<Tr> <Td> Japan Trench </Td> <Td> Northeast Japan </Td> </Tr> <Tr> <Td> Kermadec Trench * </Td> <Td> Northeast of New Zealand </Td> </Tr> <Tr> <Td> Kuril--Kamchatka Trench * </Td> <Td> Near Kuril islands </Td> </Tr> <Tr> <Td> Manila Trench </Td> <Td> West of Luzon, Philippines </Td> </Tr>

Describe the process of subduction at a deep ocean trench