M2.5 earthquake 23 km S of Mossyrock, Washington
A magnitude 2.5 earthquake struck 23 km S of Mossyrock, Washington on Fri, Oct 6, 1972, 5:52 PM PDT (00:52 UTC), 39 km (24 mi) below the surface.
A larger quake followed: M2.6 20 km SSE of Mossyrock, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.5 (md), micro
- Local time
- UTC
- 1972-10-07 00:52:14 UTC
- Depth
- 38.8 km (24.1 mi), shallow
- Epicenter
- 46.316° N, 122.502° 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 10.4 km horizontally, 7.2 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 303°, 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: 14 in the 60 days after this one and 0 in the 30 days before it.
After
- 2.019 km SSE of Mossyrock, Washington · 19708 days ago · 17 km deep · 10 km away
- 2.516 km SE of Carbonado, Washington · 19704 days ago · 7 km deep · 85 km away
- 2.421 km SSE of Mossyrock, Washington · 19702 days ago · 13 km deep · 8 km away
- 2.620 km SSE of Mossyrock, Washington · 19702 days ago · 15 km deep · 9 km away
- 1.926 km SE of Morton, Washington · 19697 days ago · 13 km deep · 35 km away
- 2.117 km WSW of Packwood, Washington · 19695 days ago · 6 km deep · 54 km away
- 2.416 km NNE of Ashford, Washington · 19690 days ago · 0 km deep · 77 km away
- 2.16 km NNE of Mossyrock, Washington · 19688 days ago · 32 km deep · 30 km away
- 1.816 km SSW of Morton, Washington · 19680 days ago · 19 km deep · 18 km away
- 2.127 km S of Morton, Washington · 19674 days ago · 1 km deep · 21 km away
- 3.12 km NE of Felida, Washington · 19667 days ago · 10 km deep · 67 km away
- 2.5Washington · 19661 days ago · 2 km deep · 30 km away
- 2.335 km SSE of Morton, Washington · 19661 days ago · 3 km deep · 31 km away
- 1.98 km E of Ashford, Washington · 19652 days ago · -1 km deep · 67 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10854348. Read Tue, Sep 22, 2026, 11:17 AM UTC.