... and medical supplies. The amount of destruction (47) ... by an earthquake depends on where it happens, what time it happens, and how strong it is. It also depends on types of buildings, soil ... and medical supplies. The amount of destruction (47) ... by an earthquake depends on where it happens, what time it happens, and how strong it is. It also depends on types of buildings, soil ... and medical supplies. The amount of destruction (47) ... by an earthquake depends on where it happens, what time it happens, and how strong it is. It also depends on types of buildings, soil...