M4.0 earthquake 238 km SW of Tofino, Canada
A magnitude 4.0 earthquake struck 238 km SW of Tofino, Canada on Sun, Dec 21, 1980, 6:32 AM PST (14:32 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M4.6 259 km SW of Tofino, Canada. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1980-12-21 14:32:15 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 47.709° N, 128.285° 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
- Stations used
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3279 km WSW of Tofino, Canada · 16721 days ago · 15 km deep · 99 km away
- 4.6259 km SW of Tofino, Canada · 16720 days ago · 15 km deep · 35 km away
Before
Earthquakes todayCanada earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001bcx. Read Fri, Oct 2, 2026, 7:26 AM UTC.