Washington earthquakes

M1.9 earthquake 5 km E of Mossyrock, Washington

A magnitude 1.9 earthquake struck 5 km E of Mossyrock, Washington on Sun, Apr 4, 1982, 7:19 AM PST (15:19 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M3.3 38 km S of Morton, Washington. This one was a foreshock.

Mossyrock 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
1.9 (md), micro
Local time
UTC
1982-04-04 15:19:37 UTC
Depth
18.9 km (11.7 mi), shallow
Epicenter
46.526° N, 122.413° 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
±0.04
Depth from
From location
Station coverage gap
49°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 85 in the 60 days after this one and 81 in the 30 days before it.

After

  1. 1.638 km NNE of Amboy, Washington · 16241 days ago · -1 km deep · 40 km away
  2. 1.538 km S of Morton, Washington · 16241 days ago · -1 km deep · 39 km away
  3. 1.639 km NNE of Amboy, Washington · 16241 days ago · 0 km deep · 39 km away
  4. 1.538 km NNE of Amboy, Washington · 16241 days ago · -1 km deep · 40 km away
  5. 3.338 km S of Morton, Washington · 16241 days ago · -1 km deep · 39 km away
  6. 1.638 km NNE of Amboy, Washington · 16240 days ago · -1 km deep · 40 km away
  7. 2.138 km NNE of Amboy, Washington · 16240 days ago · 0 km deep · 40 km away
  8. 2.010 km ENE of Kalama, Washington · 16240 days ago · 14 km deep · 59 km away
  9. 2.038 km NNE of Amboy, Washington · 16240 days ago · -1 km deep · 40 km away
  10. 1.938 km NNE of Amboy, Washington · 16240 days ago · -1 km deep · 39 km away
  11. 2.436 km NNE of Amboy, Washington · 16239 days ago · 0 km deep · 40 km away
  12. 2.222 km S of Morton, Washington · 16236 days ago · 8 km deep · 23 km away
  13. 2.021 km S of Morton, Washington · 16234 days ago · 11 km deep · 21 km away
  14. 1.726 km S of Morton, Washington · 16229 days ago · 8 km deep · 26 km away
  15. 1.74 km ESE of Toledo, Washington · 16227 days ago · 22 km deep · 32 km away
  16. 1.93 km NW of Packwood, Washington · 16225 days ago · 6 km deep · 56 km away
  17. 1.7Washington · 16222 days ago · 0 km deep · 40 km away
  18. 1.727 km E of Castle Rock, Washington · 16222 days ago · 14 km deep · 33 km away
  19. 2.217 km ENE of Packwood, Washington · 16221 days ago · 5 km deep · 74 km away
  20. 2.721 km S of Morton, Washington · 16220 days ago · 8 km deep · 22 km away
  21. 1.5Washington · 16217 days ago · -1 km deep · 79 km away
  22. 1.52 km SE of Dash Point, Washington · 16216 days ago · 18 km deep · 86 km away
  23. 1.722 km ESE of Packwood, Washington · 16214 days ago · 6 km deep · 78 km away
  24. 1.737 km NNE of Amboy, Washington · 16210 days ago · 1 km deep · 40 km away
  25. 1.737 km NNE of Amboy, Washington · 16207 days ago · 1 km deep · 41 km away
  26. 1.638 km NNE of Amboy, Washington · 16205 days ago · 0 km deep · 40 km away
  27. 1.537 km NNE of Amboy, Washington · 16205 days ago · 1 km deep · 40 km away
  28. 1.938 km S of Morton, Washington · 16205 days ago · 0 km deep · 39 km away
  29. 1.738 km NNE of Amboy, Washington · 16205 days ago · 0 km deep · 40 km away
  30. 1.68 km E of Ashford, Washington · 16204 days ago · 2 km deep · 46 km away
  31. 1.99 km E of Ashford, Washington · 16204 days ago · 4 km deep · 47 km away
  32. 1.98 km E of Ashford, Washington · 16203 days ago · 3 km deep · 46 km away
  33. 1.83 km ENE of Tacoma, Washington · 16203 days ago · 21 km deep · 83 km away
  34. 2.038 km NNE of Amboy, Washington · 16203 days ago · 0 km deep · 40 km away
  35. 1.538 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 39 km away
  36. 1.838 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 40 km away
  37. 1.836 km NNE of Amboy, Washington · 16202 days ago · 1 km deep · 41 km away
  38. 1.838 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 40 km away
  39. 1.838 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 39 km away
  40. 2.238 km NNE of Amboy, Washington · 16202 days ago · -1 km deep · 40 km away
  41. 1.838 km NNE of Amboy, Washington · 16202 days ago · 1 km deep · 39 km away
  42. 1.938 km NNE of Amboy, Washington · 16202 days ago · 0 km deep · 39 km away
  43. 3.038 km NNE of Amboy, Washington · 16202 days ago · 1 km deep · 40 km away
  44. 2.138 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 40 km away
  45. 2.036 km NNE of Amboy, Washington · 16201 days ago · 1 km deep · 40 km away
  46. 2.138 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 40 km away
  47. 1.838 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 40 km away
  48. 2.137 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 40 km away
  49. 1.938 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 39 km away
  50. 2.038 km NNE of Amboy, Washington · 16201 days ago · 1 km deep · 39 km away
  51. 1.838 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 39 km away
  52. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 39 km away
  53. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 39 km away
  54. 2.538 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 40 km away
  55. 2.338 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 40 km away
  56. 2.638 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 39 km away
  57. 2.138 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 40 km away
  58. 2.338 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 39 km away
  59. 2.038 km NNE of Amboy, Washington · 16201 days ago · 0 km deep · 40 km away
  60. 2.038 km NNE of Amboy, Washington · 16201 days ago · -1 km deep · 40 km away

