M1.6 earthquake 19 km E of Kelso, Washington
A magnitude 1.6 earthquake struck 19 km E of Kelso, Washington on Tue, Sep 4, 2001, 4:51 PM PDT (23:51 UTC), 13 km (8 mi) below the surface.
A larger quake followed: M1.9 17 km S of Morton, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (md), micro
- Local time
- UTC
- 2001-09-04 23:51:01 UTC
- Depth
- 13.2 km (8.2 mi), shallow
- Epicenter
- 46.148° N, 122.661° 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
- ±0.03
- Depth from
- From location
- Station coverage gap
- 60°
- Stations used
- 27
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 2 in the 30 days before it.
After
- 1.54 km ESE of Mossyrock, Washington · 9149 days ago · 19 km deep · 44 km away
- 1.615 km SSW of Morton, Washington · 9145 days ago · 16 km deep · 40 km away
- 1.538 km NNE of Amboy, Washington · 9136 days ago · 0 km deep · 37 km away
- 1.917 km S of Morton, Washington · 9133 days ago · 17 km deep · 40 km away
- 1.62 km S of Beaverton, Oregon · 9128 days ago · 24 km deep · 77 km away
- 1.52 km E of Hockinson, Washington · 9113 days ago · 10 km deep · 48 km away
- 1.737 km NNE of Amboy, Washington · 9105 days ago · 0 km deep · 37 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10533208. Read Wed, Sep 30, 2026, 6:41 PM UTC.