M1.5 earthquake 21 km N of West Richland, Washington
A magnitude 1.5 earthquake struck 21 km N of West Richland, Washington on Sat, Jun 3, 2006, 11:16 AM PDT (18:16 UTC), 4 km (2 mi) below the surface.
A larger quake followed: M2.2 9 km S of Royal City, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.5 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 2006-06-03 18:16:41 UTC
- Depth
- 3.8 km (2.3 mi), shallow
- Epicenter
- 46.494° N, 119.388° 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 0.2 km horizontally, 0.8 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 102°
- Stations used
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 2.12 km N of Yakima, Washington · 7422 days ago · -1 km deep · 87 km away
- 2.29 km S of Royal City, Washington · 7392 days ago · 18 km deep · 40 km away
- 1.65 km SSE of Washtucna, Washington · 7372 days ago · 13 km deep · 88 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10691168. Read Sat, Oct 3, 2026, 8:27 AM UTC.