M4.7 earthquake 150 km W of Tofino, Canada
A magnitude 4.7 earthquake struck 150 km W of Tofino, Canada on Sun, Aug 16, 1981, 3:40 AM PDT (10:40 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1981-08-16 10:40:09 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 48.936° N, 127.935° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001far. Read Mon, Sep 28, 2026, 9:54 AM UTC.