M2.2 earthquake 6 km SW of Cowiche, Washington
A magnitude 2.2 earthquake struck 6 km SW of Cowiche, Washington on Tue, Mar 1, 2005, 12:26 PM PST (20:26 UTC), -1 km (0 mi) below the surface.
A larger quake followed: M2.4 13 km NE of Cliffdell, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 2005-03-01 20:26:15 UTC
- Depth
- -0.6 km (-0.4 mi), shallow
- Epicenter
- 46.627° N, 120.769° W
- Region
- Washington
- 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
- 185°, poorly surrounded by stations
- 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: 2 in the 60 days after this one and 5 in the 30 days before it.
After
- 2.413 km NE of Cliffdell, Washington · 7856 days ago · 3 km deep · 47 km away
- 1.614 km SSE of Ashford, Washington · 7846 days ago · 6 km deep · 89 km away
Before
- 1.614 km S of Nile, Washington · 7886 days ago · 0 km deep · 16 km away
- 2.615 km S of Nile, Washington · 7889 days ago · 1 km deep · 16 km away
- 2.515 km S of Nile, Washington · 7895 days ago · 1 km deep · 16 km away
- 2.024 km ENE of Ashford, Washington · 7904 days ago · -2 km deep · 78 km away
- 2.42 km SE of Kittitas, Washington · 7905 days ago · 0 km deep · 48 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10642393. Read Fri, Oct 2, 2026, 7:30 PM UTC.