Washington earthquakes

M1.9 earthquake 9 km SSW of Morton, Washington

A magnitude 1.9 earthquake struck 9 km SSW of Morton, Washington on Wed, May 9, 2001, 11:15 AM PDT (18:15 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.3 11 km NNE of Ashford, Washington. 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), micro
Local time
UTC
2001-05-09 18:15:27 UTC
Depth
17.9 km (11.1 mi), shallow
Epicenter
46.480° N, 122.319° 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, 0.6 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
55°
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: 8 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.524 km E of Castle Rock, Washington · 9274 days ago · 0 km deep · 31 km away
  2. 1.917 km SSW of Packwood, Washington · 9271 days ago · 7 km deep · 43 km away
  3. 1.722 km ENE of Ashford, Washington · 9246 days ago · -1 km deep · 60 km away
  4. 1.912 km NNE of Ashford, Washington · 9232 days ago · 6 km deep · 50 km away
  5. 2.114 km ESE of Ashford, Washington · 9232 days ago · 6 km deep · 45 km away
  6. 3.311 km NNE of Ashford, Washington · 9223 days ago · 6 km deep · 49 km away · felt by 20
  7. 1.616 km ENE of Yacolt, Washington · 9220 days ago · 14 km deep · 64 km away
  8. 1.821 km NNW of Amboy, Washington · 9219 days ago · 17 km deep · 46 km away

Before

  1. 2.424 km ENE of Ashford, Washington · 9275 days ago · -2 km deep · 60 km away
  2. 2.023 km SSE of Mossyrock, Washington · 9276 days ago · 17 km deep · 15 km away
  3. 1.722 km ENE of Ashford, Washington · 9279 days ago · -1 km deep · 58 km away
  4. 2.019 km E of West Side Highway, Washington · 9288 days ago · 17 km deep · 40 km away
  5. 1.65 km ESE of Wilkeson, Washington · 9289 days ago · 0 km deep · 73 km away
  6. 1.84 km NNW of Dash Point, Washington · 9289 days ago · 16 km deep · 98 km away
  7. 1.79 km SSW of Morton, Washington · 9290 days ago · 18 km deep · 0 km away
  8. 2.38 km SSW of Morton, Washington · 9290 days ago · 18 km deep · 1 km away
  9. 2.227 km SSE of Greenwater, Washington · 9290 days ago · 1 km deep · 76 km away
  10. 1.59 km WSW of Mineral, Washington · 9292 days ago · 16 km deep · 24 km away
  11. 1.618 km NNE of Ashford, Washington · 9293 days ago · 10 km deep · 56 km away
  12. 1.628 km ENE of Ashford, Washington · 9293 days ago · -1 km deep · 64 km away
  13. 1.923 km ENE of Ashford, Washington · 9295 days ago · 0 km deep · 59 km away
  14. 2.223 km ENE of Ashford, Washington · 9298 days ago · -1 km deep · 60 km away
  15. 2.423 km ENE of Ashford, Washington · 9298 days ago · -1 km deep · 59 km away
  16. 2.325 km ENE of Ashford, Washington · 9298 days ago · -2 km deep · 61 km away
  17. 1.822 km ENE of Ashford, Washington · 9300 days ago · 0 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10523708. Read Wed, Sep 30, 2026, 10:25 AM UTC.