Third and fourth earthquakes strike offshore from Vancouver Island

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      Update (October 22): Three more earthquakes have since struck, bringing the total to seven quakes. See this article for further details. 

      Two more earthquakes have struck offshore west of Vancouver Island after two large quakes already shook the region.

      A 6.5-magnitude quake hit 275 kilometres (170 miles) west of Tofino and 223 kilometres (139 miles) southwest of Port Hardy at a depth of 10 kilometres (6 miles) at 11:22 p.m. local time on October 21, according to the U.S. Geological Survey.

      After that, a 4.9-magnitude quake followed 269 kilometres (167 miles) west of Tofino and 223 kilometres (139 miles) southwest of Port Hardy at a depth of 18 kilometres (11 miles) at 11:36 p.m.

      These seismic events were preceded by two larger quakes that occurred earlier in the evening.

      As previously reported, the first was a 6.6-magnitude quake that struck 260 kilometres (162 miles) west of Tofino and 218 kilometres (135 miles) southwest of Port Hardy at a depth of 11 kilometres (7 miles) at 10:39 p.m. on October 21. Earthquakes Canada measured it as a 6.5-magnitude quake.

      According to Earthquakes Canada, the epicentre was located 471 kilometres (293 miles) west of Victoria and 478 kilometres (297 miles) west of Vancouver.

      That was followed by a second 6.8-magnitude quake with an epicentre located 242 kilometres (150 miles) west of Tofino and 197 kilometres (122 miles) southwest of Port Hardy at a depth of 10 kilometres (6 miles) at 11:16 p.m.

      No tsunami is expected and there have not been any reports of damage thus far.

       

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