M1.9 earthquake 3 km E of La Conner, Washington
A magnitude 1.9 earthquake struck 3 km E of La Conner, Washington on Sat, Aug 24, 1974, 9:41 PM PDT (04:41 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M2.3 11 km NNE of Jamestown, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1974-08-25 04:41:57 UTC
- Depth
- 18.0 km (11.2 mi), shallow
- Epicenter
- 48.386° N, 122.445° 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 0.3 km horizontally, 1.0 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- Operator assigned
- Station coverage gap
- 123°
- Stations used
- 7
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 6 in the 30 days before it.
After
- 1.818 km ENE of North Saanich, Canada · 19031 days ago · 12 km deep · 64 km away
- 2.210 km NNW of Quilcene, Washington · 19029 days ago · 18 km deep · 63 km away
- 1.816 km NE of Jamestown, Washington · 19020 days ago · 52 km deep · 40 km away
- 2.28 km NW of Seattle, Washington · 19019 days ago · 17 km deep · 80 km away
- 1.75 km E of Alger, Washington · 19009 days ago · 0 km deep · 29 km away
- 1.71 km S of Kendall, Washington · 19008 days ago · 15 km deep · 62 km away
- 2.218 km NNW of Jamestown, Washington · 19007 days ago · 43 km deep · 58 km away
- 2.112 km NNW of Carlsborg, Washington · 19000 days ago · 46 km deep · 63 km away
- 2.11 km W of Woods Creek, Washington · 18997 days ago · 31 km deep · 69 km away
- 2.311 km NNE of Jamestown, Washington · 18994 days ago · 22 km deep · 45 km away
Before
- 2.03 km N of Kingston, Washington · 19035 days ago · 13 km deep · 62 km away
- 2.43 km WNW of Fobes Hill, Washington · 19037 days ago · 32 km deep · 52 km away
- 2.10 km WNW of Brier, Washington · 19038 days ago · 20 km deep · 68 km away
- 1.95 km WNW of Coupeville, Washington · 19040 days ago · 19 km deep · 29 km away
- 1.66 km NNW of Darrington, Washington · 19043 days ago · -1 km deep · 61 km away
- 1.51 km WSW of Mountlake Terrace, Washington · 19053 days ago · 0 km deep · 67 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10859338. Read Fri, Oct 2, 2026, 9:19 AM UTC.