<Ul> <Li> Camalig </Li> <Li> Daraga </Li> <Li> Guinobatan </Li> <Li> Legazpi </Li> <Li> Ligao </Li> <Li> Malilipot </Li> <Li> Santo Domingo </Li> <Li> Tabaco </Li> </Ul> <Tr> <Th_colspan="2"> Geology </Th> </Tr> <Tr> <Th> Age of rock </Th> <Td> more than 20 million years old </Td> </Tr> <Tr> <Th> Mountain type </Th> <Td> Stratovolcano </Td> </Tr>

When was the last time mt. mayon erupted