M2.6 earthquake 18 km N of Jamestown, Washington
A magnitude 2.6 earthquake struck 18 km N of Jamestown, Washington on Sat, Sep 4, 1971, 8:32 PM PDT (03:32 UTC), 49 km (30 mi) below the surface.
A larger quake followed: M3.0 9 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
- 2.6 (md), micro
- Local time
- UTC
- 1971-09-05 03:32:01 UTC
- Depth
- 48.9 km (30.4 mi), shallow
- Epicenter
- 48.292° N, 123.120° 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 3.4 km horizontally, 1.4 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 312°, 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: 10 in the 60 days after this one and 5 in the 30 days before it.
After
- 2.25 km E of Coupeville, Washington · 20105 days ago · 4 km deep · 39 km away
- 1.510 km NW of Brinnon, Washington · 20091 days ago · -1 km deep · 61 km away
- 1.94 km NNE of Seattle, Washington · 20091 days ago · 19 km deep · 94 km away
- 3.09 km E of Oak Bay, Canada · 20087 days ago · 30 km deep · 17 km away
- 3.220 km NNE of Jamestown, Washington · 20077 days ago · 23 km deep · 13 km away
- 2.112 km NW of Port Townsend, Washington · 20069 days ago · 28 km deep · 21 km away
- 2.42 km WSW of Suquamish, Washington · 20064 days ago · 18 km deep · 75 km away
- 2.81 km ENE of Keyport, Washington · 20060 days ago · 21 km deep · 76 km away
- 3.05 km N of Bangor Trident Base, Washington · 20052 days ago · 54 km deep · 65 km away
- 2.413 km NW of Ault Field, Washington · 20050 days ago · 31 km deep · 26 km away
Before
- 2.68 km NNE of Hoodsport, Washington · 20115 days ago · 44 km deep · 90 km away
- 1.96 km WSW of Port Hadlock-Irondale, Washington · 20116 days ago · 21 km deep · 36 km away
- 2.65 km NNE of Hoodsport, Washington · 20118 days ago · 40 km deep · 94 km away
- 2.26 km S of Hansville, Washington · 20129 days ago · 18 km deep · 63 km away
- 1.86 km WSW of Erlands Point-Kitsap Lake, Washington · 20136 days ago · 20 km deep · 83 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10839658. Read Tue, Sep 22, 2026, 12:14 PM UTC.