Washington earthquakes

M1.6 earthquake 7 km W of Mossyrock, Washington

A magnitude 1.6 earthquake struck 7 km W of Mossyrock, Washington on Fri, Feb 11, 1983, 2:29 AM PST (10:29 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M1.9 13 km WSW of Greenwater, Washington. This one was a foreshock.

Mossyrock 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
1983-02-11 10:29:48 UTC
Depth
19.2 km (11.9 mi), shallow
Epicenter
46.518° N, 122.579° 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, 0.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
73°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 43 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 1.913 km WSW of Greenwater, Washington · 15928 days ago · 14 km deep · 89 km away
  2. 1.53 km SSW of Puyallup, Washington · 15923 days ago · 21 km deep · 74 km away
  3. 1.921 km S of Morton, Washington · 15919 days ago · 7 km deep · 30 km away
  4. 2.11 km W of Crocker, Washington · 15915 days ago · 9 km deep · 72 km away
  5. 1.938 km S of Morton, Washington · 15911 days ago · -1 km deep · 45 km away
  6. 1.638 km NNE of Amboy, Washington · 15911 days ago · -1 km deep · 46 km away
  7. 1.81 km SSE of Castle Rock, Washington · 15910 days ago · 15 km deep · 37 km away
  8. 1.7Washington · 15909 days ago · 17 km deep · 54 km away
  9. 2.136 km S of Morton, Washington · 15909 days ago · -2 km deep · 43 km away
  10. 1.638 km NNE of Amboy, Washington · 15908 days ago · -1 km deep · 46 km away
  11. 1.537 km NNE of Amboy, Washington · 15908 days ago · -1 km deep · 46 km away
  12. 1.636 km NNE of Amboy, Washington · 15907 days ago · -1 km deep · 47 km away
  13. 1.938 km NNE of Amboy, Washington · 15907 days ago · -2 km deep · 46 km away
  14. 1.538 km NNE of Amboy, Washington · 15907 days ago · -2 km deep · 46 km away
  15. 1.539 km NNE of Amboy, Washington · 15906 days ago · -2 km deep · 46 km away
  16. 1.538 km NNE of Amboy, Washington · 15906 days ago · -2 km deep · 46 km away
  17. 1.638 km NNE of Amboy, Washington · 15904 days ago · -2 km deep · 46 km away
  18. 1.538 km NNE of Amboy, Washington · 15904 days ago · -2 km deep · 45 km away
  19. 2.137 km NNE of Amboy, Washington · 15902 days ago · -1 km deep · 47 km away
  20. 2.17 km S of Onalaska, Washington · 15901 days ago · 22 km deep · 11 km away
  21. 1.621 km ESE of Castle Rock, Washington · 15899 days ago · 13 km deep · 32 km away
  22. 2.921 km ESE of Castle Rock, Washington · 15899 days ago · 14 km deep · 32 km away
  23. 1.624 km S of Morton, Washington · 15896 days ago · 4 km deep · 34 km away
  24. 2.78 km S of Onalaska, Washington · 15896 days ago · 23 km deep · 12 km away
  25. 1.522 km S of Morton, Washington · 15894 days ago · 6 km deep · 32 km away
  26. 2.034 km NE of Amboy, Washington · 15892 days ago · 8 km deep · 59 km away
  27. 1.714 km SSE of Carbonado, Washington · 15886 days ago · 5 km deep · 68 km away
  28. 1.97 km S of Onalaska, Washington · 15884 days ago · 24 km deep · 12 km away
  29. 1.538 km NNE of Amboy, Washington · 15883 days ago · -1 km deep · 46 km away
  30. 2.112 km NW of Morton, Washington · 15882 days ago · 9 km deep · 19 km away
  31. 1.921 km ESE of Castle Rock, Washington · 15880 days ago · 13 km deep · 33 km away
  32. 1.537 km NNE of Amboy, Washington · 15880 days ago · -1 km deep · 44 km away
  33. 2.112 km ESE of Skamokawa Valley, Washington · 15877 days ago · 26 km deep · 57 km away
  34. 1.913 km E of Wilkeson, Washington · 15876 days ago · 9 km deep · 83 km away
  35. 1.538 km NNE of Amboy, Washington · 15875 days ago · -2 km deep · 45 km away
  36. 1.538 km NNE of Amboy, Washington · 15875 days ago · -1 km deep · 46 km away
  37. 1.539 km S of Morton, Washington · 15874 days ago · -2 km deep · 46 km away
  38. 1.538 km S of Morton, Washington · 15874 days ago · -2 km deep · 45 km away
  39. 1.539 km NNE of Amboy, Washington · 15874 days ago · -2 km deep · 46 km away
  40. 1.98 km NE of Mossyrock, Washington · 15874 days ago · 15 km deep · 15 km away
  41. 1.638 km NNE of Amboy, Washington · 15873 days ago · -2 km deep · 46 km away
  42. 1.812 km NW of Packwood, Washington · 15872 days ago · 7 km deep · 62 km away
  43. 1.71 km S of Lakeland North, Washington · 15872 days ago · 1 km deep · 92 km away

Before

  1. 1.66 km E of West Side Highway, Washington · 15930 days ago · 10 km deep · 42 km away
  2. 2.22 km WSW of Chehalis, Washington · 15935 days ago · 51 km deep · 35 km away
  3. 2.235 km NNE of Amboy, Washington · 15936 days ago · 1 km deep · 47 km away
  4. 1.76 km NNW of Woodland, Washington · 15936 days ago · 16 km deep · 64 km away
  5. 1.738 km NNE of Amboy, Washington · 15937 days ago · -1 km deep · 46 km away
  6. 2.09 km ESE of Carbonado, Washington · 15938 days ago · 2 km deep · 78 km away
  7. 1.64 km SSW of Des Moines, Washington · 15938 days ago · 13 km deep · 96 km away
  8. 2.837 km NNE of Amboy, Washington · 15938 days ago · 0 km deep · 46 km away
  9. 2.210 km WSW of Mineral, Washington · 15940 days ago · 17 km deep · 27 km away
  10. 1.911 km WSW of Mineral, Washington · 15940 days ago · 17 km deep · 27 km away
  11. 1.711 km WSW of Mineral, Washington · 15940 days ago · 18 km deep · 27 km away
  12. 1.924 km ESE of Packwood, Washington · 15941 days ago · 5 km deep · 92 km away
  13. 2.611 km WNW of Deer Island, Oregon · 15942 days ago · 19 km deep · 69 km away
  14. 1.6Washington-Oregon border region · 15944 days ago · 9 km deep · 93 km away
  15. 3.06 km E of Carbonado, Washington · 15947 days ago · 6 km deep · 77 km away
  16. 1.924 km S of Morton, Washington · 15953 days ago · 6 km deep · 33 km away
  17. 2.010 km SW of Packwood, Washington · 15953 days ago · 9 km deep · 64 km away
  18. 1.717 km N of Mossyrock, Washington · 15953 days ago · 6 km deep · 20 km away
  19. 2.338 km NNE of Amboy, Washington · 15954 days ago · -2 km deep · 46 km away
  20. 1.62 km ENE of Brush Prairie, Washington · 15957 days ago · 15 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10151163. Read Tue, Sep 22, 2026, 5:17 AM UTC.