M1.6 earthquake 14 km NNE of Richland, Washington
A magnitude 1.6 earthquake struck 14 km NNE of Richland, Washington on Tue, Jul 7, 1981, 1:33 PM PDT (20:33 UTC), 2 km (1 mi) below the surface.
A larger quake followed: M2.6 10 km W of Prescott, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (md), micro
- Local time
- UTC
- 1981-07-07 20:33:57 UTC
- Depth
- 1.6 km (1.0 mi), shallow
- Epicenter
- 46.400° N, 119.183° 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 0.9 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- Operator assigned
- Station coverage gap
- 63°
- 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: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.610 km W of Prescott, Washington · 16510 days ago · 2 km deep · 58 km away
- 1.529 km NNW of Benton City, Washington · 16481 days ago · 15 km deep · 35 km away
- 1.819 km NNE of Lexington, Oregon · 16469 days ago · 2 km deep · 94 km away
- 2.013 km W of Othello, Washington · 16455 days ago · 3 km deep · 50 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10114253. Read Tue, Sep 22, 2026, 5:24 AM UTC.