Washington earthquakes

M1.5 earthquake 6 km W of Burley, Washington

A magnitude 1.5 earthquake struck 6 km W of Burley, Washington on Mon, Apr 23, 1990, 1:00 AM PDT (08:00 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M2.6 23 km ENE of Ashford, 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-04-23 08:00:09 UTC
Depth
19.0 km (11.8 mi), shallow
Epicenter
47.409° N, 122.712° 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 0.5 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
50°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.76 km SSW of Hansville, Washington · 13310 days ago · 18 km deep · 52 km away
  2. 2.54 km SSW of Gorst, Washington · 13310 days ago · 44 km deep · 9 km away
  3. 1.82 km N of Kingston, Washington · 13303 days ago · 21 km deep · 48 km away
  4. 1.727 km ENE of Ashford, Washington · 13299 days ago · -2 km deep · 94 km away
  5. 2.35 km E of Aberdeen Gardens, Washington · 13299 days ago · 10 km deep · 85 km away
  6. 1.94 km NNE of Woods Creek, Washington · 13288 days ago · 15 km deep · 84 km away
  7. 1.514 km NE of Ashford, Washington · 13285 days ago · 7 km deep · 90 km away
  8. 1.611 km NNE of Jamestown, Washington · 13285 days ago · 13 km deep · 93 km away
  9. 2.03 km SSW of Rosedale, Washington · 13284 days ago · 26 km deep · 12 km away
  10. 2.623 km ENE of Ashford, Washington · 13279 days ago · -2 km deep · 95 km away
  11. 1.92 km ESE of Alder, Washington · 13279 days ago · 17 km deep · 77 km away
  12. 1.63 km ENE of Burley, Washington · 13278 days ago · 42 km deep · 10 km away
  13. 2.023 km ENE of Ashford, Washington · 13271 days ago · -1 km deep · 95 km away
  14. 2.28 km W of Hoodsport, Washington · 13270 days ago · 44 km deep · 41 km away
  15. 1.82 km SSW of Clinton, Washington · 13265 days ago · 24 km deep · 66 km away
  16. 1.528 km ENE of Ashford, Washington · 13264 days ago · -2 km deep · 94 km away
  17. 2.32 km ENE of Camano, Washington · 13259 days ago · 23 km deep · 87 km away
  18. 1.90 km SE of Lakeland South, Washington · 13258 days ago · 8 km deep · 36 km away
  19. 1.65 km N of Belfair, Washington · 13256 days ago · 17 km deep · 13 km away
  20. 1.70 km ESE of Mercer Island, Washington · 13255 days ago · 20 km deep · 41 km away
  21. 1.74 km ENE of Lake Marcel-Stillwater, Washington · 13255 days ago · 18 km deep · 72 km away

Before

  1. 1.912 km ESE of Humptulips, Washington · 13315 days ago · 26 km deep · 85 km away
  2. 1.54 km NW of Kingston, Washington · 13316 days ago · 20 km deep · 49 km away
  3. 1.510 km E of Ashford, Washington · 13319 days ago · 7 km deep · 95 km away
  4. 2.32 km SE of Maple Heights-Lake Desire, Washington · 13323 days ago · 16 km deep · 48 km away
  5. 2.32 km SE of Maple Heights-Lake Desire, Washington · 13323 days ago · 19 km deep · 48 km away
  6. 1.521 km N of Amanda Park, Washington · 13325 days ago · 27 km deep · 90 km away
  7. 1.522 km ENE of Ashford, Washington · 13327 days ago · -1 km deep · 95 km away
  8. 1.910 km ENE of Snoqualmie, Washington · 13328 days ago · 12 km deep · 78 km away
  9. 2.14 km WSW of Rosedale, Washington · 13332 days ago · 23 km deep · 11 km away
  10. 1.52 km NNE of Tanner, Washington · 13335 days ago · 14 km deep · 74 km away
  11. 3.013 km NE of Ashford, Washington · 13339 days ago · 9 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10262083. Read Fri, Oct 2, 2026, 12:03 AM UTC.