M4.2 earthquake 183 km W of Tofino, Canada
A magnitude 4.2 earthquake struck 183 km W of Tofino, Canada on Sat, May 2, 1981, 6:27 AM PDT (13:27 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.4 201 km SW of Vernon, Canada. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1981-05-02 13:27:30 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 49.018° N, 128.405° 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 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayCanada earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001dgb. Read Sat, Oct 3, 2026, 1:06 AM UTC.