M1.8 earthquake Washington
A magnitude 1.8 earthquake struck in Washington on Mon, Mar 22, 1976, 4:23 AM PST (12:23 UTC), 2 km (1 mi) below the surface.
A larger quake followed: M1.9 22 km E of Desert Aire, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (md), micro
- Local time
- UTC
- 1976-03-22 12:23:20 UTC
- Depth
- 2.4 km (1.5 mi), shallow
- Epicenter
- 46.434° N, 119.250° 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 0.5 km horizontally, 0.9 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 98°
- Stations used
- 10
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 7 in the 30 days before it.
After
- 1.8Washington · 18445 days ago · 0 km deep · 38 km away
- 1.621 km E of Desert Aire, Washington · 18438 days ago · 3 km deep · 38 km away
- 1.922 km E of Desert Aire, Washington · 18417 days ago · 2 km deep · 38 km away
- 1.64 km WSW of Connell, Washington · 18417 days ago · 8 km deep · 35 km away
- 1.617 km ENE of George, Washington · 18394 days ago · 12 km deep · 82 km away
- 1.818 km ENE of George, Washington · 18394 days ago · 16 km deep · 84 km away
- 1.817 km ENE of George, Washington · 18394 days ago · 4 km deep · 83 km away
Before
- 1.616 km NNE of West Richland, Washington · 18452 days ago · 0 km deep · 1 km away
- 1.621 km E of Desert Aire, Washington · 18453 days ago · 3 km deep · 38 km away
- 1.619 km E of Desert Aire, Washington · 18453 days ago · 16 km deep · 40 km away
- 1.84 km ENE of Royal City, Washington · 18461 days ago · 16 km deep · 58 km away
- 2.113 km NNE of Touchet, Washington · 18467 days ago · 5 km deep · 56 km away
- 2.05 km SSE of Vantage, Washington · 18469 days ago · 4 km deep · 74 km away
- 2.015 km S of Benton City, Washington · 18474 days ago · 2 km deep · 38 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10840958. Read Tue, Sep 22, 2026, 4:08 PM UTC.