Washington earthquakes

M1.9 earthquake 10 km NNW of Marblemount, Washington

A magnitude 1.9 earthquake struck 10 km NNW of Marblemount, Washington on Mon, Aug 28, 2000, 5:11 PM PDT (00:11 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.0 14 km NNW of Mission, Canada. 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
1.9 (md), micro
Local time
UTC
2000-08-29 00:11:31 UTC
Depth
0.5 km (0.3 mi), shallow
Epicenter
48.612° N, 121.508° 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
181°, poorly surrounded by stations
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: 14 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.63 km ENE of Granite Falls, Washington · 9520 days ago · -1 km deep · 65 km away
  2. 1.50 km NNW of Everett, Washington · 9519 days ago · 15 km deep · 87 km away
  3. 1.83 km SSW of Lake Roesiger, Washington · 9515 days ago · 8 km deep · 80 km away
  4. 1.929 km NNW of Leavenworth, Washington · 9513 days ago · -1 km deep · 99 km away
  5. 1.54 km NE of Granite Falls, Washington · 9504 days ago · -1 km deep · 63 km away
  6. 1.93 km E of Granite Falls, Washington · 9503 days ago · -1 km deep · 66 km away
  7. 1.52 km NNE of Granite Falls, Washington · 9501 days ago · -1 km deep · 65 km away
  8. 1.512 km SSW of Darrington, Washington · 9493 days ago · 7 km deep · 52 km away
  9. 1.93 km WSW of Darrington, Washington · 9492 days ago · 12 km deep · 43 km away
  10. 1.83 km ENE of Granite Falls, Washington · 9486 days ago · -1 km deep · 65 km away
  11. 1.50 km S of Clear Lake, Washington · 9484 days ago · -1 km deep · 56 km away
  12. 2.014 km NNW of Mission, Canada · 9483 days ago · 11 km deep · 96 km away
  13. 1.54 km N of Riverside, Washington · 9471 days ago · -1 km deep · 63 km away
  14. 1.73 km E of Cathcart, Washington · 9470 days ago · 18 km deep · 94 km away

Before

  1. 1.555 km SSW of Princeton, Canada · 9530 days ago · 11 km deep · 69 km away
  2. 1.72 km E of Granite Falls, Washington · 9536 days ago · -1 km deep · 66 km away
  3. 1.510 km SSW of Sultan, Washington · 9536 days ago · 7 km deep · 97 km away
  4. 2.22 km ENE of Silver Firs, Washington · 9542 days ago · 28 km deep · 94 km away
  5. 1.88 km NNE of Lake Marcel-Stillwater, Washington · 9543 days ago · 7 km deep · 98 km away
  6. 1.88 km SW of Concrete, Washington · 9551 days ago · -1 km deep · 27 km away
  7. 1.94 km SW of Mount Vernon, Washington · 9556 days ago · 16 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10512768. Read Wed, Sep 30, 2026, 7:27 AM UTC.