M1.8 earthquake 2 km SSE of Entiat, Washington
A magnitude 1.8 earthquake struck 2 km SSE of Entiat, Washington on Tue, Oct 22, 2002, 3:11 AM PDT (10:11 UTC), -1 km (0 mi) below the surface.
A larger quake followed: M2.9 13 km WSW of Royal City, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 2002-10-22 10:11:34 UTC
- Depth
- -0.7 km (-0.5 mi), shallow
- Epicenter
- 47.658° N, 120.199° 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 0.6 km horizontally
- Magnitude uncertainty
- ±0.03
- Depth from
- From location
- Station coverage gap
- 54°
- Stations used
- 18
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
- 2.913 km WSW of Royal City, Washington · 8745 days ago · 2 km deep · 95 km away
- 2.73 km NNE of Entiat, Washington · 8742 days ago · -1 km deep · 5 km away
- 2.17 km SW of Chelan Falls, Washington · 8717 days ago · -1 km deep · 15 km away
- 1.67 km SSW of Marlin, Washington · 8715 days ago · 0 km deep · 94 km away
- 1.62 km ESE of Okanogan, Washington · 8707 days ago · -1 km deep · 91 km away
- 2.77 km SW of Chelan Falls, Washington · 8696 days ago · 1 km deep · 15 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10572288. Read Thu, Oct 1, 2026, 10:17 AM UTC.