M2.3 earthquake 13 km SSE of Twisp, Washington
A magnitude 2.3 earthquake struck 13 km SSE of Twisp, Washington on Mon, Aug 13, 2001, 4:47 AM PDT (11:47 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M2.5 6 km N of Waterville, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (md), micro
- Local time
- UTC
- 2001-08-13 11:47:28 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 48.260° N, 120.026° 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 1.4 km horizontally, 2.2 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 245°, poorly surrounded by stations
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.941 km S of Princeton, Canada · 9150 days ago · 10 km deep · 97 km away
- 2.56 km N of Waterville, Washington · 9146 days ago · 2 km deep · 61 km away
- 1.715 km WSW of Conconully, Washington · 9131 days ago · -1 km deep · 28 km away
- 1.512 km WNW of Methow, Washington · 9131 days ago · -1 km deep · 14 km away
- 2.040 km ESE of Darrington, Washington · 9129 days ago · -1 km deep · 80 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10536918. Read Wed, Sep 30, 2026, 9:26 PM UTC.