Since that time, debris-avalanche deposits of varying sizes have been noted at most Cascade volcanoes and at volcanoes throughout the world.
(debris-avalanche deposits of varying sizes; have been noted; L:at most Cascade volcanoes and at volcanoes throughout the world; T:Since that time)
debris-avalanche deposits of varying sizes
have been noted
L:at most Cascade volcanoes and at volcanoes throughout the world T:Since that time