5-magnitude quake hits 208 kilometres off Port Alice on Vancouver Island

5-magnitude quake hits 208 kilometres off Port Alice on Vancouver Island

5-magnitude quake hits 208 kilometres off Port Alice on Vancouver Island

Finally, a third seismic event, just six minutes later, reached magnitude-6.5 on the Richter Scale and was also measured at a depth of 10 km. It had a depth of 6 miles.

The tremors hit the Canadian province of British Columbia, which lays on the notorious Ring of Fire.

Geophysicist Amy Vaughan told The Associated Press that there may have been some other aftershocks.

They say there are a few reports of light shaking but no damage or tsunami is expected.

"Almost all the world's most explosive and risky volcanoes are located here, along with the some of the longest and most deadly natural disaster faults".

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There are now no immediate reports of casualties or damage following the quakes and no tsunami warning has been issued.

Seismologist Johanna Wagstaffe said three back-to-back earthquakes highlight the "complicated" tectonic environment off British Columbia. About 90 percent of the world's earthquakes are registered in the region.

The strongest one was a 3.8 magnitude quake which hit 157 miles (253 km) off Kodiak.

Two strong earthquakes - the first measuring 6.6 magnitude, the second 6.8 - struck in quick succession off Canada's west coast late Sunday, the US Geological Survey said.

If a tsunami had been generated, the public would have been notified immediately.

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