M1.7 earthquake 10 km W of Entiat, Washington
A magnitude 1.7 earthquake struck 10 km W of Entiat, Washington on Sat, Jun 21, 2003, 6:20 AM PDT (13:20 UTC), 4 km (2 mi) below the surface.
A larger quake followed: M1.9 5 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
- 1.7 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 2003-06-21 13:20:58 UTC
- Depth
- 3.9 km (2.4 mi), shallow
- Epicenter
- 47.691° N, 120.340° 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 0.4 km horizontally, 1.4 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 118°
- Stations used
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.64 km W of Thorp, Washington · 8493 days ago · -1 km deep · 76 km away
- 1.95 km WSW of Entiat, Washington · 8486 days ago · -1 km deep · 6 km away
- 1.731 km NNW of Leavenworth, Washington · 8485 days ago · -1 km deep · 42 km away
- 1.57 km SSW of Malott, Washington · 8471 days ago · 0 km deep · 74 km away
- 1.59 km SSW of Chelan Falls, Washington · 8454 days ago · 4 km deep · 23 km away
- 1.88 km WNW of Entiat, Washington · 8453 days ago · -1 km deep · 3 km away
- 1.710 km W of Twisp, Washington · 8446 days ago · -1 km deep · 74 km away
Before
- 1.84 km NNE of Entiat, Washington · 8508 days ago · -1 km deep · 12 km away
- 1.917 km E of Mansfield, Washington · 8515 days ago · 0 km deep · 71 km away
- 2.513 km SSW of Snoqualmie Pass, WA · 8526 days ago · 16 km deep · 97 km away
- 1.52 km ENE of Entiat, Washington · 8531 days ago · -1 km deep · 12 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10586578. Read Thu, Oct 1, 2026, 9:35 AM UTC.