Washington earthquakes

M1.7 earthquake 18 km S of Morton, Washington

A magnitude 1.7 earthquake struck 18 km S of Morton, Washington on Tue, Mar 16, 1982, 9:28 AM PST (17:28 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.1 22 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
1.7 (md), micro
Local time
UTC
1982-03-16 17:28:38 UTC
Depth
11.6 km (7.2 mi), shallow
Epicenter
46.388° N, 122.263° 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, 0.5 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
80°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 129 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 2.122 km S of Morton, Washington · 16260 days ago · 10 km deep · 3 km away
  2. 1.638 km NNE of Amboy, Washington · 16260 days ago · -1 km deep · 21 km away
  3. 1.838 km S of Morton, Washington · 16260 days ago · -1 km deep · 20 km away
  4. 1.838 km NNE of Amboy, Washington · 16259 days ago · -1 km deep · 21 km away
  5. 1.638 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  6. 1.538 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 20 km away
  7. 1.537 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  8. 1.738 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  9. 1.838 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  10. 2.611 km E of Yacolt, Washington · 16258 days ago · 7 km deep · 60 km away
  11. 1.638 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  12. 2.238 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  13. 1.938 km NNE of Amboy, Washington · 16258 days ago · 0 km deep · 21 km away
  14. 2.138 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  15. 1.937 km NNE of Amboy, Washington · 16258 days ago · 0 km deep · 21 km away
  16. 2.638 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  17. 1.538 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  18. 1.638 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  19. 2.138 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 21 km away
  20. 2.337 km NNE of Amboy, Washington · 16257 days ago · 0 km deep · 22 km away
  21. 1.838 km NNE of Amboy, Washington · 16257 days ago · 0 km deep · 21 km away
  22. 2.438 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  23. 1.638 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  24. 1.638 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  25. 1.538 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  26. 2.338 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  27. 1.838 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  28. 2.338 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  29. 2.238 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  30. 2.338 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  31. 2.437 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  32. 1.838 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  33. 2.238 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  34. 1.638 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 22 km away
  35. 1.737 km NNE of Amboy, Washington · 16257 days ago · 0 km deep · 22 km away
  36. 1.537 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  37. 1.938 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  38. 2.038 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  39. 1.537 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  40. 2.038 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  41. 2.138 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  42. 2.238 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  43. 1.838 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  44. 1.738 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  45. 1.938 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  46. 1.538 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  47. 1.738 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  48. 1.538 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  49. 1.638 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  50. 1.538 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 21 km away
  51. 2.423 km S of Morton, Washington · 16257 days ago · 10 km deep · 5 km away
  52. 1.615 km NNE of Ashford, Washington · 16256 days ago · 8 km deep · 61 km away
  53. 1.537 km NNE of Amboy, Washington · 16256 days ago · -1 km deep · 21 km away
  54. 1.838 km NNE of Amboy, Washington · 16256 days ago · 0 km deep · 22 km away
  55. 1.638 km NNE of Amboy, Washington · 16256 days ago · -1 km deep · 21 km away
  56. 2.038 km NNE of Amboy, Washington · 16256 days ago · 0 km deep · 21 km away
  57. 2.138 km NNE of Amboy, Washington · 16256 days ago · 0 km deep · 21 km away
  58. 1.637 km NNE of Amboy, Washington · 16255 days ago · 1 km deep · 22 km away
  59. 1.623 km S of Morton, Washington · 16255 days ago · 11 km deep · 5 km away
  60. 1.736 km NE of Amboy, Washington · 16252 days ago · 0 km deep · 23 km away

The first 60 of 129.

Before

  1. 2.637 km NNE of Amboy, Washington · 16261 days ago · -1 km deep · 21 km away
  2. 2.038 km NNE of Amboy, Washington · 16261 days ago · -1 km deep · 21 km away
  3. 1.738 km NNE of Amboy, Washington · 16262 days ago · -1 km deep · 21 km away
  4. 1.737 km NNE of Amboy, Washington · 16262 days ago · -1 km deep · 22 km away
  5. 1.538 km NNE of Amboy, Washington · 16262 days ago · -1 km deep · 21 km away
  6. 1.938 km NNE of Amboy, Washington · 16263 days ago · -1 km deep · 21 km away
  7. 1.538 km NNE of Amboy, Washington · 16263 days ago · -1 km deep · 21 km away
  8. 1.94 km SW of Crocker, Washington · 16263 days ago · 71 km deep · 74 km away
  9. 1.638 km NNE of Amboy, Washington · 16264 days ago · -1 km deep · 21 km away
  10. 1.538 km S of Morton, Washington · 16265 days ago · -1 km deep · 20 km away
  11. 2.43 km NE of Mineral, Washington · 16267 days ago · 16 km deep · 40 km away
  12. 2.624 km S of Morton, Washington · 16270 days ago · 10 km deep · 6 km away
  13. 2.18 km E of Ashford, Washington · 16273 days ago · 6 km deep · 50 km away
  14. 1.923 km S of Morton, Washington · 16274 days ago · 10 km deep · 5 km away
  15. 1.823 km S of Morton, Washington · 16274 days ago · 11 km deep · 5 km away
  16. 1.524 km S of Morton, Washington · 16274 days ago · 10 km deep · 5 km away
  17. 2.12 km NE of Amboy, Washington · 16274 days ago · 11 km deep · 52 km away
  18. 1.615 km E of Wilkeson, Washington · 16275 days ago · 7 km deep · 84 km away
  19. 1.823 km S of Morton, Washington · 16275 days ago · 10 km deep · 5 km away
  20. 2.024 km S of Morton, Washington · 16275 days ago · 10 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10133823. Read Tue, Sep 22, 2026, 3:28 AM UTC.