M2.3 earthquake 6 km SW of Chelan Falls, Washington
A magnitude 2.3 earthquake struck 6 km SW of Chelan Falls, Washington on Fri, Feb 29, 1980, 8:05 AM PST (16:05 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M2.5 9 km N of Waterville, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (md), micro
- Local time
- UTC
- 1980-02-29 16:05:26 UTC
- Depth
- 4.7 km (2.9 mi), shallow
- Epicenter
- 47.755° N, 120.044° 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 0.4 km horizontally, 1.0 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- From location
- Station coverage gap
- 61°
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.59 km N of Waterville, Washington · 17000 days ago · 1 km deep · 4 km away
- 1.67 km NW of Entiat, Washington · 16993 days ago · 1 km deep · 18 km away
- 1.81 km N of Chelan, Washington · 16966 days ago · -1 km deep · 11 km away
- 2.321 km WNW of Entiat, Washington · 16952 days ago · 6 km deep · 32 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10076333. Read Tue, Sep 22, 2026, 2:17 PM UTC.