M1.8 earthquake 13 km N of Richland, Washington
A magnitude 1.8 earthquake struck 13 km N of Richland, Washington on Mon, Jan 22, 1979, 11:11 PM PST (07:11 UTC), 2 km (1 mi) below the surface.
A larger quake followed: M2.1 8 km ESE of Walla Walla East, 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
- 1979-01-23 07:11:23 UTC
- Depth
- 1.9 km (1.2 mi), shallow
- Epicenter
- 46.407° N, 119.265° 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 0.7 km horizontally, 1.2 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 123°
- Stations used
- 12
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
- 2.18 km ESE of Walla Walla East, Washington · 17404 days ago · 0 km deep · 92 km away
- 1.821 km E of Desert Aire, Washington · 17401 days ago · 6 km deep · 40 km away
- 2.114 km WNW of Boardman, Oregon · 17393 days ago · 0 km deep · 71 km away
- 2.113 km NW of Boardman, Oregon · 17386 days ago · -1 km deep · 67 km away
- 3.67 km SE of Mabton, Washington · 17384 days ago · 18 km deep · 58 km away
- 1.62 km WNW of Othello, Washington · 17371 days ago · 6 km deep · 48 km away
- 1.518 km W of Othello, Washington · 17357 days ago · 0 km deep · 46 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10848798. Read Tue, Sep 22, 2026, 10:26 AM UTC.