M2.5 earthquake 16 km SSW of Packwood, Washington
A magnitude 2.5 earthquake struck 16 km SSW of Packwood, Washington on Sun, May 13, 1973, 12:57 AM PDT (07:57 UTC), -2 km (-1 mi) below the surface.
A larger quake followed: M2.8 12 km E of Wilkeson, 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
- 1973-05-13 07:57:39 UTC
- Depth
- -1.6 km (-1.0 mi), shallow
- Epicenter
- 46.462° N, 121.712° 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 0.6 km horizontally, 0.7 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- Operator assigned
- Station coverage gap
- 322°, 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: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.18 km ENE of Kalama, Washington · 19482 days ago · 13 km deep · 92 km away
- 1.833 km NE of Amboy, Washington · 19477 days ago · 8 km deep · 50 km away
- 2.812 km E of Wilkeson, Washington · 19475 days ago · 17 km deep · 71 km away
- 2.036 km SSE of Morton, Washington · 19469 days ago · 6 km deep · 40 km away
- 1.7Washington · 19447 days ago · 13 km deep · 76 km away
- 1.921 km E of Morton, Washington · 19446 days ago · 16 km deep · 23 km away
- 1.57 km SW of Tampico, Washington · 19433 days ago · 18 km deep · 60 km away
Before
- 2.615 km NNE of Ashford, Washington · 19503 days ago · 6 km deep · 49 km away
- 2.62 km SSE of DuPont, Washington · 19509 days ago · 26 km deep · 97 km away
- 3.429 km S of Morton, Washington · 19514 days ago · 13 km deep · 43 km away
- 2.414 km NNE of Ashford, Washington · 19518 days ago · 1 km deep · 50 km away
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10856213. Read Tue, Sep 22, 2026, 8:29 AM UTC.