M2.3 earthquake 2 km S of Chelan, Washington
A magnitude 2.3 earthquake struck 2 km S of Chelan, Washington on Sun, Mar 27, 1983, 1:09 PM PST (21:09 UTC), 7 km (5 mi) below the surface.
A larger quake followed: M3.0 12 km SW of Tonasket, 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
- 1983-03-27 21:09:57 UTC
- Depth
- 7.3 km (4.5 mi), shallow
- Epicenter
- 47.819° N, 120.013° 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 0.6 km horizontally, 0.8 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 66°
- 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: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 2.26 km SSW of Chelan Falls, Washington · 15877 days ago · 4 km deep · 8 km away
- 1.78 km S of Leavenworth, Washington · 15871 days ago · 1 km deep · 58 km away
- 1.88 km SSE of Leavenworth, Washington · 15870 days ago · 7 km deep · 57 km away
- 3.012 km SW of Tonasket, Washington · 15857 days ago · 8 km deep · 96 km away
- 1.98 km SSW of Tonasket, Washington · 15842 days ago · 11 km deep · 99 km away
- 1.85 km WNW of Entiat, Washington · 15840 days ago · 5 km deep · 25 km away
- 2.124 km NW of Soap Lake, Washington · 15829 days ago · 9 km deep · 38 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10156623. Read Wed, Sep 23, 2026, 11:59 PM UTC.