Washington earthquakes

M1.9 earthquake 11 km S of Morton, Washington

A magnitude 1.9 earthquake struck 11 km S of Morton, Washington on Tue, Jul 8, 2003, 8:11 PM PDT (03:11 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.0 4 km NW of North Portland, Oregon. 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
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2003-07-09 03:11:49 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
46.452° N, 122.260° 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 0.4 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
62°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.62 km NE of Orchards, Washington · 8485 days ago · 15 km deep · 88 km away
  2. 1.822 km ESE of Packwood, Washington · 8482 days ago · 5 km deep · 68 km away
  3. 2.130 km ESE of Packwood, Washington · 8471 days ago · 0 km deep · 72 km away
  4. 1.83 km NW of North Portland, Oregon · 8469 days ago · 16 km deep · 98 km away
  5. 3.04 km NW of North Portland, Oregon · 8469 days ago · 17 km deep · 97 km away · felt by 149
  6. 1.54 km NW of North Portland, Oregon · 8469 days ago · 17 km deep · 98 km away
  7. 1.64 km WNW of North Portland, Oregon · 8469 days ago · 17 km deep · 99 km away
  8. 2.24 km NW of North Portland, Oregon · 8469 days ago · 17 km deep · 98 km away
  9. 2.24 km NW of North Portland, Oregon · 8468 days ago · 17 km deep · 98 km away
  10. 2.13 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 99 km away
  11. 1.75 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 98 km away
  12. 1.73 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 99 km away
  13. 1.62 km WNW of North Portland, Oregon · 8468 days ago · 15 km deep · 100 km away
  14. 2.14 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 98 km away
  15. 1.73 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 99 km away
  16. 2.83 km NW of North Portland, Oregon · 8468 days ago · 17 km deep · 98 km away
  17. 2.43 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 98 km away
  18. 1.63 km NW of North Portland, Oregon · 8468 days ago · 16 km deep · 99 km away
  19. 2.43 km NW of North Portland, Oregon · 8467 days ago · 18 km deep · 98 km away
  20. 1.84 km NW of North Portland, Oregon · 8465 days ago · 17 km deep · 98 km away
  21. 2.110 km E of Kalama, Washington · 8465 days ago · 19 km deep · 61 km away
  22. 1.94 km NW of North Portland, Oregon · 8464 days ago · 17 km deep · 98 km away
  23. 2.2Washington-Oregon border region · 8461 days ago · 17 km deep · 98 km away
  24. 1.710 km E of Kalama, Washington · 8458 days ago · 13 km deep · 60 km away
  25. 2.28 km S of Morton, Washington · 8452 days ago · 17 km deep · 3 km away
  26. 1.823 km ENE of Ashford, Washington · 8449 days ago · -2 km deep · 60 km away
  27. 1.811 km SSE of Mineral, Washington · 8445 days ago · 15 km deep · 21 km away
  28. 1.512 km WSW of Greenwater, Washington · 8439 days ago · 5 km deep · 83 km away
  29. 1.615 km S of Morton, Washington · 8433 days ago · 7 km deep · 3 km away
  30. 1.73 km ESE of Trout Lake, Washington · 8429 days ago · -1 km deep · 79 km away
  31. 2.43 km NW of North Portland, Oregon · 8427 days ago · 17 km deep · 98 km away
  32. 1.72 km NW of North Portland, Oregon · 8427 days ago · 16 km deep · 99 km away

Before

  1. 1.74 km W of Dollar Corner, Washington · 8489 days ago · 16 km deep · 81 km away
  2. 1.912 km NNW of Ryderwood, Washington · 8490 days ago · 49 km deep · 67 km away
  3. 1.636 km SSE of Morton, Washington · 8491 days ago · 9 km deep · 26 km away
  4. 1.513 km SSE of Pe Ell, Washington · 8492 days ago · 2 km deep · 76 km away
  5. 1.536 km SSE of Morton, Washington · 8495 days ago · 9 km deep · 26 km away
  6. 2.28 km ESE of Venersborg, Washington · 8498 days ago · 7 km deep · 78 km away
  7. 1.55 km WNW of North Portland, Oregon · 8500 days ago · 14 km deep · 99 km away
  8. 1.63 km W of Fox Island, Washington · 8500 days ago · 27 km deep · 94 km away
  9. 2.117 km NNE of Trout Lake, Washington · 8507 days ago · -1 km deep · 69 km away
  10. 1.524 km ENE of Ashford, Washington · 8511 days ago · -2 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10595368. Read Thu, Oct 1, 2026, 4:51 PM UTC.