M1.6 earthquake 12 km S of Mesa, Washington
A magnitude 1.6 earthquake struck 12 km S of Mesa, Washington on Tue, Feb 4, 2003, 8:33 AM PST (16:33 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M2.6 9 km WNW of Touchet, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 2003-02-04 16:33:39 UTC
- Depth
- 17.6 km (10.9 mi), shallow
- Epicenter
- 46.466° N, 119.010° 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, 0.7 km in depth
- Magnitude uncertainty
- ±0.03
- Depth from
- From location
- Station coverage gap
- 115°
- Stations used
- 22
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 2.119 km WNW of Helix, Oregon · 8640 days ago · 18 km deep · 63 km away
- 2.69 km WNW of Touchet, Washington · 8623 days ago · 8 km deep · 48 km away
- 2.09 km SW of Royal City, Washington · 8600 days ago · 3 km deep · 70 km away
- 2.18 km SE of Weston, Oregon · 8599 days ago · -1 km deep · 93 km away
- 1.924 km E of Desert Aire, Washington · 8594 days ago · 2 km deep · 50 km away
- 2.023 km E of Desert Aire, Washington · 8593 days ago · 0 km deep · 51 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10574078. Read Sat, Oct 3, 2026, 6:25 AM UTC.