M3.1 earthquake 5 km WSW of Harrah, Washington
A magnitude 3.1 earthquake struck 5 km WSW of Harrah, Washington on Tue, Aug 11, 2026, 9:23 AM PDT (16:23 UTC), 12 km (7 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (ml), minor
- Local time
- UTC
- 2026-08-11 16:23:52 UTC
- Depth
- 11.8 km (7.3 mi), shallow
- Epicenter
- 46.390° N, 120.609° W
- Region
- Washington
- Felt reports
- 57
- Strongest shaking
- III, weak shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- III, weak shaking
- Peak ground acceleration
- 0.6% of gravity
- Peak ground velocity
- 0.1 cm/s
- Map
- Automatic

Did you feel it?
57 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.2 km horizontally, 0.5 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 46°
- Stations used
- 100
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 since this one and 2 in the 30 days before it.
After
- 1.517 km SSE of White Swan, Washington · 41 days ago · 6 km deep · 18 km away
- 1.520 km S of Packwood, Washington · 32 days ago · 4 km deep · 78 km away
- 1.617 km SSW of Nile, Washington · 22 days ago · 9 km deep · 48 km away
- 2.623 km N of Trout Lake, Washington · 3 days ago · -1 km deep · 73 km away · felt by 2
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw714075502 (also filed as us6000tk02). Read Wed, Sep 30, 2026, 9:19 PM UTC.