Question

a casualty is the damage destruction or loss of property resulting from an event that is

Answer 1

A casualty is the damage destruction or loss of property resulting from an event that is sudden, unexpected, or unusual such as flood, hurricane, tornado, fire, earthquake, or volcanic eruption. A casualty doesn't include normal wear or tear or progressive deterioration.
                  The event must be identifiable, unexpected, and unusual. Events that meet these criteria include:

1)Car accidents
2)Disaster -related demolition
3)Earthquakes
4)Fires
5)Floods
6)Hurricanes
7)Shipwrecks
8)Storms
9)Terrorist attacks
10)Tornadoes
11)Vandalism
12) Volcanic eruptions