Washington earthquakes

M1.9 earthquake 4 km ENE of Tampico, Washington

A magnitude 1.9 earthquake struck 4 km ENE of Tampico, Washington on Sat, Jun 12, 2004, 11:09 AM PDT (18:09 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M3.9 17 km W of Packwood, 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
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2004-06-12 18:09:46 UTC
Depth
-0.7 km (-0.4 mi), shallow
Epicenter
46.545° N, 120.812° 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, 0.5 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
123°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 2.616 km W of Packwood, Washington · 8138 days ago · 2 km deep · 83 km away
  2. 3.917 km W of Packwood, Washington · 8133 days ago · -1 km deep · 83 km away · felt by 173
  3. 2.316 km W of Packwood, Washington · 8133 days ago · 3 km deep · 83 km away
  4. 1.516 km W of Packwood, Washington · 8133 days ago · 5 km deep · 82 km away
  5. 1.524 km SSE of White Swan, Washington · 8124 days ago · 9 km deep · 44 km away
  6. 1.5Washington · 8112 days ago · -1 km deep · 80 km away
  7. 1.62 km NW of Nile, Washington · 8098 days ago · 0 km deep · 35 km away
  8. 1.822 km N of Trout Lake, Washington · 8094 days ago · -1 km deep · 66 km away
  9. 1.71 km NW of Vantage, Washington · 8093 days ago · 2 km deep · 77 km away

Before

  1. 1.78 km E of Ashford, Washington · 8157 days ago · 3 km deep · 88 km away
  2. 1.633 km SSE of Morton, Washington · 8158 days ago · 4 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10609918. Read Fri, Oct 2, 2026, 6:29 AM UTC.