M2.7 earthquake 6 km SE of Shelton, Washington
A magnitude 2.7 earthquake struck 6 km SE of Shelton, Washington on Tue, May 9, 1978, 7:29 PM PDT (02:29 UTC), 38 km (24 mi) below the surface.
A larger quake followed: M3.3 Puget Sound region, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.7 (md), micro
- Local time
- UTC
- 1978-05-10 02:29:45 UTC
- Depth
- 38.5 km (23.9 mi), shallow
- Epicenter
- 47.178° N, 123.036° 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 1.3 km horizontally, 1.6 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 105°
- Stations used
- 17
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 8 in the 30 days before it.
After
- 1.57 km W of Burley, Washington · 17667 days ago · 24 km deep · 36 km away
- 1.82 km E of Sammamish, Washington · 17664 days ago · 11 km deep · 91 km away
- 1.96 km NW of Shelton, Washington · 17636 days ago · 40 km deep · 13 km away
- 1.511 km ENE of Onalaska, Washington · 17635 days ago · 12 km deep · 69 km away
- 3.3Puget Sound region, Washington · 17626 days ago · 46 km deep · 48 km away
- 1.67 km ESE of Mineral, Washington · 17615 days ago · 16 km deep · 90 km away
- 1.514 km NNE of Ashford, Washington · 17609 days ago · 3 km deep · 90 km away
- 1.6Washington · 17608 days ago · 3 km deep · 90 km away
Before
- 2.06 km WNW of Burley, Washington · 17668 days ago · 15 km deep · 37 km away
- 1.62 km N of Artondale, Washington · 17673 days ago · 20 km deep · 35 km away
- 1.92 km SSE of Belfair, Washington · 17675 days ago · 19 km deep · 32 km away
- 1.75 km W of Burley, Washington · 17676 days ago · 21 km deep · 37 km away
- 1.72 km W of Artondale, Washington · 17681 days ago · 23 km deep · 32 km away
- 2.23 km WSW of Artondale, Washington · 17682 days ago · 23 km deep · 30 km away
- 1.55 km SE of Hansville, Washington · 17682 days ago · 50 km deep · 89 km away
- 1.818 km SE of Carbonado, Washington · 17697 days ago · 20 km deep · 90 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10846833. Read Tue, Sep 22, 2026, 4:05 PM UTC.