M1.5 earthquake 3 km NW of Bryant, Washington
A magnitude 1.5 earthquake struck 3 km NW of Bryant, Washington on Thu, Nov 2, 1978, 1:31 PM PST (21:31 UTC), 11 km (7 mi) below the surface.
A larger quake followed: M1.6 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
- 1.5 (md), micro
- Local time
- UTC
- 1978-11-02 21:31:19 UTC
- Depth
- 10.6 km (6.6 mi), shallow
- Epicenter
- 48.261° N, 122.182° 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 0.3 km horizontally, 0.7 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 119°
- Stations used
- 6
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.5Washington-British Columbia border region · 17466 days ago · 8 km deep · 95 km away
- 1.6Puget Sound region, Washington · 17464 days ago · 23 km deep · 87 km away
- 1.70 km N of Lake Forest Park, Washington · 17461 days ago · 20 km deep · 56 km away
- 1.615 km NNW of Jamestown, Washington · 17455 days ago · 45 km deep · 73 km away
- 1.611 km W of Ault Field, Washington · 17447 days ago · 14 km deep · 49 km away
- 4.24 km NE of Fall City, Washington · 17434 days ago · 18 km deep · 78 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10848293. Read Wed, Sep 23, 2026, 10:01 PM UTC.