M1.8 earthquake 5 km SW of Lebam, Washington
A magnitude 1.8 earthquake struck 5 km SW of Lebam, Washington on Fri, Aug 9, 1985, 11:37 AM PDT (18:37 UTC), 7 km (4 mi) below the surface.
A larger quake followed: M2.0 5 km SE of Pe Ell, 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
- 1985-08-09 18:37:46 UTC
- Depth
- 7.0 km (4.4 mi), shallow
- Epicenter
- 46.523° N, 123.588° 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 1.3 km horizontally, 2.8 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- Operator assigned
- Station coverage gap
- 164°
- Stations used
- 27
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 2 in the 30 days before it.
After
- 2.05 km SE of Pe Ell, Washington · 15018 days ago · -1 km deep · 26 km away
- 2.526 km SE of Neilton, Washington · 14986 days ago · 1 km deep · 84 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10193368. Read Tue, Sep 22, 2026, 5:59 AM UTC.