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Small earthquake detected off the B.C. coast


Digital writers
theweathernetwork.com

Sunday, December 9, 2018, 1:17 PM - A small earthquake was detected Sunday morning off the B.C. coast, followed shortly after by a handful of aftershocks.

The first quake struck at 8:20 a.m. Pacific Time around 210 km southwest of Port Hardy on northern Vancouver Island, at a relatively shallow depth of 10 km, according to the U.S. Geological Survey (USGS). The USGS says that quake was rated Magnitude 5.4 No tsunami has been detected, and no damage has been reported.

At least two aftershocks have been detected so far: A 4.8 Magnitude tremor 212 km west of Tofino, and a 4.2 Magnitude quake 174 km west of Tofino. Neither appeared to have produced a tsunami or caused any reported damage.

British Columbia is the most seismically active province in Canada, whose coastline is situated along the Cascadia Subduction Zone, an area of the Earth's crust where the Juan da Fuca plate is slowly descending beneath the North American plate.

The most powerful earthquake in recorded North American history was located along that part of North America, an estimated Magnitude 9.0 monster that devastated the coast, entered into Indigenous legend, and produced a tsunami so large, it travelled across the Pacific to Japan, which hadn't felt the quake at all.

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