M1.7 earthquake 10 km ESE of Riverbend, Washington
A magnitude 1.7 earthquake struck 10 km ESE of Riverbend, Washington on Thu, Sep 10, 2026, 1:46 AM PDT (08:46 UTC), 13 km (8 mi) below the surface.
A larger quake followed: M2.1 4 km SW of Wilderness Rim, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (ml), micro
- Local time
- UTC
- 2026-09-10 08:46:54 UTC
- Depth
- 12.8 km (8.0 mi), shallow
- Epicenter
- 47.426° N, 121.623° 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. If you felt it, tell the USGS: every report sharpens the shaking map.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.3 km horizontally, 0.5 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 138°
- Stations used
- 51
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 since this one and 9 in the 30 days before it.
After
- 1.57 km NNE of Ashford, Washington · 10 days ago · 8 km deep · 73 km away
- 2.14 km SW of Wilderness Rim, Washington · 6 days ago · 21 km deep · 14 km away · felt by 2
- 1.511 km NE of Ashford, Washington · 5 days ago · 5 km deep · 70 km away
- 2.03 km ESE of East Renton Highlands, Washington · 46 hr ago · 14 km deep · 34 km away
- 2.45 km SW of Wilderness Rim, Washington · 9 hr ago · 19 km deep · 15 km away · felt by 10
Before
- 1.617 km SSW of Nile, Washington · 14 days ago · 9 km deep · 92 km away
- 2.14 km NNE of Snoqualmie, Washington · 20 days ago · 18 km deep · 20 km away · felt by 4
- 1.68 km E of Ashford, Washington · 23 days ago · -1 km deep · 77 km away
- 1.61 km NNE of Maple Valley, Washington · 24 days ago · 16 km deep · 32 km away
- 1.78 km E of Ashford, Washington · 31 days ago · 2 km deep · 77 km away
- 2.48 km E of Ashford, Washington · 31 days ago · 4 km deep · 77 km away · felt by 3
- 1.72 km NNE of May Creek, Washington · 32 days ago · 4 km deep · 50 km away
- 1.52 km WNW of Ames Lake, Washington · 39 days ago · 11 km deep · 37 km away
- 1.72 km NNW of Enetai, Washington · 42 days ago · 23 km deep · 77 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw714098911. Read Tue, Sep 22, 2026, 3:58 PM UTC.