Washington earthquakes

M1.9 earthquake 3 km NW of Packwood, Washington

A magnitude 1.9 earthquake struck 3 km NW of Packwood, Washington on Wed, Apr 21, 1982, 3:00 AM PST (11:00 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.2 17 km ENE of Packwood, 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
1982-04-21 11:00:03 UTC
Depth
5.7 km (3.5 mi), shallow
Epicenter
46.628° N, 121.698° 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, 0.5 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
69°
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: 79 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 1.7Washington · 16222 days ago · 0 km deep · 61 km away
  2. 1.727 km E of Castle Rock, Washington · 16222 days ago · 14 km deep · 78 km away
  3. 2.217 km ENE of Packwood, Washington · 16221 days ago · 5 km deep · 18 km away
  4. 2.721 km S of Morton, Washington · 16220 days ago · 8 km deep · 52 km away
  5. 1.5Washington · 16217 days ago · -1 km deep · 27 km away
  6. 1.52 km SE of Dash Point, Washington · 16216 days ago · 18 km deep · 92 km away
  7. 1.62 km SSW of Snoqualmie, Washington · 16216 days ago · 21 km deep · 98 km away
  8. 1.722 km ESE of Packwood, Washington · 16214 days ago · 6 km deep · 26 km away
  9. 1.737 km NNE of Amboy, Washington · 16210 days ago · 1 km deep · 61 km away
  10. 1.96 km NE of Tanner, Washington · 16209 days ago · 11 km deep · 98 km away
  11. 1.737 km NNE of Amboy, Washington · 16207 days ago · 1 km deep · 61 km away
  12. 1.638 km NNE of Amboy, Washington · 16206 days ago · 0 km deep · 60 km away
  13. 1.537 km NNE of Amboy, Washington · 16205 days ago · 1 km deep · 61 km away
  14. 1.938 km S of Morton, Washington · 16205 days ago · 0 km deep · 59 km away
  15. 1.738 km NNE of Amboy, Washington · 16205 days ago · 0 km deep · 60 km away
  16. 1.68 km E of Ashford, Washington · 16204 days ago · 2 km deep · 22 km away
  17. 1.99 km E of Ashford, Washington · 16204 days ago · 4 km deep · 22 km away
  18. 1.98 km E of Ashford, Washington · 16203 days ago · 3 km deep · 22 km away
  19. 1.83 km ENE of Tacoma, Washington · 16203 days ago · 21 km deep · 89 km away
  20. 2.038 km NNE of Amboy, Washington · 16203 days ago · 0 km deep · 60 km away
  21. 1.538 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 60 km away
  22. 1.838 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 60 km away
  23. 1.836 km NNE of Amboy, Washington · 16202 days ago · 1 km deep · 62 km away
  24. 1.838 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 60 km away
  25. 1.838 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 60 km away
  26. 2.238 km NNE of Amboy, Washington · 16202 days ago · -1 km deep · 60 km away
  27. 1.838 km NNE of Amboy, Washington · 16202 days ago · 1 km deep · 60 km away
  28. 1.938 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 60 km away
  29. 3.038 km NNE of Amboy, Washington · 16202 days ago · 1 km deep · 61 km away
  30. 2.138 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 61 km away
  31. 2.036 km NNE of Amboy, Washington · 16201 days ago · 1 km deep · 62 km away
  32. 2.138 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 60 km away
  33. 1.838 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 61 km away
  34. 2.137 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 61 km away
  35. 1.938 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 60 km away
  36. 2.038 km NNE of Amboy, Washington · 16201 days ago · 1 km deep · 61 km away
  37. 1.838 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 60 km away
  38. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 60 km away
  39. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 60 km away
  40. 2.538 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 60 km away
  41. 2.338 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 60 km away
  42. 2.638 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 60 km away
  43. 2.138 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 60 km away
  44. 2.338 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 60 km away
  45. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 60 km away
  46. 2.038 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 60 km away
  47. 1.838 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 60 km away
  48. 2.336 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 62 km away
  49. 1.838 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 60 km away
  50. 1.738 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 61 km away
  51. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 61 km away
  52. 1.537 km NNE of Amboy, Washington · 16201 days ago · 1 km deep · 61 km away
  53. 1.838 km NNE of Amboy, Washington · 16200 days ago · 0 km deep · 61 km away
  54. 1.837 km NNE of Amboy, Washington · 16200 days ago · -1 km deep · 61 km away
  55. 1.938 km NNE of Amboy, Washington · 16200 days ago · 0 km deep · 60 km away
  56. 1.938 km NNE of Amboy, Washington · 16200 days ago · -1 km deep · 60 km away
  57. 2.037 km NNE of Amboy, Washington · 16200 days ago · 0 km deep · 61 km away
  58. 2.338 km NNE of Amboy, Washington · 16200 days ago · -1 km deep · 60 km away
  59. 1.736 km NNE of Amboy, Washington · 16200 days ago · -1 km deep · 62 km away
  60. 2.139 km NNE of Amboy, Washington · 16200 days ago · 0 km deep · 60 km away

The first 60 of 79.

Before

  1. 1.74 km ESE of Toledo, Washington · 16227 days ago · 22 km deep · 87 km away
  2. 2.04 km E of Hobart, Washington · 16227 days ago · 72 km deep · 90 km away
  3. 1.726 km S of Morton, Washington · 16229 days ago · 8 km deep · 53 km away
  4. 2.021 km S of Morton, Washington · 16234 days ago · 11 km deep · 51 km away
  5. 2.222 km S of Morton, Washington · 16236 days ago · 8 km deep · 52 km away
  6. 2.14 km SW of Wilderness Rim, Washington · 16237 days ago · 19 km deep · 88 km away
  7. 2.436 km NNE of Amboy, Washington · 16239 days ago · 0 km deep · 62 km away
  8. 1.938 km NNE of Amboy, Washington · 16240 days ago · -1 km deep · 60 km away
  9. 2.038 km NNE of Amboy, Washington · 16240 days ago · -1 km deep · 60 km away
  10. 2.138 km NNE of Amboy, Washington · 16240 days ago · 0 km deep · 60 km away
  11. 1.638 km NNE of Amboy, Washington · 16240 days ago · -1 km deep · 60 km away
  12. 1.68 km NNW of Selah, Washington · 16241 days ago · 13 km deep · 88 km away
  13. 3.338 km S of Morton, Washington · 16241 days ago · -1 km deep · 59 km away
  14. 1.538 km NNE of Amboy, Washington · 16241 days ago · -1 km deep · 60 km away
  15. 1.639 km NNE of Amboy, Washington · 16241 days ago · 0 km deep · 60 km away
  16. 1.538 km S of Morton, Washington · 16241 days ago · -1 km deep · 58 km away
  17. 1.638 km NNE of Amboy, Washington · 16241 days ago · -1 km deep · 60 km away
  18. 1.95 km E of Mossyrock, Washington · 16242 days ago · 19 km deep · 56 km away
  19. 1.54 km ESE of Greenwater, Washington · 16244 days ago · 5 km deep · 57 km away
  20. 2.222 km S of Morton, Washington · 16245 days ago · 11 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10129918. Read Tue, Sep 22, 2026, 8:03 AM UTC.