By Canadian Press

B.C. to install earthquake warning sensors to give life-saving notice

Jan 26, 2023 | 3:01 PM

VICTORIA — Up to 50 earthquake early warning sensors are being installed around British Columbia as part of a larger plan to protect people and infrastructure in a big quake. 

The sensors will be connected to the national Earthquake Early Warning system that’s expected to be in operation by 2023. 

A joint federal and provincial government announcement today says the sensors will give seconds, or perhaps tens of seconds, of warning before the strongest shaking arrives, helping to reduce injuries, deaths and property loss. 

Bowinn Ma, B.C.’s minister of emergency management, says in a statement that an early warning system is critical to helping those in the province mitigate the impacts of a seismic event. 

When the full system is operational next year, more than 10 million Canadians living in the most earthquake-prone areas of the country will get the early warning alerts, giving them precious seconds to take cover. 

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There are over 5,000 earthquakes in Canada every year, most of them along B.C.’s coast, although about 20 per cent of the quakes are along the St. Lawrence River and Ottawa River valleys. 

On Jan. 26, 1700, a magnitude-9 megathrust earthquake hit North America’s west coast, creating a tsunami that carried across the Pacific Ocean and slammed into Japan.  

The statement says if a similar quake happens when the early warning system is operating, it could give up to four minutes’ warning before the strongest shaking starts in coastal B.C. communities. 

It says the system could also be used to automatically trigger trains to slow down, stop traffic from driving over bridges or into tunnels, divert air traffic, automatically close gas valves, and open firehall and ambulance bay doors.  

This report by The Canadian Press was first published Jan. 26, 2023. 

The Canadian Press