M1.7 earthquake 18 km E of Kelso, Washington
A magnitude 1.7 earthquake struck 18 km E of Kelso, Washington on Tue, Jul 9, 2002, 7:23 AM PDT (14:23 UTC), 14 km (9 mi) below the surface.
A larger quake followed: M2.4 14 km NNE of Ashford, 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), micro
- Local time
- UTC
- 2002-07-09 14:23:46 UTC
- Depth
- 14.3 km (8.9 mi), shallow
- Epicenter
- 46.148° N, 122.663° 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 0.5 km horizontally, 0.6 km in depth
- Magnitude uncertainty
- ±0.02
- Depth from
- From location
- Station coverage gap
- 114°
- Stations used
- 20
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 3 in the 30 days before it.
After
- 1.619 km E of Kelso, Washington · 8847 days ago · 14 km deep · 0 km away
- 2.110 km WSW of Scappoose, Oregon · 8844 days ago · 16 km deep · 54 km away
- 2.414 km NNE of Ashford, Washington · 8839 days ago · 5 km deep · 97 km away
- 2.410 km E of Vernonia, Oregon · 8820 days ago · 21 km deep · 46 km away
- 1.66 km E of Ashford, Washington · 8805 days ago · 7 km deep · 88 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10559523. Read Wed, Sep 30, 2026, 9:27 PM UTC.