M1.7 earthquake 5 km W of Waterville, Washington
A magnitude 1.7 earthquake struck 5 km W of Waterville, Washington on Fri, Jan 28, 1977, 3:19 AM PST (11:19 UTC), 3 km (2 mi) below the surface.
A larger quake followed: M1.8 7 km W of Entiat, 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
- 1977-01-28 11:19:42 UTC
- Depth
- 3.3 km (2.0 mi), shallow
- Epicenter
- 47.641° N, 120.146° 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 0.2 km horizontally, 0.7 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 107°
- Stations used
- 10
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 5 in the 30 days before it.
After
- 1.87 km W of Entiat, Washington · 18121 days ago · 2 km deep · 13 km away
- 1.64 km NNE of Waterville, Washington · 18109 days ago · 5 km deep · 9 km away
- 2.316 km W of Winthrop, Washington · 18096 days ago · 9 km deep · 98 km away
- 2.02 km SSE of Entiat, Washington · 18093 days ago · 6 km deep · 4 km away
- 2.414 km ENE of George, Washington · 18088 days ago · 14 km deep · 68 km away
- 2.717 km NNW of Soap Lake, Washington · 18088 days ago · 6 km deep · 42 km away
Before
- 3.25 km NE of Royal City, Washington · 18136 days ago · 1 km deep · 89 km away
- 1.85 km NE of Royal City, Washington · 18152 days ago · 1 km deep · 89 km away
- 1.73 km NNE of Entiat, Washington · 18160 days ago · 0 km deep · 8 km away
- 1.820 km N of Leavenworth, Washington · 18161 days ago · 6 km deep · 41 km away
- 1.65 km W of Entiat, Washington · 18162 days ago · 11 km deep · 11 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10843068. Read Tue, Sep 22, 2026, 9:30 PM UTC.