M1.9 earthquake 17 km S of Morton, Washington
A magnitude 1.9 earthquake struck 17 km S of Morton, Washington on Fri, Sep 28, 2001, 11:44 PM PDT (06:44 UTC), 17 km (11 mi) below the surface.
A larger quake followed: M2.1 25 km ENE of Packwood, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (md), micro
- Local time
- UTC
- 2001-09-29 06:44:58 UTC
- Depth
- 17.3 km (10.8 mi), shallow
- Epicenter
- 46.402° N, 122.285° 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 0.3 km horizontally, 0.5 km in depth
- Magnitude uncertainty
- ±0.02
- Depth from
- From location
- Station coverage gap
- 50°
- Stations used
- 31
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 5 in the 30 days before it.
After
- 2.125 km ENE of Packwood, Washington · 9113 days ago · 4 km deep · 77 km away
- 1.52 km E of Hockinson, Washington · 9113 days ago · 10 km deep · 74 km away
- 1.737 km NNE of Amboy, Washington · 9105 days ago · 0 km deep · 24 km away
- 1.76 km ESE of Carbonado, Washington · 9104 days ago · 4 km deep · 78 km away
- 2.110 km S of Mossyrock, Washington · 9093 days ago · 18 km deep · 15 km away
- 1.52 km NE of Brush Prairie, Washington · 9090 days ago · 17 km deep · 75 km away
- 1.733 km NNE of Amboy, Washington · 9086 days ago · 11 km deep · 23 km away
- 1.617 km NNE of Ashford, Washington · 9084 days ago · 10 km deep · 62 km away
Before
- 1.538 km NNE of Amboy, Washington · 9136 days ago · 0 km deep · 23 km away
- 1.615 km SSW of Morton, Washington · 9145 days ago · 16 km deep · 4 km away
- 1.54 km ESE of Mossyrock, Washington · 9149 days ago · 19 km deep · 17 km away
- 1.619 km E of Kelso, Washington · 9157 days ago · 13 km deep · 40 km away
- 2.115 km ESE of Carbonado, Washington · 9161 days ago · 16 km deep · 76 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10548963. Read Wed, Sep 30, 2026, 11:31 AM UTC.