Washington earthquakes

M1.8 earthquake 3 km WSW of Des Moines, Washington

A magnitude 1.8 earthquake struck 3 km WSW of Des Moines, Washington on Thu, Apr 15, 2004, 9:13 AM PDT (16:13 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M2.9 8 km E of Porter, Washington. This one was a foreshock.

Des Moines 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
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2004-04-15 16:13:11 UTC
Depth
22.6 km (14.0 mi), shallow
Epicenter
47.389° N, 122.365° 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, 0.6 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
66°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.61 km SSW of Ames Lake, Washington · 8202 days ago · 4 km deep · 39 km away
  2. 1.64 km ESE of Elbe, Washington · 8202 days ago · 16 km deep · 73 km away
  3. 1.92 km WNW of Ashford, Washington · 8196 days ago · 14 km deep · 73 km away
  4. 2.55 km SW of Sultan, Washington · 8194 days ago · 17 km deep · 61 km away
  5. 2.32 km SSE of Maple Heights-Lake Desire, Washington · 8190 days ago · 22 km deep · 22 km away
  6. 1.94 km ESE of Lake Marcel-Stillwater, Washington · 8190 days ago · 13 km deep · 49 km away
  7. 2.98 km E of Porter, Washington · 8172 days ago · 41 km deep · 80 km away
  8. 1.82 km NE of Bucoda, Washington · 8170 days ago · 21 km deep · 73 km away
  9. 1.90 km W of Mountlake Terrace, Washington · 8166 days ago · 28 km deep · 45 km away
  10. 1.72 km SE of Browns Point, Washington · 8159 days ago · 21 km deep · 12 km away
  11. 1.78 km E of Ashford, Washington · 8157 days ago · 3 km deep · 77 km away
  12. 1.53 km E of Dash Point, Washington · 8151 days ago · 28 km deep · 8 km away
  13. 2.33 km ESE of Dash Point, Washington · 8147 days ago · 25 km deep · 9 km away
  14. 1.53 km W of Gorst, Washington · 8147 days ago · 21 km deep · 33 km away

Before

  1. 2.316 km SSE of Carbonado, Washington · 8205 days ago · 11 km deep · 58 km away
  2. 2.15 km SW of Woodway, Washington · 8215 days ago · 26 km deep · 43 km away
  3. 1.63 km SW of Lake Marcel-Stillwater, Washington · 8217 days ago · 2 km deep · 44 km away
  4. 1.917 km SSE of Carbonado, Washington · 8231 days ago · -2 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10609483. Read Thu, Oct 1, 2026, 10:37 PM UTC.