alaska alaska range andes antarctic peninsula argentina baja california peninsula bali bolivia borneo british columbia brooks range california cascade range central america chile colombia costa rica ecuador flores geography graham land guam guatemala honduras indonesia japan kamchatka peninsula luzon melanesia mexico micronesia mindanao mountain range nicaragua north america oregon pacific coast ranges pacific ocean pacific ring of fire panama peru polynesia rocky mountains sierra madre occidental sierra madre oriental south america sulawesi tierra del fuego timor united states vancouver island washington yap yukon