M1.7 earthquake 8 km SW of Entiat, Washington
A magnitude 1.7 earthquake struck 8 km SW of Entiat, Washington on Sun, Jul 9, 1978, 8:19 PM PDT (03:19 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M2.3 10 km S of Baring, 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
- 1978-07-10 03:19:49 UTC
- Depth
- -0.1 km (-0.1 mi), shallow
- Epicenter
- 47.619° N, 120.283° 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 0.8 km horizontally
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 142°
- Stations used
- 6
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 7 in the 30 days before it.
After
- 1.710 km NW of Entiat, Washington · 17604 days ago · 0 km deep · 14 km away
- 1.65 km NNW of Waterville, Washington · 17604 days ago · 4 km deep · 17 km away
- 2.310 km S of Baring, Washington · 17568 days ago · 11 km deep · 91 km away
- 2.08 km N of Waterville, Washington · 17562 days ago · 3 km deep · 21 km away
Before
- 1.57 km W of Entiat, Washington · 17609 days ago · 0 km deep · 6 km away
- 1.78 km SSW of Chelan Falls, Washington · 17613 days ago · 4 km deep · 23 km away
- 1.78 km NW of Nile, Washington · 17617 days ago · 2 km deep · 99 km away
- 3.66 km NNW of Nile, Washington · 17620 days ago · 11 km deep · 98 km away
- 2.27 km SE of Cliffdell, Washington · 17634 days ago · -1 km deep · 97 km away
- 1.58 km W of Entiat, Washington · 17634 days ago · 0 km deep · 6 km away
- 2.66 km NNW of Nile, Washington · 17636 days ago · 1 km deep · 98 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10847438. Read Tue, Sep 22, 2026, 3:34 PM UTC.