Washington earthquakes

M2.7 earthquake 21 km S of Morton, Washington

A magnitude 2.7 earthquake struck 21 km S of Morton, Washington on Mon, Apr 26, 1982, 5:26 AM PDT (12:26 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.0 38 km NNE of Amboy, 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
2.7 (md), micro
Local time
UTC
1982-04-26 12:26:39 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
46.363° N, 122.251° 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 0.3 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
48°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 71 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 1.5Washington · 16217 days ago · -1 km deep · 69 km away
  2. 1.722 km ESE of Packwood, Washington · 16214 days ago · 6 km deep · 69 km away
  3. 1.737 km NNE of Amboy, Washington · 16210 days ago · 1 km deep · 19 km away
  4. 1.737 km NNE of Amboy, Washington · 16207 days ago · 1 km deep · 20 km away
  5. 1.638 km NNE of Amboy, Washington · 16206 days ago · 0 km deep · 18 km away
  6. 1.537 km NNE of Amboy, Washington · 16205 days ago · 1 km deep · 19 km away
  7. 1.938 km S of Morton, Washington · 16205 days ago · 0 km deep · 17 km away
  8. 1.738 km NNE of Amboy, Washington · 16205 days ago · 0 km deep · 19 km away
  9. 1.68 km E of Ashford, Washington · 16204 days ago · 2 km deep · 50 km away
  10. 1.99 km E of Ashford, Washington · 16204 days ago · 4 km deep · 52 km away
  11. 1.98 km E of Ashford, Washington · 16203 days ago · 3 km deep · 50 km away
  12. 2.038 km NNE of Amboy, Washington · 16203 days ago · 0 km deep · 18 km away
  13. 1.538 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 18 km away
  14. 1.838 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 18 km away
  15. 1.836 km NNE of Amboy, Washington · 16202 days ago · 1 km deep · 20 km away
  16. 1.838 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 19 km away
  17. 1.838 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 18 km away
  18. 2.238 km NNE of Amboy, Washington · 16202 days ago · -1 km deep · 18 km away
  19. 1.838 km NNE of Amboy, Washington · 16202 days ago · 1 km deep · 17 km away
  20. 1.938 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 18 km away
  21. 3.038 km NNE of Amboy, Washington · 16202 days ago · 1 km deep · 18 km away
  22. 2.138 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 18 km away
  23. 2.036 km NNE of Amboy, Washington · 16201 days ago · 1 km deep · 19 km away
  24. 2.138 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  25. 1.838 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  26. 2.137 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  27. 1.938 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 18 km away
  28. 2.038 km NNE of Amboy, Washington · 16201 days ago · 1 km deep · 18 km away
  29. 1.838 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  30. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  31. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  32. 2.538 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  33. 2.338 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  34. 2.638 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  35. 2.138 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  36. 2.338 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  37. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  38. 2.038 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 18 km away
  39. 1.838 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 17 km away
  40. 2.336 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 19 km away
  41. 1.838 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 18 km away
  42. 1.738 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  43. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 18 km away
  44. 1.537 km NNE of Amboy, Washington · 16201 days ago · 1 km deep · 19 km away
  45. 1.838 km NNE of Amboy, Washington · 16200 days ago · 0 km deep · 18 km away
  46. 1.837 km NNE of Amboy, Washington · 16200 days ago · -1 km deep · 19 km away
  47. 1.938 km NNE of Amboy, Washington · 16200 days ago · 0 km deep · 18 km away
  48. 1.938 km NNE of Amboy, Washington · 16200 days ago · -1 km deep · 18 km away
  49. 2.037 km NNE of Amboy, Washington · 16200 days ago · 0 km deep · 19 km away
  50. 2.338 km NNE of Amboy, Washington · 16200 days ago · -1 km deep · 17 km away
  51. 1.736 km NNE of Amboy, Washington · 16200 days ago · -1 km deep · 18 km away
  52. 2.139 km NNE of Amboy, Washington · 16200 days ago · 0 km deep · 18 km away
  53. 1.67 km ESE of McKenna, Washington · 16200 days ago · 22 km deep · 64 km away
  54. 1.638 km NNE of Amboy, Washington · 16199 days ago · 0 km deep · 18 km away
  55. 1.637 km NNE of Amboy, Washington · 16199 days ago · -1 km deep · 19 km away
  56. 1.823 km S of Morton, Washington · 16190 days ago · 11 km deep · 2 km away
  57. 1.82 km NE of Brush Prairie, Washington · 16189 days ago · 14 km deep · 72 km away
  58. 1.723 km S of Morton, Washington · 16189 days ago · 6 km deep · 2 km away
  59. 1.723 km S of Morton, Washington · 16188 days ago · 10 km deep · 2 km away
  60. 3.024 km S of Morton, Washington · 16185 days ago · 11 km deep · 2 km away

The first 60 of 71.

Before

  1. 2.217 km ENE of Packwood, Washington · 16221 days ago · 5 km deep · 69 km away
  2. 1.727 km E of Castle Rock, Washington · 16222 days ago · 14 km deep · 27 km away
  3. 1.7Washington · 16222 days ago · 0 km deep · 18 km away
  4. 1.93 km NW of Packwood, Washington · 16225 days ago · 6 km deep · 52 km away
  5. 1.74 km ESE of Toledo, Washington · 16227 days ago · 22 km deep · 42 km away
  6. 1.726 km S of Morton, Washington · 16229 days ago · 8 km deep · 4 km away
  7. 2.021 km S of Morton, Washington · 16234 days ago · 11 km deep · 1 km away
  8. 2.222 km S of Morton, Washington · 16236 days ago · 8 km deep · 1 km away
  9. 2.436 km NNE of Amboy, Washington · 16239 days ago · 0 km deep · 19 km away
  10. 1.938 km NNE of Amboy, Washington · 16240 days ago · -1 km deep · 18 km away
  11. 2.038 km NNE of Amboy, Washington · 16240 days ago · -1 km deep · 18 km away
  12. 2.010 km ENE of Kalama, Washington · 16240 days ago · 14 km deep · 50 km away
  13. 2.138 km NNE of Amboy, Washington · 16240 days ago · 0 km deep · 18 km away
  14. 1.638 km NNE of Amboy, Washington · 16241 days ago · -1 km deep · 19 km away
  15. 3.338 km S of Morton, Washington · 16241 days ago · -1 km deep · 17 km away
  16. 1.538 km NNE of Amboy, Washington · 16241 days ago · -1 km deep · 18 km away
  17. 1.639 km NNE of Amboy, Washington · 16241 days ago · 0 km deep · 18 km away
  18. 1.538 km S of Morton, Washington · 16241 days ago · -1 km deep · 17 km away
  19. 1.638 km NNE of Amboy, Washington · 16241 days ago · -1 km deep · 18 km away
  20. 1.95 km E of Mossyrock, Washington · 16242 days ago · 19 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10130858. Read Tue, Sep 22, 2026, 8:36 AM UTC.