Scientist explains 'trampoline effect' in Chch quake
Scientists studying last month's earthquake in Christchurch say the shaking was exacerbated by a slapdown or trampoline effect that made the land under the city bounce up and down.
Scientists studying last month's earthquake in Christchurch say the shaking was exacerbated by a slapdown or trampoline effect that made the land under the city bounce up and down.