M2.5 earthquake 26 km SE of Neilton, Washington
A magnitude 2.5 earthquake struck 26 km SE of Neilton, Washington on Wed, Sep 11, 1985, 10:49 AM PDT (17:49 UTC), 1 km (1 mi) below the surface.
A larger quake followed: M3.0 4 km WSW of Des Moines, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.5 (md), micro
- Local time
- UTC
- 1985-09-11 17:49:02 UTC
- Depth
- 1.0 km (0.6 mi), shallow
- Epicenter
- 47.277° N, 123.587° 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 1.9 km horizontally, 70.5 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- Operator assigned
- Station coverage gap
- 87°
- Stations used
- 30
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 6 in the 30 days before it.
After
- 3.04 km WSW of Des Moines, Washington · 14985 days ago · 19 km deep · 92 km away
- 1.82 km WNW of Navy Yard City, Washington · 14973 days ago · 13 km deep · 74 km away
- 2.43 km NW of Burien, Washington · 14971 days ago · 23 km deep · 94 km away
- 2.02 km NW of Burien, Washington · 14971 days ago · 22 km deep · 94 km away
- 2.87 km N of Quilcene, Washington · 14963 days ago · 20 km deep · 87 km away
- 2.07 km WNW of Gorst, Washington · 14959 days ago · 21 km deep · 66 km away
- 2.69 km W of Belfair, Washington · 14952 days ago · 15 km deep · 51 km away
- 1.62 km ENE of Keyport, Washington · 14943 days ago · 16 km deep · 90 km away
- 2.62 km ESE of Silverdale, Washington · 14935 days ago · 20 km deep · 80 km away
Before
- 1.52 km SW of Des Moines, Washington · 14989 days ago · 15 km deep · 94 km away
- 2.52 km SW of Des Moines, Washington · 14989 days ago · 14 km deep · 95 km away
- 1.65 km NNW of Maplewood, Washington · 14990 days ago · 17 km deep · 78 km away
- 2.32 km ENE of Keyport, Washington · 14996 days ago · 19 km deep · 90 km away
- 1.51 km ESE of Keyport, Washington · 14999 days ago · 23 km deep · 87 km away
- 1.83 km NNW of Seabeck, Washington · 15008 days ago · 50 km deep · 71 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10193813. Read Thu, Sep 24, 2026, 12:09 PM UTC.