M2.2 earthquake 3 km S of Entiat, Washington
A magnitude 2.2 earthquake struck 3 km S of Entiat, Washington on Fri, Sep 24, 1999, 4:12 PM PDT (23:12 UTC), 0 km (0 mi) below the surface.
A larger quake followed: M2.8 8 km WSW of Entiat, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 1999-09-24 23:12:59 UTC
- Depth
- -0.3 km (-0.2 mi), shallow
- Epicenter
- 47.646° N, 120.208° 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 0.9 km horizontally
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 172°
- Stations used
- 5
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 1.610 km N of Thorp, Washington · 9853 days ago · 3 km deep · 64 km away
- 2.88 km WSW of Entiat, Washington · 9844 days ago · 4 km deep · 8 km away
- 2.312 km E of Waterville, Washington · 9835 days ago · -1 km deep · 23 km away
- 1.515 km NE of Twisp, Washington · 9828 days ago · -1 km deep · 92 km away
- 2.59 km NE of Rock Island, Washington · 9827 days ago · -1 km deep · 25 km away
- 1.826 km NNE of Index, Washington · 9815 days ago · 5 km deep · 99 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10489018. Read Thu, Oct 1, 2026, 9:26 PM UTC.