M1.7 earthquake 12 km NE of Conconully, Washington
A magnitude 1.7 earthquake struck 12 km NE of Conconully, Washington on Thu, Jan 4, 1990, 8:17 AM PST (16:17 UTC), -1 km (-1 mi) below the surface.
A larger quake followed: M2.3 7 km SSE of Okanagan Falls, Canada. 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, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1990-01-04 16:17:49 UTC
- Depth
- -1.1 km (-0.7 mi), shallow
- Epicenter
- 48.625° N, 119.623° 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 0.6 km horizontally, 1.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 268°, poorly surrounded by stations
- Stations used
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.37 km SSE of Okanagan Falls, Canada · 13391 days ago · 10 km deep · 74 km away
- 1.815 km NNW of Banks Lake South, Washington · 13387 days ago · -1 km deep · 98 km away
- 2.09 km ESE of Mansfield, Washington · 13370 days ago · 2 km deep · 93 km away
- 2.15 km WNW of Disautel, Washington · 13363 days ago · -1 km deep · 36 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10251958. Read Sat, Oct 3, 2026, 4:04 PM UTC.