Washington earthquakes

M1.8 earthquake 12 km NW of Packwood, Washington

A magnitude 1.8 earthquake struck 12 km NW of Packwood, Washington on Fri, Apr 8, 1983, 7:52 PM PST (03:52 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.8 12 km S of Snoqualmie Pass, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.8 (md), micro
Local time
UTC
1983-04-09 03:52:19 UTC
Depth
7.2 km (4.4 mi), shallow
Epicenter
46.679° N, 121.803° 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, 0.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
64°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 1.71 km S of Lakeland North, Washington · 15880 days ago · 1 km deep · 80 km away
  2. 1.522 km S of Morton, Washington · 15876 days ago · 9 km deep · 49 km away
  3. 2.021 km S of Morton, Washington · 15876 days ago · 7 km deep · 48 km away
  4. 1.638 km NNE of Amboy, Washington · 15876 days ago · 0 km deep · 60 km away
  5. 1.539 km NNE of Amboy, Washington · 15876 days ago · -2 km deep · 60 km away
  6. 1.538 km NNE of Amboy, Washington · 15875 days ago · -2 km deep · 60 km away
  7. 1.538 km NNE of Amboy, Washington · 15875 days ago · 0 km deep · 60 km away
  8. 1.637 km NNE of Amboy, Washington · 15874 days ago · 0 km deep · 61 km away
  9. 1.538 km NNE of Amboy, Washington · 15874 days ago · -2 km deep · 60 km away
  10. 1.538 km NNE of Amboy, Washington · 15874 days ago · -2 km deep · 60 km away
  11. 1.738 km NNE of Amboy, Washington · 15873 days ago · -2 km deep · 60 km away
  12. 1.638 km NNE of Amboy, Washington · 15873 days ago · -2 km deep · 61 km away
  13. 1.538 km NNE of Amboy, Washington · 15872 days ago · -2 km deep · 60 km away
  14. 1.638 km NNE of Amboy, Washington · 15871 days ago · -2 km deep · 60 km away
  15. 1.738 km NNE of Amboy, Washington · 15870 days ago · -2 km deep · 60 km away
  16. 1.538 km NNE of Amboy, Washington · 15870 days ago · 1 km deep · 61 km away
  17. 2.322 km S of Morton, Washington · 15869 days ago · 8 km deep · 49 km away
  18. 2.322 km S of Morton, Washington · 15869 days ago · 8 km deep · 49 km away
  19. 1.738 km NNE of Amboy, Washington · 15867 days ago · -2 km deep · 60 km away
  20. 1.938 km NNE of Amboy, Washington · 15867 days ago · -2 km deep · 60 km away
  21. 1.716 km SSW of Greenwater, Washington · 15867 days ago · -1 km deep · 38 km away
  22. 1.637 km NNE of Amboy, Washington · 15867 days ago · 0 km deep · 61 km away
  23. 2.039 km NNE of Amboy, Washington · 15865 days ago · -2 km deep · 60 km away
  24. 2.724 km ESE of Packwood, Washington · 15865 days ago · 4 km deep · 37 km away
  25. 1.539 km NNE of Amboy, Washington · 15863 days ago · -2 km deep · 60 km away
  26. 1.738 km NNE of Amboy, Washington · 15862 days ago · -1 km deep · 60 km away
  27. 1.921 km SSE of Greenwater, Washington · 15861 days ago · 6 km deep · 42 km away
  28. 2.138 km NNE of Amboy, Washington · 15861 days ago · -2 km deep · 60 km away
  29. 1.638 km NNE of Amboy, Washington · 15859 days ago · -2 km deep · 60 km away
  30. 1.538 km NNE of Amboy, Washington · 15859 days ago · -2 km deep · 60 km away
  31. 1.639 km NNE of Amboy, Washington · 15859 days ago · -2 km deep · 60 km away
  32. 1.538 km NNE of Amboy, Washington · 15859 days ago · -2 km deep · 61 km away
  33. 1.521 km SE of Greenwater, Washington · 15858 days ago · 6 km deep · 43 km away
  34. 1.61 km E of Maple Valley, Washington · 15857 days ago · 13 km deep · 81 km away
  35. 1.538 km NNE of Amboy, Washington · 15857 days ago · -1 km deep · 60 km away
  36. 1.638 km NNE of Amboy, Washington · 15855 days ago · -2 km deep · 61 km away
  37. 1.838 km NNE of Amboy, Washington · 15853 days ago · -2 km deep · 61 km away
  38. 2.322 km S of Morton, Washington · 15853 days ago · 6 km deep · 48 km away
  39. 2.29 km WNW of Snoqualmie Pass, Washington · 15852 days ago · 9 km deep · 86 km away
  40. 1.90 km SW of Lakeland South, Washington · 15851 days ago · 15 km deep · 76 km away
  41. 2.022 km SE of Greenwater, Washington · 15850 days ago · 6 km deep · 43 km away
  42. 1.938 km NNE of Amboy, Washington · 15850 days ago · -2 km deep · 61 km away
  43. 1.939 km NNE of Amboy, Washington · 15849 days ago · -2 km deep · 60 km away
  44. 2.037 km NNE of Amboy, Washington · 15849 days ago · 0 km deep · 61 km away
  45. 1.838 km NNE of Amboy, Washington · 15848 days ago · -2 km deep · 61 km away
  46. 1.57 km ENE of Ashford, Washington · 15847 days ago · 5 km deep · 15 km away
  47. 1.638 km NNE of Amboy, Washington · 15847 days ago · -2 km deep · 60 km away
  48. 1.711 km WSW of Tieton, Washington · 15847 days ago · 0 km deep · 69 km away
  49. 1.638 km NNE of Amboy, Washington · 15847 days ago · -2 km deep · 60 km away
  50. 1.838 km NNE of Amboy, Washington · 15846 days ago · -2 km deep · 60 km away
  51. 1.738 km NNE of Amboy, Washington · 15846 days ago · 0 km deep · 60 km away
  52. 1.838 km NNE of Amboy, Washington · 15845 days ago · -2 km deep · 61 km away
  53. 1.939 km NNE of Amboy, Washington · 15845 days ago · -1 km deep · 60 km away
  54. 1.838 km NNE of Amboy, Washington · 15844 days ago · -1 km deep · 60 km away
  55. 2.038 km NNE of Amboy, Washington · 15844 days ago · -2 km deep · 60 km away
  56. 2.339 km NNE of Amboy, Washington · 15844 days ago · -2 km deep · 60 km away
  57. 2.138 km NNE of Amboy, Washington · 15843 days ago · -2 km deep · 60 km away
  58. 1.838 km NNE of Amboy, Washington · 15842 days ago · -1 km deep · 60 km away
  59. 1.738 km NNE of Amboy, Washington · 15842 days ago · -2 km deep · 61 km away
  60. 2.137 km NNE of Amboy, Washington · 15842 days ago · -2 km deep · 62 km away

