M2.0 earthquake 8 km WNW of Belfair, Washington
A magnitude 2.0 earthquake struck 8 km WNW of Belfair, Washington on Mon, Nov 20, 1978, 9:21 PM PST (05:21 UTC), 13 km (8 mi) below the surface.
A larger quake followed: M4.2 4 km NE of Fall City, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.0 (md), micro
- Local time
- UTC
- 1978-11-21 05:21:17 UTC
- Depth
- 13.0 km (8.1 mi), shallow
- Epicenter
- 47.484° N, 122.933° 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 0.5 km horizontally, 1.1 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 117°
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 3 in the 30 days before it.
After
- 1.6Puget Sound region, Washington · 17469 days ago · 23 km deep · 28 km away
- 2.413 km NE of Hoodsport, Washington · 17467 days ago · 15 km deep · 7 km away
- 1.70 km N of Lake Forest Park, Washington · 17466 days ago · 20 km deep · 58 km away
- 1.615 km NNW of Jamestown, Washington · 17460 days ago · 45 km deep · 87 km away
- 1.611 km W of Ault Field, Washington · 17452 days ago · 14 km deep · 97 km away
- 3.4Olympic Peninsula, Washington · 17441 days ago · 40 km deep · 26 km away
- 4.24 km NE of Fall City, Washington · 17439 days ago · 18 km deep · 83 km away
- 2.612 km SSW of Bell Hill, Washington · 17426 days ago · 40 km deep · 54 km away
- 1.72 km S of Skokomish, Washington · 17420 days ago · 38 km deep · 25 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10848398. Read Mon, Sep 28, 2026, 9:46 PM UTC.