M1.7 earthquake 3 km ESE of Kittitas, Washington
A magnitude 1.7 earthquake struck 3 km ESE of Kittitas, Washington on Sun, Apr 15, 1979, 11:47 AM PST (19:47 UTC), 19 km (12 mi) below the surface.
A larger quake followed: M1.9 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
- 1979-04-15 19:47:41 UTC
- Depth
- 18.7 km (11.6 mi), shallow
- Epicenter
- 46.973° N, 120.368° 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 1.7 km horizontally, 1.5 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 210°, poorly surrounded by stations
- Stations used
- 12
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 4 in the 30 days before it.
After
- 1.9Washington · 17319 days ago · 0 km deep · 61 km away
- 1.521 km E of Desert Aire, Washington · 17318 days ago · 3 km deep · 66 km away
- 1.6Washington · 17310 days ago · 6 km deep · 78 km away
- 1.78 km NNE of Waterville, Washington · 17302 days ago · 5 km deep · 87 km away
- 2.46 km WNW of Entiat, Washington · 17293 days ago · 7 km deep · 82 km away
- 2.315 km NNW of Cliffdell, Washington · 17285 days ago · 4 km deep · 63 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10849538. Read Tue, Sep 22, 2026, 3:34 PM UTC.