M1.8 earthquake 3 km E of Connell, Washington
A magnitude 1.8 earthquake struck 3 km E of Connell, Washington on Thu, Aug 1, 1985, 1:16 AM PDT (08:16 UTC), 2 km (1 mi) below the surface.
A larger quake followed: M2.1 9 km WSW 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
- 1.8 (md), micro
- Local time
- UTC
- 1985-08-01 08:16:56 UTC
- Depth
- 1.9 km (1.2 mi), shallow
- Epicenter
- 46.664° N, 118.820° 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 1.8 km horizontally, 1.7 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 185°, poorly surrounded by stations
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.88 km SW of Warden, Washington · 15023 days ago · 0 km deep · 36 km away
- 2.19 km WSW of Royal City, Washington · 15008 days ago · 0 km deep · 75 km away
- 2.712 km SSE of Dayton, Washington · 15004 days ago · 0 km deep · 85 km away
- 1.914 km NW of Mattawa, Washington · 15003 days ago · 0 km deep · 96 km away
- 2.213 km WNW of Mattawa, Washington · 14992 days ago · 0 km deep · 95 km away
- 2.515 km WNW of Pomeroy, Washington · 14974 days ago · 0 km deep · 80 km away
- 1.913 km WNW of Mattawa, Washington · 14972 days ago · 3 km deep · 96 km away
- 1.712 km WNW of Mattawa, Washington · 14972 days ago · 0 km deep · 94 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10191543. Read Tue, Sep 22, 2026, 9:52 AM UTC.