<Ul> <Li> Fault movement </Li> <Li> Volcanism </Li> </Ul> <Tr> <Th> Characteristics </Th> </Tr> <Tr> <Td> <Ul> <Li> <Ul> <Li> Epicenter </Li> <Li> Hypocenter </Li> </Ul> </Li> <Li> <Ul> <Li> Shadow zone </Li> <Li> Seismic waves </Li> </Ul> </Li> <Li> <Ul> <Li> P - wave </Li> <Li> S - wave </Li> </Ul> </Li> </Ul> </Td> </Tr> <Ul> <Li> <Ul> <Li> Epicenter </Li> <Li> Hypocenter </Li> </Ul> </Li> <Li> <Ul> <Li> Shadow zone </Li> <Li> Seismic waves </Li> </Ul> </Li> <Li> <Ul> <Li> P - wave </Li> <Li> S - wave </Li> </Ul> </Li> </Ul>

Seismic waves that propagate through earth are known as