Three earthquakes strike offshore west of Vancouver Island

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      A series of earthquakes have once again struck in a seismically active area west of Vancouver Island.

      The first quake hit at 8:20 a.m. on December 9. The epicentre was located at a depth of 10 kilometres (6 miles) and was 216 kilometres (134 miles) west of Tofino and 418 kilometres (260 miles) west of Vancouver.

      Both Earthquakes Canada and the U.S. Geological Survey measured it as a 5.4-magnitude quake.

      It was followed by a quake at 9:48 a.m. that Earthquakes Canada identified as an aftershock.

      Similar to the previous quake, the epicentre for this tremblor was located at a depth of 10 kilometres (6 miles) and 212 kilometres (132 miles) west of Tofino and 414 kilometres (257 miles) west of Vancouver.

      Both Earthquakes Canada and the U.S. Geological Survey measured it as a 4.8-magnitude quake.

      A third seismic event occurred at 10:14 a.m. The U.S. Geological Survey reported it as a 4.2-magnitude quake and listed the epicentre as being located at a depth of 10 kilometres (6 miles) and 174 kilometres (108 miles) west of Tofino.

      There weren't any reports of damage and a tsunami was not expected from any of the quakes.

      Prior to this series, a 4.5-magnitude quake hit west of the northern end of Vancouver Island on November 30.

      A series of seven quakes occurred in October in the region. 

      In northeastern B.C., a 4.5-magnitude quake struck between Fort St. John and the Alberta border on November 29, followed by a 4.0-magnitude aftershock.

      Then on November 30, Anchorage, Alaska, was rocked by a 7.0-magnitude earthquake that resulted in damage to infrastructure and buildings. Hundreds of minor aftershocks have continued to occur in the area. 

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