Magnitude 4.8 and 4.2 earthquakes detected off the coast of Vancouver Island
Two more modestly-sized earthquakes were detected off the west coast of Vancouver Island this morning.
The seismic events at 9:48 am PT and 10:14 am PT had magnitudes of 4.8 and 4.2, respectively. Their epicentres were located 212 kms and 174 kms away from Tofino — within close proximity to the magnitude 5.4 earthquake at 8:20 am PT.
All three earthquakes had a shallow depth of 10 kms.
No damage can be expected from these earthquakes given the open ocean epicentre locations of the seismic events, but had these occurred near or on land they could have created damage, especially with their shallow depths.
Thousands of tremors occur in BC every year, but only a small fraction of these seismic events have a magnitude of four or higher. Most of the earthquakes occur off the coast of the province, where oceanic plates slide under the North American tectonic plate.
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