Three 'pretty big' earthquakes reported in Pacific Ocean off Vancouver Island

23 October, 2018, 03:02 | Author: Clarence Schmidt
  • 12:45am

An quake of magnitude 6.7 struck off the Canadian province of British Columbia on Monday, the United States Geological Survey said.

Canadian Broadcasting Corp.'s seismologist and meteorologist Johanna Wagstaffe reported that the quakes were relatively shallow in depth and showed a horizontal "strike-slip" movement, which lessened the tsunami threat.

Three earthquakes of the magnitude recorded within a 45-minute window are unusual, Cassidy said, but he added they don't necessarily mean a damaging shaker is imminent.

A trio of powerful earthquakes, including a magnitude 6.8, struck off the coast of British Columbia late Sunday night.

Several strong earthquakes hit off the coast of Vancouver Island, British Columbia, on October 22.


Several 4.0 or greater earthquakes also struck around the same area.

There were no immediate tsunami warnings following the earthquakes.

Is there a tsunami alert on Canada coast after three 6 magnitude tremors hit?

The first-of-its kind warning sensors developed by Ocean Networks Canada is installed along the Cascadia subduction zone and when fully operating next March will be able to estimate location and magnitude of a megathrust natural disaster. By comparing the tree rings of dead trees with those still living they could tell when the last of these great earthquakes struck the region.

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