Washington earthquakes

M2.0 earthquake 8 km N of Hamilton, Washington

A magnitude 2.0 earthquake struck 8 km N of Hamilton, Washington on Wed, May 11, 1988, 11:34 AM PDT (18:34 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M3.2 18 km E of Verlot, 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
2.0 (md), micro
Local time
UTC
1988-05-11 18:34:01 UTC
Depth
-1.0 km (-0.6 mi), shallow
Epicenter
48.599° N, 121.979° 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, 0.2 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
99°
Stations used
12

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 1 in the 30 days before it.

After

  1. 1.50 km WSW of Glacier, Washington · 14010 days ago · 2 km deep · 32 km away
  2. 1.52 km S of Abbotsford, Canada · 14007 days ago · 14 km deep · 52 km away
  3. 1.54 km SE of Everson, Washington · 14006 days ago · 5 km deep · 40 km away
  4. 2.29 km S of Sultan, Washington · 14002 days ago · 13 km deep · 92 km away
  5. 1.57 km SSW of Lyman, Washington · 13999 days ago · -1 km deep · 17 km away
  6. 1.63 km NNE of Union Hill-Novelty Hill, WA · 13992 days ago · 3 km deep · 99 km away
  7. 3.12 km NE of Lake Marcel-Stillwater, Washington · 13984 days ago · 7 km deep · 99 km away
  8. 1.53 km SE of Sedro-Woolley, Washington · 13980 days ago · 19 km deep · 21 km away
  9. 2.24 km WSW of Darrington, Washington · 13969 days ago · 2 km deep · 47 km away
  10. 1.617 km ESE of Verlot, Washington · 13969 days ago · 2 km deep · 72 km away
  11. 2.34 km WSW of Darrington, Washington · 13969 days ago · 1 km deep · 46 km away
  12. 3.218 km E of Verlot, Washington · 13962 days ago · -1 km deep · 66 km away

Before

  1. 1.73 km ENE of Granite Falls, Washington · 14035 days ago · -1 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10230563. Read Tue, Sep 29, 2026, 9:20 AM UTC.