Washington earthquakes

M4.0 earthquake Washington

A magnitude 4.0 earthquake struck in Washington on Sun, Apr 27, 1980, 5:34 AM PDT (12:34 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M5.7 38 km NNE of Amboy, Washington. This one was a foreshock.

Amboy 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
4.0 (md), light
Local time
UTC
1980-04-27 12:34:37 UTC
Depth
-0.8 km (-0.5 mi), shallow
Epicenter
46.208° N, 122.188° 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 0.0 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
58°
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: 197 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 4.2Washington · 16953 days ago · 0 km deep · 1 km away
  2. 3.937 km NNE of Amboy, Washington · 16953 days ago · -1 km deep · 1 km away
  3. 3.938 km NNE of Amboy, Washington · 16953 days ago · -1 km deep · 1 km away
  4. 3.938 km NNE of Amboy, Washington · 16953 days ago · -1 km deep · 1 km away
  5. 3.938 km NNE of Amboy, Washington · 16953 days ago · -1 km deep · 0 km away
  6. 4.938 km NNE of Amboy, Washington · 16953 days ago · 1 km deep · 0 km away
  7. 3.6Washington · 16953 days ago · -1 km deep · 1 km away
  8. 4.438 km S of Morton, Washington · 16953 days ago · -1 km deep · 1 km away
  9. 3.838 km NNE of Amboy, Washington · 16953 days ago · -1 km deep · 0 km away
  10. 2.738 km NNE of Amboy, Washington · 16953 days ago · 0 km deep · 1 km away
  11. 4.037 km NNE of Amboy, Washington · 16952 days ago · -1 km deep · 1 km away
  12. 3.839 km S of Morton, Washington · 16952 days ago · -1 km deep · 1 km away
  13. 4.138 km NNE of Amboy, Washington · 16952 days ago · -1 km deep · 0 km away
  14. 4.138 km NNE of Amboy, Washington · 16952 days ago · 0 km deep · 1 km away
  15. 3.839 km S of Morton, Washington · 16952 days ago · -1 km deep · 1 km away
  16. 3.238 km NNE of Amboy, Washington · 16952 days ago · 1 km deep · 0 km away
  17. 3.938 km NNE of Amboy, Washington · 16952 days ago · -1 km deep · 0 km away
  18. 3.438 km NNE of Amboy, Washington · 16952 days ago · -1 km deep · 1 km away
  19. 4.138 km NNE of Amboy, Washington · 16952 days ago · -1 km deep · 1 km away
  20. 3.838 km NNE of Amboy, Washington · 16952 days ago · 1 km deep · 0 km away
  21. 4.838 km S of Morton, Washington · 16952 days ago · 0 km deep · 1 km away
  22. 3.738 km S of Morton, Washington · 16952 days ago · -1 km deep · 1 km away
  23. 4.638 km S of Morton, Washington · 16952 days ago · -1 km deep · 1 km away
  24. 3.438 km SSE of Morton, Washington · 16952 days ago · -1 km deep · 3 km away
  25. 3.938 km NNE of Amboy, Washington · 16952 days ago · -1 km deep · 1 km away
  26. 3.836 km NNE of Amboy, Washington · 16952 days ago · 3 km deep · 3 km away
  27. 3.638 km NNE of Amboy, Washington · 16952 days ago · -1 km deep · 0 km away
  28. 4.239 km NNE of Amboy, Washington · 16951 days ago · 0 km deep · 1 km away
  29. 3.939 km NNE of Amboy, Washington · 16951 days ago · 0 km deep · 1 km away
  30. 3.739 km SSE of Morton, Washington · 16951 days ago · 0 km deep · 3 km away
  31. 3.838 km S of Morton, Washington · 16951 days ago · -1 km deep · 1 km away
  32. 3.438 km NNE of Amboy, Washington · 16951 days ago · -1 km deep · 1 km away
  33. 3.538 km NNE of Amboy, Washington · 16951 days ago · 0 km deep · 0 km away
  34. 4.238 km NE of Amboy, Washington · 16951 days ago · -1 km deep · 3 km away
  35. 3.638 km NNE of Amboy, Washington · 16951 days ago · 1 km deep · 1 km away
  36. 3.538 km NNE of Amboy, Washington · 16951 days ago · 0 km deep · 0 km away
  37. 3.738 km NNE of Amboy, Washington · 16951 days ago · -1 km deep · 1 km away
  38. 4.939 km NNE of Amboy, Washington · 16951 days ago · 0 km deep · 1 km away
  39. 3.938 km NNE of Amboy, Washington · 16951 days ago · -1 km deep · 0 km away
  40. 3.836 km NE of Amboy, Washington · 16951 days ago · -1 km deep · 5 km away
  41. 4.539 km NNE of Amboy, Washington · 16951 days ago · 0 km deep · 1 km away
  42. 4.038 km NNE of Amboy, Washington · 16951 days ago · -1 km deep · 1 km away
  43. 3.938 km NNE of Amboy, Washington · 16951 days ago · 0 km deep · 1 km away
  44. 3.739 km NNE of Amboy, Washington · 16950 days ago · -1 km deep · 1 km away
  45. 2.738 km NNE of Amboy, Washington · 16950 days ago · -1 km deep · 1 km away
  46. 4.038 km NNE of Amboy, Washington · 16950 days ago · 0 km deep · 1 km away
  47. 3.738 km NNE of Amboy, Washington · 16950 days ago · -1 km deep · 1 km away
  48. 3.838 km NNE of Amboy, Washington · 16950 days ago · -1 km deep · 0 km away
  49. 4.638 km NNE of Amboy, Washington · 16950 days ago · -1 km deep · 1 km away
  50. 3.238 km S of Morton, Washington · 16950 days ago · -1 km deep · 1 km away
  51. 3.838 km NNE of Amboy, Washington · 16950 days ago · -1 km deep · 0 km away
  52. 4.138 km NNE of Amboy, Washington · 16950 days ago · 0 km deep · 1 km away
  53. 4.036 km NNE of Amboy, Washington · 16950 days ago · 1 km deep · 2 km away
  54. 3.739 km NNE of Amboy, Washington · 16949 days ago · 0 km deep · 1 km away
  55. 3.738 km NNE of Amboy, Washington · 16949 days ago · -1 km deep · 1 km away
  56. 4.636 km NNE of Amboy, Washington · 16949 days ago · -1 km deep · 2 km away
  57. 3.638 km NNE of Amboy, Washington · 16949 days ago · 0 km deep · 1 km away
  58. 4.139 km NNE of Amboy, Washington · 16949 days ago · -1 km deep · 1 km away
  59. 3.638 km NNE of Amboy, Washington · 16949 days ago · -1 km deep · 1 km away
  60. 3.838 km NNE of Amboy, Washington · 16949 days ago · 0 km deep · 0 km away

