Washington earthquakes

M1.8 earthquake 10 km NNE of Concrete, Washington

A magnitude 1.8 earthquake struck 10 km NNE of Concrete, Washington on Fri, Jun 11, 2004, 6:24 PM PDT (01:24 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.8 4 km NNE of Anacortes, Washington. This one was a foreshock.

Concrete 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
2004-06-12 01:24:35 UTC
Depth
-0.4 km (-0.3 mi), shallow
Epicenter
48.629° N, 121.691° 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 4.4 km horizontally, 20.9 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
151°
Stations used
11

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. 1.66 km NE of Verlot, Washington · 8141 days ago · 6 km deep · 55 km away
  2. 1.910 km NE of Verlot, Washington · 8141 days ago · 7 km deep · 52 km away
  3. 2.84 km NNE of Anacortes, Washington · 8135 days ago · 19 km deep · 67 km away
  4. 2.21 km N of Big Lake, Washington · 8132 days ago · -1 km deep · 47 km away
  5. 2.01 km N of Big Lake, Washington · 8132 days ago · 1 km deep · 47 km away
  6. 1.85 km ESE of Oso, Washington · 8124 days ago · 10 km deep · 43 km away
  7. 2.26 km NNW of North Sultan, Washington · 8119 days ago · 16 km deep · 79 km away
  8. 2.18 km SSW of Anacortes, Washington · 8116 days ago · 23 km deep · 74 km away
  9. 2.22 km NNW of Mill Creek, Washington · 8111 days ago · 24 km deep · 92 km away
  10. 1.658 km SSW of Princeton, Canada · 8105 days ago · 8 km deep · 77 km away
  11. 1.61 km N of Darrington, Washington · 8100 days ago · 11 km deep · 41 km away
  12. 1.63 km ESE of Oso, Washington · 8099 days ago · 13 km deep · 44 km away
  13. 1.51 km W of Silvana, Washington · 8090 days ago · 7 km deep · 64 km away
  14. 1.614 km SSW of Chilliwack, Canada · 8089 days ago · -1 km deep · 53 km away

Before

  1. 2.812 km NNE of Concrete, Washington · 8148 days ago · -1 km deep · 3 km away
  2. 1.53 km ESE of Oso, Washington · 8157 days ago · 13 km deep · 44 km away
  3. 2.019 km ENE of Darrington, Washington · 8162 days ago · 9 km deep · 45 km away
  4. 1.50 km WNW of Oso, Washington · 8169 days ago · 14 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10609508. Read Fri, Oct 2, 2026, 6:28 PM UTC.