M2.2 earthquake 6 km SE of Kelso, WA
A magnitude 2.2 earthquake struck 6 km SE of Kelso, WA on Wed, May 16, 1979, 7:11 PM PDT (02:11 UTC), 27 km (17 mi) below the surface.
A larger quake followed: M3.6 9 km SSW 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
- 2.2 (md), micro
- Local time
- UTC
- 1979-05-17 02:11:32 UTC
- Depth
- 27.3 km (17.0 mi), shallow
- Epicenter
- 46.113° N, 122.843° 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 2.6 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 246°, poorly surrounded by stations
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 0 in the 30 days before it.
After
- 2.216 km N of Mossyrock, Washington · 17298 days ago · 8 km deep · 68 km away
- 1.717 km N of Mossyrock, Washington · 17294 days ago · -1 km deep · 70 km away
- 1.632 km S of Morton, Washington · 17294 days ago · 10 km deep · 45 km away
- 3.69 km SSW of Morton, Washington · 17251 days ago · 20 km deep · 57 km away
- 2.710 km SSW of Morton, Washington · 17251 days ago · 22 km deep · 57 km away
- 1.99 km SSW of Morton, Washington · 17251 days ago · 20 km deep · 57 km away
- 1.810 km SSW of Morton, Washington · 17250 days ago · 19 km deep · 56 km away
- 1.69 km SSW of Morton, Washington · 17250 days ago · 19 km deep · 57 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10849768. Read Wed, Sep 30, 2026, 7:02 AM UTC.