M2.3 earthquake 6 km SW of Marietta, Washington
A magnitude 2.3 earthquake struck 6 km SW of Marietta, Washington on Mon, Jan 1, 1973, 8:34 PM PST (04:34 UTC), 24 km (15 mi) below the surface.
A larger quake followed: M2.8 4 km E of Oak Bay, Canada. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (md), micro
- Local time
- UTC
- 1973-01-02 04:34:58 UTC
- Depth
- 24.1 km (15.0 mi), shallow
- Epicenter
- 48.745° N, 122.639° 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 1.6 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 256°, poorly surrounded by stations
- 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: 6 in the 60 days after this one and 7 in the 30 days before it.
After
- 2.84 km E of Oak Bay, Canada · 19598 days ago · 23 km deep · 55 km away
- 2.18 km SW of Carlsborg, Washington · 19590 days ago · 44 km deep · 91 km away
- 1.73 km ENE of Verlot, Washington · 19579 days ago · 13 km deep · 98 km away
- 2.513 km WSW of Marietta, Washington · 19567 days ago · 55 km deep · 9 km away
- 2.56 km NNE of Geneva, Washington · 19566 days ago · 8 km deep · 21 km away
- 2.74 km N of Jamestown, Washington · 19562 days ago · 25 km deep · 72 km away
Before
- 2.47 km NNE of Bryant, Washington · 19622 days ago · 14 km deep · 62 km away
- 2.27 km WSW of Lake Cavanaugh, Washington · 19622 days ago · 14 km deep · 62 km away
- 2.66 km E of Deming, Washington · 19645 days ago · 9 km deep · 38 km away
- 2.76 km ESE of Deming, Washington · 19645 days ago · 8 km deep · 38 km away
- 2.03 km WNW of Orcas, Washington · 19645 days ago · 12 km deep · 30 km away
- 3.34 km WSW of Orcas, Washington · 19645 days ago · 5 km deep · 33 km away
- 1.76 km S of Port Hadlock-Irondale, Washington · 19648 days ago · 29 km deep · 87 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10840133. Read Tue, Sep 22, 2026, 9:10 AM UTC.