M2.4 earthquake 11 km SSE of Endicott, Washington
A magnitude 2.4 earthquake struck 11 km SSE of Endicott, Washington on Thu, Oct 10, 1985, 2:12 PM PDT (21:12 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M2.5 15 km ENE of Princeton, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.4 (md), micro
- Local time
- UTC
- 1985-10-10 21:12:24 UTC
- Depth
- -0.5 km (-0.3 mi), shallow
- Epicenter
- 46.834° N, 117.612° 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, 5.3 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- Operator assigned
- Station coverage gap
- 251°, poorly surrounded by stations
- Stations used
- 19
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 1 in the 30 days before it.
After
- 2.3Washington · 14949 days ago · 0 km deep · 35 km away
- 2.515 km ENE of Princeton, Idaho · 14915 days ago · 18 km deep · 75 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10199573. Read Tue, Sep 22, 2026, 3:44 PM UTC.