M1.7 earthquake 13 km NE of Richland, Washington
A magnitude 1.7 earthquake struck 13 km NE of Richland, Washington on Thu, Apr 22, 1982, 12:37 PM PST (20:37 UTC), 1 km (1 mi) below the surface.
A larger quake followed: M2.1 17 km SSE of Lind, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (md), micro
- Local time
- UTC
- 1982-04-22 20:37:22 UTC
- Depth
- 1.3 km (0.8 mi), shallow
- Epicenter
- 46.385° N, 119.177° 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, 1.2 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 59°
- 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: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.615 km W of Vantage, Washington · 16218 days ago · 0 km deep · 99 km away
- 2.117 km SSE of Lind, Washington · 16199 days ago · 0 km deep · 68 km away
Before
- 1.713 km W of La Crosse, Washington · 16231 days ago · 5 km deep · 97 km away
- 1.715 km NNE of Richland, Washington · 16236 days ago · 0 km deep · 2 km away
- 2.18 km NE of Grandview, Washington · 16245 days ago · 2 km deep · 50 km away
- 1.711 km NE of Grandview, Washington · 16254 days ago · 0 km deep · 48 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10130143. Read Tue, Sep 22, 2026, 5:21 PM UTC.