Washington earthquakes

M1.8 earthquake 38 km S of Morton, Washington

A magnitude 1.8 earthquake struck 38 km S of Morton, Washington on Wed, Feb 8, 1984, 3:28 AM PST (11:28 UTC), -2 km (-1 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
1.8 (md), micro
Local time
UTC
1984-02-08 11:28:21 UTC
Depth
-1.5 km (-0.9 mi), shallow
Epicenter
46.215° N, 122.185° 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, 3.8 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
220°, poorly surrounded by stations
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: 193 in the 60 days after this one and 93 in the 30 days before it.

After

  1. 1.938 km NNE of Amboy, Washington · 15576 days ago · -1 km deep · 1 km away
  2. 1.538 km NNE of Amboy, Washington · 15575 days ago · -2 km deep · 1 km away
  3. 1.738 km NNE of Amboy, Washington · 15573 days ago · 0 km deep · 1 km away
  4. 2.238 km NNE of Amboy, Washington · 15573 days ago · -1 km deep · 1 km away
  5. 2.31 km SSW of Crocker, Washington · 15572 days ago · 11 km deep · 95 km away
  6. 1.938 km NNE of Amboy, Washington · 15572 days ago · -1 km deep · 1 km away
  7. 2.137 km NNE of Amboy, Washington · 15572 days ago · 0 km deep · 2 km away
  8. 1.623 km S of Morton, Washington · 15572 days ago · 11 km deep · 15 km away
  9. 1.638 km NNE of Amboy, Washington · 15571 days ago · -1 km deep · 1 km away
  10. 1.738 km NNE of Amboy, Washington · 15571 days ago · 0 km deep · 1 km away
  11. 1.823 km ESE of Packwood, Washington · 15570 days ago · 3 km deep · 70 km away
  12. 1.520 km S of Morton, Washington · 15568 days ago · 15 km deep · 19 km away
  13. 1.838 km NNE of Amboy, Washington · 15564 days ago · 0 km deep · 2 km away
  14. 2.538 km NNE of Amboy, Washington · 15561 days ago · -1 km deep · 1 km away
  15. 2.010 km WSW of Ryderwood, Washington · 15560 days ago · 17 km deep · 78 km away
  16. 1.511 km NNE of Ashford, Washington · 15548 days ago · 11 km deep · 73 km away
  17. 1.838 km NNE of Amboy, Washington · 15540 days ago · -1 km deep · 1 km away
  18. 1.9Washington-Oregon border region · 15539 days ago · 0 km deep · 95 km away
  19. 1.9Washington · 15539 days ago · -1 km deep · 70 km away
  20. 1.624 km S of Morton, Washington · 15536 days ago · 10 km deep · 15 km away
  21. 2.538 km NNE of Amboy, Washington · 15535 days ago · -1 km deep · 1 km away
  22. 1.538 km NNE of Amboy, Washington · 15534 days ago · -2 km deep · 1 km away
  23. 2.01 km W of Wilkeson, Washington · 15534 days ago · 5 km deep · 99 km away
  24. 1.538 km NNE of Amboy, Washington · 15533 days ago · -2 km deep · 1 km away
  25. 1.738 km NNE of Amboy, Washington · 15533 days ago · -1 km deep · 1 km away
  26. 1.538 km NNE of Amboy, Washington · 15533 days ago · -1 km deep · 1 km away
  27. 1.738 km NNE of Amboy, Washington · 15532 days ago · -1 km deep · 1 km away
  28. 1.638 km NNE of Amboy, Washington · 15532 days ago · -2 km deep · 1 km away
  29. 1.638 km NNE of Amboy, Washington · 15532 days ago · -2 km deep · 1 km away
  30. 2.138 km NNE of Amboy, Washington · 15532 days ago · -1 km deep · 1 km away
  31. 2.338 km NNE of Amboy, Washington · 15531 days ago · -2 km deep · 1 km away
  32. 1.838 km NNE of Amboy, Washington · 15530 days ago · -1 km deep · 1 km away
  33. 1.738 km NNE of Amboy, Washington · 15530 days ago · -1 km deep · 1 km away
  34. 2.138 km NNE of Amboy, Washington · 15530 days ago · 0 km deep · 1 km away
  35. 2.023 km ENE of Ashford, Washington · 15529 days ago · 4 km deep · 78 km away
  36. 1.538 km NNE of Amboy, Washington · 15529 days ago · -1 km deep · 1 km away
  37. 1.738 km NNE of Amboy, Washington · 15529 days ago · 0 km deep · 1 km away
  38. 1.838 km NNE of Amboy, Washington · 15529 days ago · -1 km deep · 1 km away
  39. 1.6Washington · 15528 days ago · -1 km deep · 1 km away
  40. 1.638 km NNE of Amboy, Washington · 15528 days ago · -2 km deep · 1 km away
  41. 1.838 km NNE of Amboy, Washington · 15528 days ago · -2 km deep · 1 km away
  42. 1.638 km NNE of Amboy, Washington · 15528 days ago · -2 km deep · 1 km away
  43. 1.838 km NNE of Amboy, Washington · 15528 days ago · -2 km deep · 1 km away
  44. 1.538 km NNE of Amboy, Washington · 15528 days ago · -1 km deep · 1 km away
  45. 1.638 km NNE of Amboy, Washington · 15528 days ago · -1 km deep · 1 km away
  46. 1.538 km NNE of Amboy, Washington · 15528 days ago · -1 km deep · 1 km away
  47. 1.838 km NNE of Amboy, Washington · 15528 days ago · -1 km deep · 1 km away
  48. 1.8Washington · 15528 days ago · -2 km deep · 1 km away
  49. 1.638 km NNE of Amboy, Washington · 15527 days ago · -2 km deep · 1 km away
  50. 1.838 km NNE of Amboy, Washington · 15527 days ago · -1 km deep · 1 km away
  51. 1.538 km NNE of Amboy, Washington · 15527 days ago · -1 km deep · 1 km away
  52. 2.138 km NNE of Amboy, Washington · 15527 days ago · -2 km deep · 1 km away
  53. 1.538 km NNE of Amboy, Washington · 15527 days ago · -1 km deep · 1 km away
  54. 1.838 km NNE of Amboy, Washington · 15527 days ago · -2 km deep · 1 km away
  55. 2.038 km NNE of Amboy, Washington · 15527 days ago · -1 km deep · 2 km away
  56. 1.638 km NNE of Amboy, Washington · 15527 days ago · -1 km deep · 1 km away
  57. 1.738 km NNE of Amboy, Washington · 15527 days ago · -2 km deep · 1 km away
  58. 1.538 km NNE of Amboy, Washington · 15527 days ago · -1 km deep · 1 km away
  59. 1.638 km NNE of Amboy, Washington · 15527 days ago · -1 km deep · 1 km away
  60. 1.638 km NNE of Amboy, Washington · 15527 days ago · -1 km deep · 1 km away

