M1.5 earthquake 13 km S of Chilliwack, Canada
A magnitude 1.5 earthquake struck 13 km S of Chilliwack, Canada on Thu, Aug 12, 1982, 3:10 PM PDT (22:10 UTC), 3 km (2 mi) below the surface.
A larger quake followed: M1.7 7 km NE of Concrete, 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
- 1982-08-12 22:10:25 UTC
- Depth
- 2.6 km (1.6 mi), shallow
- Epicenter
- 49.045° N, 121.976° W
- Region
- Canada
- 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 16.8 km horizontally, 21.1 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 297°, poorly surrounded by stations
- 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: 4 in the 60 days after this one and 5 in the 30 days before it.
After
- 1.77 km NE of Concrete, Washington · 16101 days ago · -1 km deep · 55 km away
- 1.91 km WNW of Orcas, Washington · 16093 days ago · 12 km deep · 88 km away
- 2.05 km N of Friday Harbor, Washington · 16093 days ago · 6 km deep · 92 km away
- 1.79 km ESE of Orcas, Washington · 16085 days ago · 54 km deep · 82 km away
Before
- 2.86 km NNE of Acme, Washington · 16119 days ago · 13 km deep · 33 km away
- 2.010 km SSW of Chilliwack, Canada · 16121 days ago · 2 km deep · 4 km away
- 1.91 km WNW of Rockport, Washington · 16131 days ago · 0 km deep · 67 km away
- 1.72 km NNE of Rockport, Washington · 16131 days ago · 2 km deep · 66 km away
- 2.04 km ENE of Sedro-Woolley, Washington · 16131 days ago · 15 km deep · 60 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10139078. Read Tue, Sep 22, 2026, 2:40 PM UTC.