Eruptions of basaltic to rhyolitic volcanoes and hypabyssal rocks of the Alert Bay Volcanic Belt are probably linked with the subducted margin flanked by the Explorer and Juan de Fuca plates at the Cascadia subduction zone.
Outbursts of basaltic to rhyolitic volcanoes and hypabyssal rocks of the Alert Bay Volcanic Belt are probably connected to the subducted margin bordered by the Explorer and Juan de Fuca plates at the Cascadia subduction zone.