The first 60 of 193.

Before

  1. 1.738 km NNE of Amboy, Washington · 15576 days ago · -1 km deep · 2 km away
  2. 2.039 km NNE of Amboy, Washington · 15576 days ago · -1 km deep · 1 km away
  3. 2.137 km NNE of Amboy, Washington · 15576 days ago · -2 km deep · 2 km away
  4. 2.038 km NNE of Amboy, Washington · 15576 days ago · -2 km deep · 2 km away
  5. 2.038 km NNE of Amboy, Washington · 15576 days ago · -1 km deep · 1 km away
  6. 1.838 km NNE of Amboy, Washington · 15576 days ago · -1 km deep · 1 km away
  7. 1.937 km NNE of Amboy, Washington · 15576 days ago · -2 km deep · 2 km away
  8. 2.238 km NNE of Amboy, Washington · 15576 days ago · -2 km deep · 1 km away
  9. 2.338 km NNE of Amboy, Washington · 15576 days ago · -2 km deep · 2 km away
  10. 1.738 km NNE of Amboy, Washington · 15576 days ago · -2 km deep · 1 km away
  11. 2.138 km NNE of Amboy, Washington · 15577 days ago · -2 km deep · 1 km away
  12. 2.038 km NNE of Amboy, Washington · 15577 days ago · 0 km deep · 1 km away
  13. 1.638 km NNE of Amboy, Washington · 15577 days ago · -2 km deep · 1 km away
  14. 1.738 km NNE of Amboy, Washington · 15577 days ago · -1 km deep · 1 km away
  15. 1.938 km NNE of Amboy, Washington · 15577 days ago · -2 km deep · 1 km away
  16. 2.838 km NNE of Amboy, Washington · 15577 days ago · -1 km deep · 1 km away
  17. 1.538 km S of Morton, Washington · 15577 days ago · -2 km deep · 1 km away
  18. 1.638 km NNE of Amboy, Washington · 15577 days ago · -2 km deep · 1 km away
  19. 1.538 km NNE of Amboy, Washington · 15577 days ago · -2 km deep · 1 km away
  20. 1.638 km NNE of Amboy, Washington · 15577 days ago · -2 km deep · 1 km away

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From the USGS Earthquake Hazards Program and its partner networks, event uw10176588. Read Thu, Oct 1, 2026, 1:05 AM UTC.