The first 60 of 100.

Before

  1. 1.638 km NNE of Amboy, Washington · 15881 days ago · -2 km deep · 60 km away
  2. 1.98 km NE of Mossyrock, Washington · 15882 days ago · 15 km deep · 48 km away
  3. 1.539 km NNE of Amboy, Washington · 15882 days ago · -2 km deep · 60 km away
  4. 1.538 km S of Morton, Washington · 15882 days ago · -2 km deep · 59 km away
  5. 1.539 km S of Morton, Washington · 15882 days ago · -2 km deep · 59 km away
  6. 1.97 km NE of North Bend, Washington · 15882 days ago · -1 km deep · 97 km away
  7. 1.538 km NNE of Amboy, Washington · 15883 days ago · -1 km deep · 60 km away
  8. 1.538 km NNE of Amboy, Washington · 15883 days ago · -2 km deep · 60 km away
  9. 1.913 km E of Wilkeson, Washington · 15884 days ago · 9 km deep · 45 km away
  10. 1.537 km NNE of Amboy, Washington · 15888 days ago · -1 km deep · 61 km away
  11. 1.921 km ESE of Castle Rock, Washington · 15888 days ago · 13 km deep · 81 km away
  12. 2.112 km NW of Morton, Washington · 15890 days ago · 9 km deep · 46 km away
  13. 1.538 km NNE of Amboy, Washington · 15891 days ago · -1 km deep · 61 km away
  14. 1.97 km S of Onalaska, Washington · 15892 days ago · 24 km deep · 73 km away
  15. 1.714 km SSE of Carbonado, Washington · 15894 days ago · 5 km deep · 34 km away
  16. 1.82 km ESE of Wilderness Rim, Washington · 15896 days ago · 2 km deep · 84 km away
  17. 1.83 km ESE of Wilderness Rim, Washington · 15896 days ago · 1 km deep · 84 km away
  18. 2.034 km NE of Amboy, Washington · 15900 days ago · 8 km deep · 68 km away
  19. 1.522 km S of Morton, Washington · 15902 days ago · 6 km deep · 49 km away
  20. 2.78 km S of Onalaska, Washington · 15904 days ago · 23 km deep · 73 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10155868. Read Wed, Sep 30, 2026, 5:16 AM UTC.