M2.1 earthquake 2 km NNW of Connell, Washington
A magnitude 2.1 earthquake struck 2 km NNW of Connell, Washington on Mon, Dec 29, 1975, 6:27 AM PST (14:27 UTC), 9 km (6 mi) below the surface.
A larger quake followed: M2.7 12 km NNW of Basin 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
- 2.1 (md), micro
- Local time
- UTC
- 1975-12-29 14:27:46 UTC
- Depth
- 9.3 km (5.8 mi), shallow
- Epicenter
- 46.687° N, 118.877° 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, 1.9 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 134°
- 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: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.712 km NNW of Basin City, Washington · 18535 days ago · 4 km deep · 26 km away
- 2.311 km NNW of Basin City, Washington · 18534 days ago · 4 km deep · 27 km away
- 2.012 km NNW of Basin City, Washington · 18532 days ago · 5 km deep · 27 km away
- 2.610 km NNW of Basin City, Washington · 18529 days ago · 4 km deep · 27 km away
- 2.11 km WNW of Connell, Washington · 18524 days ago · 15 km deep · 2 km away
- 2.116 km N of Richland, Washington · 18506 days ago · 2 km deep · 41 km away
- 2.015 km S of Benton City, Washington · 18491 days ago · 2 km deep · 77 km away
- 1.611 km NNE of Mattawa, Washington · 18486 days ago · 5 km deep · 76 km away
- 2.015 km S of Benton City, Washington · 18480 days ago · 2 km deep · 77 km away
Before
- 1.612 km NNW of Basin City, Washington · 18538 days ago · 0 km deep · 26 km away
- 1.514 km SSW of Othello, Washington · 18546 days ago · 24 km deep · 28 km away
- 1.717 km ENE of George, Washington · 18554 days ago · 14 km deep · 75 km away
- 1.94 km ESE of Vantage, Washington · 18557 days ago · 3 km deep · 84 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10862438. Read Tue, Sep 29, 2026, 5:28 AM UTC.