M2.3 earthquake 35 km SSE of Morton, Washington
A magnitude 2.3 earthquake struck 35 km SSE of Morton, Washington on Thu, Nov 23, 1972, 7:55 AM PST (15:55 UTC), 3 km (2 mi) below the surface.
A larger quake followed: M2.5 9 km W 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
- 2.3 (md), micro
- Local time
- UTC
- 1972-11-23 15:55:42 UTC
- Depth
- 3.0 km (1.9 mi), shallow
- Epicenter
- 46.263° N, 122.103° 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 8.7 km horizontally, 19.2 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- Operator assigned
- Station coverage gap
- 208°, poorly surrounded by stations
- Stations used
- 5
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 7 in the 30 days before it.
After
- 1.98 km E of Ashford, Washington · 19653 days ago · -1 km deep · 58 km away
- 2.59 km W of Packwood, Washington · 19645 days ago · 7 km deep · 44 km away
- 2.89 km ESE of Ashford, Washington · 19643 days ago · 9 km deep · 53 km away
- 1.722 km WSW of Packwood, Washington · 19626 days ago · 3 km deep · 32 km away
- 1.920 km SW of Nile, Washington · 19606 days ago · 6 km deep · 88 km away
Before
- 2.5Washington · 19662 days ago · 2 km deep · 2 km away
- 3.12 km NE of Felida, Washington · 19668 days ago · 10 km deep · 75 km away
- 2.127 km S of Morton, Washington · 19675 days ago · 1 km deep · 12 km away
- 2.010 km W of Odell, Oregon · 19680 days ago · 43 km deep · 80 km away
- 1.816 km SSW of Morton, Washington · 19681 days ago · 19 km deep · 23 km away
- 2.16 km NNE of Mossyrock, Washington · 19689 days ago · 32 km deep · 44 km away
- 2.416 km NNE of Ashford, Washington · 19691 days ago · 0 km deep · 70 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10854948. Read Wed, Sep 23, 2026, 2:38 AM UTC.