M2.0 earthquake 8 km W of Twisp, Washington
A magnitude 2.0 earthquake struck 8 km W of Twisp, Washington on Thu, Feb 20, 1992, 7:57 PM PST (03:57 UTC), -1 km (-1 mi) below the surface.
A larger quake followed: M2.7 42 km SSE of Princeton, Canada. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.0 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1992-02-21 03:57:15 UTC
- Depth
- -1.1 km (-0.7 mi), shallow
- Epicenter
- 48.362° N, 120.230° 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, 0.3 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- Operator assigned
- Station coverage gap
- 194°, poorly surrounded by stations
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 2 in the 30 days before it.
After
- 1.99 km SW of Chelan Falls, Washington · 12633 days ago · 5 km deep · 71 km away
- 2.742 km SSE of Princeton, Canada · 12628 days ago · -1 km deep · 82 km away
- 1.69 km NW of Entiat, Washington · 12613 days ago · 0 km deep · 71 km away
- 2.723 km E of Darrington, Washington · 12613 days ago · 4 km deep · 80 km away
- 2.122 km ESE of Darrington, Washington · 12613 days ago · 3 km deep · 82 km away
- 1.85 km N of Waterville, Washington · 12599 days ago · 3 km deep · 75 km away
- 2.052 km WNW of Granite Falls, Washington · 12598 days ago · 6 km deep · 56 km away
- 1.87 km NNW of Waterville, Washington · 12594 days ago · -1 km deep · 73 km away
- 1.96 km W of Riverside, Washington · 12587 days ago · 6 km deep · 50 km away
- 2.22 km W of Mansfield, Washington · 12583 days ago · 0 km deep · 74 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10288718. Read Fri, Oct 2, 2026, 3:02 PM UTC.