M1.6 earthquake 15 km E of Mansfield, Washington
A magnitude 1.6 earthquake struck 15 km E of Mansfield, Washington on Fri, Dec 3, 1976, 7:08 PM PST (03:08 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M3.2 5 km NE of Royal City, 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), micro
- Local time
- UTC
- 1976-12-04 03:08:43 UTC
- Depth
- -0.3 km (-0.2 mi), shallow
- Epicenter
- 47.809° N, 119.425° 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 1.1 km horizontally
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 194°, poorly surrounded by stations
- Stations used
- 5
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.14 km W of Waterville, Washington · 18188 days ago · 5 km deep · 56 km away
- 1.77 km W of Entiat, Washington · 18184 days ago · 3 km deep · 68 km away
- 2.019 km E of Mansfield, Washington · 18183 days ago · -1 km deep · 4 km away
- 1.65 km N of Entiat, Washington · 18181 days ago · 2 km deep · 59 km away
- 1.65 km W of Entiat, Washington · 18170 days ago · 11 km deep · 66 km away
- 1.820 km N of Leavenworth, Washington · 18168 days ago · 6 km deep · 92 km away
- 1.73 km NNE of Entiat, Washington · 18167 days ago · 0 km deep · 59 km away
- 1.85 km NE of Royal City, Washington · 18160 days ago · 1 km deep · 98 km away
- 3.25 km NE of Royal City, Washington · 18143 days ago · 1 km deep · 98 km away
- 1.75 km W of Waterville, Washington · 18142 days ago · 3 km deep · 57 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10842668. Read Wed, Sep 30, 2026, 2:37 AM UTC.