The first 60 of 197.

Before

  1. 3.938 km NNE of Amboy, Washington · 16954 days ago · -1 km deep · 1 km away
  2. 3.838 km NNE of Amboy, Washington · 16954 days ago · 0 km deep · 0 km away
  3. 4.939 km NNE of Amboy, Washington · 16954 days ago · -1 km deep · 1 km away
  4. 4.038 km NNE of Amboy, Washington · 16954 days ago · 3 km deep · 1 km away
  5. 3.8Washington · 16954 days ago · -1 km deep · 1 km away
  6. 3.838 km NNE of Amboy, Washington · 16954 days ago · 0 km deep · 0 km away
  7. 4.238 km NNE of Amboy, Washington · 16954 days ago · -1 km deep · 0 km away
  8. 4.338 km NNE of Amboy, Washington · 16954 days ago · 1 km deep · 0 km away
  9. 3.8Washington · 16954 days ago · 1 km deep · 1 km away
  10. 3.738 km NNE of Amboy, Washington · 16954 days ago · -1 km deep · 1 km away
  11. 3.938 km NNE of Amboy, Washington · 16954 days ago · 0 km deep · 0 km away
  12. 2.838 km S of Morton, Washington · 16954 days ago · 0 km deep · 1 km away
  13. 4.138 km NNE of Amboy, Washington · 16954 days ago · -1 km deep · 0 km away
  14. 4.039 km S of Morton, Washington · 16954 days ago · 0 km deep · 1 km away
  15. 4.038 km NNE of Amboy, Washington · 16954 days ago · -1 km deep · 0 km away
  16. 5.034 km SSE of Morton, Washington · 16955 days ago · 5 km deep · 6 km away
  17. 3.939 km S of Morton, Washington · 16956 days ago · 0 km deep · 1 km away
  18. 4.138 km NNE of Amboy, Washington · 16956 days ago · 0 km deep · 1 km away
  19. 3.838 km NNE of Amboy, Washington · 16956 days ago · 0 km deep · 0 km away
  20. 3.738 km NNE of Amboy, Washington · 16956 days ago · 1 km deep · 0 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10087138 (also filed as usp00016x2). Read Sat, Sep 26, 2026, 11:13 PM UTC.