Washington earthquakes

M1.6 earthquake 15 km NNE of Ashford, Washington

A magnitude 1.6 earthquake struck 15 km NNE of Ashford, Washington on Sat, Mar 20, 1982, 6:12 PM PST (02:12 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.8 38 km NNE of Amboy, Washington. This one was a foreshock.

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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
1982-03-21 02:12:55 UTC
Depth
8.3 km (5.2 mi), shallow
Epicenter
46.882° N, 121.925° 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, 0.3 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
172°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 103 in the 60 days after this one and 85 in the 30 days before it.

After

  1. 1.537 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 78 km away
  2. 1.838 km NNE of Amboy, Washington · 16257 days ago · 0 km deep · 78 km away
  3. 1.638 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 78 km away
  4. 2.038 km NNE of Amboy, Washington · 16257 days ago · 0 km deep · 78 km away
  5. 2.138 km NNE of Amboy, Washington · 16257 days ago · 0 km deep · 78 km away
  6. 1.637 km NNE of Amboy, Washington · 16256 days ago · 1 km deep · 78 km away
  7. 1.623 km S of Morton, Washington · 16256 days ago · 11 km deep · 65 km away
  8. 1.736 km NE of Amboy, Washington · 16252 days ago · 0 km deep · 80 km away
  9. 2.04 km S of Shoreline, Washington · 16252 days ago · 21 km deep · 98 km away
  10. 1.632 km SSE of Morton, Washington · 16252 days ago · -1 km deep · 67 km away
  11. 2.329 km NNE of Amboy, Washington · 16252 days ago · 5 km deep · 85 km away
  12. 1.923 km S of Morton, Washington · 16251 days ago · 10 km deep · 65 km away
  13. 1.51 km SSE of Parkwood, Washington · 16248 days ago · 22 km deep · 88 km away
  14. 1.525 km S of Morton, Washington · 16247 days ago · 10 km deep · 66 km away
  15. 2.222 km S of Morton, Washington · 16246 days ago · 11 km deep · 64 km away
  16. 1.54 km ESE of Greenwater, Washington · 16245 days ago · 5 km deep · 38 km away
  17. 1.95 km E of Mossyrock, Washington · 16242 days ago · 19 km deep · 54 km away
  18. 1.638 km NNE of Amboy, Washington · 16242 days ago · -1 km deep · 78 km away
  19. 1.538 km S of Morton, Washington · 16242 days ago · -1 km deep · 76 km away
  20. 1.639 km NNE of Amboy, Washington · 16242 days ago · 0 km deep · 77 km away
  21. 1.538 km NNE of Amboy, Washington · 16242 days ago · -1 km deep · 78 km away
  22. 3.338 km S of Morton, Washington · 16242 days ago · -1 km deep · 77 km away
  23. 1.638 km NNE of Amboy, Washington · 16241 days ago · -1 km deep · 78 km away
  24. 2.138 km NNE of Amboy, Washington · 16241 days ago · 0 km deep · 78 km away
  25. 2.038 km NNE of Amboy, Washington · 16240 days ago · -1 km deep · 78 km away
  26. 1.938 km NNE of Amboy, Washington · 16240 days ago · -1 km deep · 78 km away
  27. 2.436 km NNE of Amboy, Washington · 16240 days ago · 0 km deep · 79 km away
  28. 2.14 km SW of Wilderness Rim, Washington · 16237 days ago · 19 km deep · 61 km away
  29. 2.222 km S of Morton, Washington · 16237 days ago · 8 km deep · 63 km away
  30. 2.021 km S of Morton, Washington · 16234 days ago · 11 km deep · 62 km away
  31. 3.40 km NNE of Bainbridge Island, Washington · 16233 days ago · 27 km deep · 95 km away
  32. 1.90 km N of Bainbridge Island, Washington · 16233 days ago · 27 km deep · 95 km away
  33. 2.11 km NNE of Bainbridge Island, Washington · 16232 days ago · 27 km deep · 95 km away
  34. 2.40 km ESE of Bainbridge Island, Washington · 16230 days ago · 22 km deep · 94 km away
  35. 1.726 km S of Morton, Washington · 16229 days ago · 8 km deep · 66 km away
  36. 2.04 km E of Hobart, Washington · 16227 days ago · 72 km deep · 60 km away
  37. 1.74 km ESE of Toledo, Washington · 16227 days ago · 22 km deep · 84 km away
  38. 1.93 km NW of Packwood, Washington · 16225 days ago · 6 km deep · 33 km away
  39. 1.7Washington · 16222 days ago · 0 km deep · 79 km away
  40. 1.727 km E of Castle Rock, Washington · 16222 days ago · 14 km deep · 86 km away
  41. 2.217 km ENE of Packwood, Washington · 16221 days ago · 5 km deep · 40 km away
  42. 2.721 km S of Morton, Washington · 16220 days ago · 8 km deep · 63 km away
  43. 1.5Washington · 16218 days ago · -1 km deep · 58 km away
  44. 1.52 km SE of Dash Point, Washington · 16217 days ago · 18 km deep · 59 km away
  45. 1.62 km SSW of Snoqualmie, Washington · 16216 days ago · 21 km deep · 70 km away
  46. 1.722 km ESE of Packwood, Washington · 16215 days ago · 6 km deep · 56 km away
  47. 1.6Washington · 16213 days ago · -1 km deep · 76 km away
  48. 1.737 km NNE of Amboy, Washington · 16210 days ago · 1 km deep · 78 km away
  49. 1.96 km NE of Tanner, Washington · 16209 days ago · 11 km deep · 72 km away
  50. 1.737 km NNE of Amboy, Washington · 16208 days ago · 1 km deep · 79 km away
  51. 1.638 km NNE of Amboy, Washington · 16206 days ago · 0 km deep · 78 km away
  52. 1.537 km NNE of Amboy, Washington · 16206 days ago · 1 km deep · 79 km away
  53. 1.938 km S of Morton, Washington · 16206 days ago · 0 km deep · 77 km away
  54. 1.738 km NNE of Amboy, Washington · 16205 days ago · 0 km deep · 78 km away
  55. 1.68 km E of Ashford, Washington · 16204 days ago · 2 km deep · 14 km away
  56. 1.99 km E of Ashford, Washington · 16204 days ago · 4 km deep · 13 km away
  57. 1.98 km E of Ashford, Washington · 16203 days ago · 3 km deep · 14 km away
  58. 1.83 km ENE of Tacoma, Washington · 16203 days ago · 21 km deep · 56 km away
  59. 2.038 km NNE of Amboy, Washington · 16203 days ago · 0 km deep · 78 km away
  60. 1.538 km NNE of Amboy, Washington · 16203 days ago · 0 km deep · 78 km away

The first 60 of 103.

Before

  1. 2.423 km S of Morton, Washington · 16257 days ago · 10 km deep · 65 km away
  2. 1.538 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  3. 1.638 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  4. 1.538 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  5. 1.738 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  6. 1.538 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  7. 1.938 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  8. 1.738 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  9. 1.838 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  10. 2.238 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  11. 2.138 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  12. 2.038 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  13. 1.537 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  14. 2.038 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  15. 1.938 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  16. 1.537 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  17. 1.737 km NNE of Amboy, Washington · 16258 days ago · 0 km deep · 79 km away
  18. 1.638 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  19. 2.238 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away
  20. 1.838 km NNE of Amboy, Washington · 16258 days ago · -1 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10138728. Read Tue, Sep 22, 2026, 8:38 PM UTC.