M1.8 earthquake 4 km ENE of Mesa, Washington
A magnitude 1.8 earthquake struck 4 km ENE of Mesa, Washington on Tue, Jan 23, 1990, 1:32 PM PST (21:32 UTC), 3 km (2 mi) below the surface.
A larger quake followed: M2.3 6 km E of Vantage, 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, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1990-01-23 21:32:53 UTC
- Depth
- 2.7 km (1.7 mi), shallow
- Epicenter
- 46.598° N, 118.959° 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 1.6 km horizontally, 1.4 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 219°, poorly surrounded by stations
- Stations used
- 5
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
- 2.06 km E of Vantage, Washington · 13383 days ago · 1 km deep · 81 km away
- 2.36 km E of Vantage, Washington · 13371 days ago · 2 km deep · 81 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10257253. Read Fri, Oct 2, 2026, 3:17 AM UTC.