Washington earthquakes

M1.6 earthquake 4 km ESE of Elbe, Washington

A magnitude 1.6 earthquake struck 4 km ESE of Elbe, Washington on Sun, Apr 18, 2004, 1:25 AM PDT (08:25 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M2.9 8 km E of Porter, 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
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2004-04-18 08:25:23 UTC
Depth
16.5 km (10.2 mi), shallow
Epicenter
46.747° N, 122.141° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
31°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.92 km WNW of Ashford, Washington · 8197 days ago · 14 km deep · 6 km away
  2. 1.622 km N of Trout Lake, Washington · 8191 days ago · 0 km deep · 77 km away
  3. 2.32 km SSE of Maple Heights-Lake Desire, Washington · 8190 days ago · 22 km deep · 76 km away
  4. 2.98 km E of Porter, Washington · 8173 days ago · 41 km deep · 83 km away
  5. 1.82 km NE of Bucoda, Washington · 8170 days ago · 21 km deep · 54 km away
  6. 1.72 km SE of Browns Point, Washington · 8159 days ago · 21 km deep · 64 km away
  7. 1.633 km SSE of Morton, Washington · 8158 days ago · 4 km deep · 50 km away
  8. 1.78 km E of Ashford, Washington · 8157 days ago · 3 km deep · 17 km away
  9. 1.53 km E of Dash Point, Washington · 8151 days ago · 28 km deep · 66 km away
  10. 2.33 km ESE of Dash Point, Washington · 8148 days ago · 25 km deep · 65 km away
  11. 1.53 km W of Gorst, Washington · 8147 days ago · 21 km deep · 98 km away
  12. 1.53 km E of Dash Point, Washington · 8143 days ago · 23 km deep · 66 km away

Before

  1. 1.61 km SSW of Ames Lake, Washington · 8202 days ago · 4 km deep · 98 km away
  2. 2.215 km SE of Mossyrock, Washington · 8203 days ago · 12 km deep · 40 km away
  3. 1.83 km WSW of Des Moines, Washington · 8205 days ago · 23 km deep · 73 km away
  4. 1.925 km S of Morton, Washington · 8205 days ago · 11 km deep · 47 km away
  5. 2.316 km SSE of Carbonado, Washington · 8205 days ago · 11 km deep · 25 km away
  6. 1.821 km S of Morton, Washington · 8211 days ago · 9 km deep · 43 km away
  7. 1.526 km SSE of Mossyrock, Washington · 8214 days ago · 19 km deep · 53 km away
  8. 1.825 km SSE of Mossyrock, Washington · 8214 days ago · 19 km deep · 52 km away
  9. 1.917 km SSE of Carbonado, Washington · 8231 days ago · -2 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10610863. Read Fri, Oct 2, 2026, 4:36 AM UTC.