Washington earthquakes

M1.9 earthquake 37 km NNE of Amboy, Washington

A magnitude 1.9 earthquake struck 37 km NNE of Amboy, Washington on Tue, Jun 26, 1990, 12:01 AM PDT (07:01 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 23 km ENE of Ashford, 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.

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The earthquake

Magnitude
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-06-26 07:01:46 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
46.195° N, 122.189° 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, 0.4 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
38°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.810 km SW of Packwood, Washington · 13246 days ago · 8 km deep · 50 km away
  2. 1.525 km ENE of Ashford, Washington · 13245 days ago · 0 km deep · 82 km away
  3. 2.338 km NNE of Amboy, Washington · 13245 days ago · 4 km deep · 1 km away
  4. 2.433 km NE of Amboy, Washington · 13243 days ago · 0 km deep · 7 km away
  5. 1.738 km NNE of Amboy, Washington · 13236 days ago · -2 km deep · 1 km away
  6. 1.938 km NNE of Amboy, Washington · 13226 days ago · 0 km deep · 1 km away
  7. 1.522 km ENE of Ashford, Washington · 13225 days ago · -2 km deep · 80 km away
  8. 1.738 km NNE of Amboy, Washington · 13225 days ago · 0 km deep · 1 km away
  9. 1.827 km SSE of Greenwater, Washington · 13219 days ago · 3 km deep · 94 km away
  10. 1.627 km SSE of Greenwater, Washington · 13219 days ago · 3 km deep · 94 km away
  11. 3.023 km ENE of Ashford, Washington · 13215 days ago · -1 km deep · 81 km away
  12. 1.89 km S of Carbonado, Washington · 13209 days ago · 12 km deep · 89 km away
  13. 1.612 km N of Mossyrock, Washington · 13209 days ago · 20 km deep · 54 km away
  14. 2.012 km S of Ashford, Washington · 13207 days ago · 12 km deep · 51 km away
  15. 1.737 km NNE of Amboy, Washington · 13205 days ago · -2 km deep · 0 km away
  16. 2.038 km NNE of Amboy, Washington · 13194 days ago · -2 km deep · 1 km away

Before

  1. 1.737 km NNE of Amboy, Washington · 13255 days ago · 2 km deep · 1 km away
  2. 1.737 km NNE of Amboy, Washington · 13259 days ago · -1 km deep · 1 km away
  3. 1.528 km ENE of Ashford, Washington · 13264 days ago · -2 km deep · 86 km away
  4. 1.526 km S of Morton, Washington · 13264 days ago · 8 km deep · 15 km away
  5. 2.0Washington · 13270 days ago · 0 km deep · 1 km away
  6. 1.94 km E of Carson, Washington · 13270 days ago · 4 km deep · 61 km away
  7. 1.74 km E of Carson, Washington · 13270 days ago · 4 km deep · 62 km away
  8. 2.023 km ENE of Ashford, Washington · 13272 days ago · -1 km deep · 80 km away
  9. 1.738 km NNE of Amboy, Washington · 13273 days ago · -1 km deep · 1 km away
  10. 1.738 km NNE of Amboy, Washington · 13273 days ago · -2 km deep · 1 km away
  11. 1.838 km NNE of Amboy, Washington · 13274 days ago · -2 km deep · 1 km away
  12. 1.737 km NNE of Amboy, Washington · 13274 days ago · -2 km deep · 1 km away
  13. 2.28 km NNE of Government Camp, Oregon · 13276 days ago · 2 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10263848. Read Fri, Oct 2, 2026, 2:43 AM UTC.