M1.7 earthquake 11 km S of Mesa, Washington
A magnitude 1.7 earthquake struck 11 km S of Mesa, Washington on Tue, Apr 3, 1979, 11:19 AM PST (19:19 UTC), 4 km (2 mi) below the surface.
A larger quake followed: M4.3 6 km S of College Place, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (md), micro
- Local time
- UTC
- 1979-04-03 19:19:58 UTC
- Depth
- 3.7 km (2.3 mi), shallow
- Epicenter
- 46.472° N, 119.018° 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 0.4 km horizontally, 0.2 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 199°, poorly surrounded by stations
- Stations used
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.36 km S of College Place, Washington · 17335 days ago · 8 km deep · 72 km away
- 1.521 km E of Desert Aire, Washington · 17318 days ago · 3 km deep · 51 km away
- 2.017 km E of Dixie, Washington · 17317 days ago · 7 km deep · 90 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10849393. Read Tue, Sep 22, 2026, 11:24 PM UTC.