Washington earthquakes

M2.2 earthquake 15 km SE of Mossyrock, Washington

A magnitude 2.2 earthquake struck 15 km SE of Mossyrock, Washington on Fri, Apr 16, 2004, 5:26 PM PDT (00:26 UTC), 12 km (7 mi) below the surface.

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

Mossyrock 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
2.2 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2004-04-17 00:26:15 UTC
Depth
12.0 km (7.4 mi), shallow
Epicenter
46.421° N, 122.355° 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, 0.9 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
49°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.64 km ESE of Elbe, Washington · 8202 days ago · 16 km deep · 40 km away
  2. 1.92 km WNW of Ashford, Washington · 8197 days ago · 14 km deep · 44 km away
  3. 1.622 km N of Trout Lake, Washington · 8191 days ago · 0 km deep · 68 km away
  4. 1.72 km WSW of North Portland, Oregon · 8188 days ago · 13 km deep · 96 km away
  5. 2.12 km WNW of Saint Helens, Oregon · 8187 days ago · 21 km deep · 71 km away
  6. 2.98 km E of Porter, Washington · 8173 days ago · 41 km deep · 87 km away
  7. 1.82 km NE of Bucoda, Washington · 8170 days ago · 21 km deep · 58 km away
  8. 1.72 km SE of Browns Point, Washington · 8159 days ago · 21 km deep · 97 km away
  9. 1.633 km SSE of Morton, Washington · 8158 days ago · 4 km deep · 27 km away
  10. 1.78 km E of Ashford, Washington · 8157 days ago · 3 km deep · 51 km away
  11. 1.53 km E of Dash Point, Washington · 8151 days ago · 28 km deep · 100 km away
  12. 2.33 km ESE of Dash Point, Washington · 8148 days ago · 25 km deep · 99 km away
  13. 1.53 km E of Dash Point, Washington · 8143 days ago · 23 km deep · 100 km away

Before

  1. 1.925 km S of Morton, Washington · 8204 days ago · 11 km deep · 13 km away
  2. 2.316 km SSE of Carbonado, Washington · 8205 days ago · 11 km deep · 64 km away
  3. 1.821 km S of Morton, Washington · 8211 days ago · 9 km deep · 10 km away
  4. 1.526 km SSE of Mossyrock, Washington · 8214 days ago · 19 km deep · 13 km away
  5. 1.825 km SSE of Mossyrock, Washington · 8214 days ago · 19 km deep · 13 km away
  6. 1.75 km NNW of Fern Prairie, Washington · 8219 days ago · 5 km deep · 83 km away
  7. 1.917 km SSE of Carbonado, Washington · 8231 days ago · -2 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10610168. Read Fri, Oct 2, 2026, 12:44 AM UTC.