The first 60 of 85.

Before

  1. 1.54 km ESE of Greenwater, Washington · 16244 days ago · 5 km deep · 92 km away
  2. 2.222 km S of Morton, Washington · 16245 days ago · 11 km deep · 23 km away
  3. 1.525 km S of Morton, Washington · 16246 days ago · 10 km deep · 25 km away
  4. 1.923 km S of Morton, Washington · 16251 days ago · 10 km deep · 24 km away
  5. 2.329 km NNE of Amboy, Washington · 16251 days ago · 5 km deep · 41 km away
  6. 1.632 km SSE of Morton, Washington · 16251 days ago · -1 km deep · 35 km away
  7. 1.736 km NE of Amboy, Washington · 16252 days ago · 0 km deep · 42 km away
  8. 1.623 km S of Morton, Washington · 16256 days ago · 11 km deep · 24 km away
  9. 1.637 km NNE of Amboy, Washington · 16256 days ago · 1 km deep · 40 km away
  10. 2.138 km NNE of Amboy, Washington · 16256 days ago · 0 km deep · 39 km away
  11. 2.038 km NNE of Amboy, Washington · 16256 days ago · 0 km deep · 40 km away
  12. 1.638 km NNE of Amboy, Washington · 16256 days ago · -1 km deep · 40 km away
  13. 1.838 km NNE of Amboy, Washington · 16256 days ago · 0 km deep · 41 km away
  14. 1.537 km NNE of Amboy, Washington · 16256 days ago · -1 km deep · 39 km away
  15. 1.615 km NNE of Ashford, Washington · 16256 days ago · 8 km deep · 54 km away
  16. 2.423 km S of Morton, Washington · 16257 days ago · 10 km deep · 24 km away
  17. 1.538 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 40 km away
  18. 1.638 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 40 km away
  19. 1.538 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 40 km away
  20. 1.738 km NNE of Amboy, Washington · 16257 days ago · -1 km deep · 40 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10125608. Read Tue, Sep 22, 2026, 7:41 AM UTC.