Example image of eyePlorer eyePlorer map for 'Cascadia subduction zone': California Cascadia Convergent boundary Plate tectonics Subduction Vancouver Island Portland, Oregon Seattle Vancouver Victoria, British Columbia Explorer Plate Gorda Plate Juan de Fuca Plate North American Plate Oceanic crust Pacific Ocean Year Earthquake Triple junction Explorer Ridge Queen Charlotte Fault Queen Charlotte Islands Cape Mendocino Mendocino Fracture Zone Mendocino Triple Junction San Andreas Fault Megathrust earthquake Aseismic creep Global Positioning System 1700 Cascadia earthquake Geology Tsunami Pacific Northwest 1906 San Francisco earthquake Civil Air Patrol Community Emergency Response Team Emergency management Urban search and rescue Geology of the Pacific Northwest List of Cascade volcanoes 1700 in Canada Queen Charlotte Triple Junction 1700 in science Alert Bay Volcanic Belt Mount Noel Round Mountain (volcano) 1700 Cascade Volcanoes Lemah Mountain Franklin Glacier Volcano