Seism - Definition
seism
n 1: shaking and vibration at the surface of the earth resulting
from underground movement along a fault plane of from
volcanic activity [syn: earthquake, quake, temblor,
seism]
n 1: shaking and vibration at the surface of the earth resulting
from underground movement along a fault plane of from
volcanic activity [syn: earthquake, quake, temblor,
seism]