Washington earthquakes

M2.0 earthquake 20 km SW of Tampico, Washington

A magnitude 2.0 earthquake struck 20 km SW of Tampico, Washington on Wed, Jul 6, 1983, 8:09 AM PDT (15:09 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.2 12 km SW of Nile, 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
2.0 (md), micro
Local time
UTC
1983-07-06 15:09:20 UTC
Depth
-0.9 km (-0.6 mi), shallow
Epicenter
46.406° N, 121.055° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
201°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 1.638 km NNE of Amboy, Washington · 15782 days ago · -2 km deep · 90 km away
  2. 1.538 km NNE of Amboy, Washington · 15778 days ago · -2 km deep · 90 km away
  3. 1.612 km SSW of Packwood, Washington · 15773 days ago · 1 km deep · 53 km away
  4. 2.212 km SW of Nile, Washington · 15770 days ago · 4 km deep · 36 km away
  5. 1.838 km NNE of Amboy, Washington · 15770 days ago · -2 km deep · 90 km away
  6. 2.13 km NNE of Packwood, Washington · 15759 days ago · 4 km deep · 53 km away
  7. 1.838 km NNE of Amboy, Washington · 15755 days ago · -2 km deep · 90 km away
  8. 1.539 km S of Morton, Washington · 15743 days ago · -2 km deep · 89 km away
  9. 2.238 km NNE of Amboy, Washington · 15733 days ago · -1 km deep · 90 km away
  10. 1.615 km NNE of Packwood, Washington · 15733 days ago · 2 km deep · 53 km away
  11. 1.920 km ENE of Ashford, Washington · 15732 days ago · 0 km deep · 73 km away

Before

  1. 1.838 km S of Morton, Washington · 15784 days ago · -2 km deep · 89 km away
  2. 1.739 km NNE of Amboy, Washington · 15785 days ago · 0 km deep · 89 km away
  3. 1.738 km NNE of Amboy, Washington · 15785 days ago · -2 km deep · 90 km away
  4. 1.723 km NE of Sunnyside, Washington · 15785 days ago · 18 km deep · 99 km away
  5. 2.138 km NNE of Amboy, Washington · 15786 days ago · -2 km deep · 90 km away
  6. 1.722 km ESE of Packwood, Washington · 15790 days ago · -1 km deep · 29 km away
  7. 1.538 km NNE of Amboy, Washington · 15791 days ago · 0 km deep · 90 km away
  8. 1.838 km NNE of Amboy, Washington · 15793 days ago · -2 km deep · 90 km away
  9. 2.137 km NNE of Amboy, Washington · 15794 days ago · -1 km deep · 90 km away
  10. 1.832 km SSW of Packwood, Washington · 15794 days ago · 11 km deep · 63 km away
  11. 2.038 km NNE of Amboy, Washington · 15795 days ago · -1 km deep · 90 km away
  12. 2.117 km S of Morton, Washington · 15797 days ago · 1 km deep · 93 km away
  13. 1.738 km NNE of Amboy, Washington · 15800 days ago · -2 km deep · 89 km away
  14. 1.638 km NNE of Amboy, Washington · 15806 days ago · 0 km deep · 90 km away
  15. 1.739 km NNE of Amboy, Washington · 15806 days ago · -2 km deep · 89 km away
  16. 1.639 km NNE of Amboy, Washington · 15807 days ago · -1 km deep · 90 km away
  17. 1.538 km NNE of Amboy, Washington · 15808 days ago · -2 km deep · 90 km away
  18. 1.638 km NNE of Amboy, Washington · 15808 days ago · -2 km deep · 90 km away
  19. 2.238 km NNE of Amboy, Washington · 15808 days ago · -1 km deep · 90 km away
  20. 1.739 km NNE of Amboy, Washington · 15809 days ago · -2 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10157303. Read Tue, Sep 22, 2026, 12:17 PM UTC.