Three more earthquakes follow four offshore quakes west of Vancouver Island

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      Seismic activity that began yesterday is continuing off Vancouver Island today. After four quakes struck offshore from the west coast of Vancouver Island on October 21, three more tremblors have followed.

      At the beginning of the series, an initial 6.6-magnitude earthquake that hit at 10:30 p.m. on October 21 was followed by three quakes that measured 6.8-, 6.5-, and 4.9-magnitude.

      Early this morning, a fifth quake measuring 4.3-magnitude occurred at 12:13 a.m. on October 22. The epicentre was located 216 kilometres (134 miles) west of Tofino and 202 kilometres (126 miles) southwest of Port Hardy at a depth of 10 kilometres (6 miles).

      A sixth tremor, measuring 4.4-magnitude occurred at 1:43 a.m. on October 22, with an epicentres 257 kilometres (158 miles) west of Tofino and 215 kilometres (134 miles) southwest of Port Hardy at a depth of 10 kilometres (6 miles).

      A seventh 5.2-magnitude quake took place at 9:27 a.m. today (October 22) 226 kilometres (140 miles) west of Tofino and 213 kilometres (132 miles) southwest of Port Hardy at a depth of 7 kilometres (4 miles).

      A 5.2-magnitude quake struck offshore west of Vancouver Island at 9:27 a.m. on October 22.
      U.S. Geological Survey

      Meanwhile south of the border, a small tremor occurred east of Seattle.

      A 2.7-magnitude quake occurred at 1:04 a.m. today (October 22) 106 kilometres (66 miles) northwest of Olympia, Washington, at a depth of 2 kilometres (1 mile).

      U.S. Geological Survey

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