days ago · -1 km deep · 17 km away
  47. 1.537 km NNE of Amboy, Washington · 16863 days ago · 1 km deep · 19 km away
  48. 2.139 km NNE of Amboy, Washington · 16863 days ago · -1 km deep · 20 km away
  49. 1.712 km SSE of Morton, Washington · 16863 days ago · 2 km deep · 10 km away
  50. 2.732 km NE of Amboy, Washington · 16863 days ago · 5 km deep · 33 km away
  51. 1.732 km NE of Amboy, Washington · 16863 days ago · 6 km deep · 33 km away
  52. 2.527 km S of Morton, Washington · 16861 days ago · 2 km deep · 7 km away
  53. 1.712 km SSE of Morton, Washington · 16861 days ago · 2 km deep · 9 km away
  54. 2.218 km SSW of Mossyrock, Washington · 16860 days ago · 5 km deep · 22 km away
  55. 1.525 km ENE of Ashford, Washington · 16859 days ago · 2 km deep · 68 km away
  56. 2.132 km NE of Amboy, Washington · 16858 days ago · 5 km deep · 32 km away
  57. 2.333 km NE of Amboy, Washington · 16857 days ago · 4 km deep · 31 km away
  58. 2.133 km NE of Amboy, Washington · 16857 days ago · 5 km deep · 33 km away
  59. 2.232 km NE of Amboy, Washington · 16857 days ago · 5 km deep · 33 km away
  60. 2.233 km NE of Amboy, Washington · 16856 days ago · 6 km deep · 32 km away

The first 60 of 78.

Before

  1. 1.833 km NE of Amboy, Washington · 16890 days ago · 5 km deep · 32 km away
  2. 2.333 km NE of Amboy, Washington · 16890 days ago · 4 km deep · 32 km away
  3. 2.725 km S of Morton, Washington · 16896 days ago · 3 km deep · 5 km away
  4. 2.034 km NE of Amboy, Washington · 16897 days ago · 1 km deep · 30 km away
  5. 2.325 km S of Morton, Washington · 16899 days ago · 3 km deep · 6 km away
  6. 1.622 km S of Morton, Washington · 16902 days ago · 4 km deep · 2 km away
  7. 1.637 km NNE of Amboy, Washington · 16903 days ago · 7 km deep · 19 km away
  8. 2.036 km NE of Amboy, Washington · 16905 days ago · 11 km deep · 26 km away
  9. 1.531 km NE of Amboy, Washington · 16907 days ago · 5 km deep · 31 km away
  10. 1.523 km SSE of Morton, Washington · 16909 days ago · 1 km deep · 9 km away
  11. 1.57 km SSE of Morton, Washington · 16914 days ago · 3 km deep · 15 km away
  12. 1.820 km SSE of Morton, Washington · 16914 days ago · 2 km deep · 4 km away
  13. 1.920 km SSE of Morton, Washington · 16914 days ago · 2 km deep · 4 km away
  14. 2.526 km S of Morton, Washington · 16915 days ago · 0 km deep · 6 km away
  15. 1.824 km SSE of Morton, Washington · 16916 days ago · 2 km deep · 6 km away
  16. 2.523 km SSE of Morton, Washington · 16916 days ago · 2 km deep · 5 km away
  17. 2.124 km SSE of Morton, Washington · 16918 days ago · 3 km deep · 6 km away
  18. 2.324 km SSE of Morton, Washington · 16919 days ago · 2 km deep · 6 km away
  19. 1.724 km SSE of Morton, Washington · 16919 days ago · 2 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10080918. Read Wed, Sep 23, 2026, 5:19 AM UTC.