Answer:
Earthquake
Harfull:it cause destruction or collapse of the building or house.
Before:land and things shaking
during:massive shaking and can kill human
after:it cause several damage and collapes house
Landslide:harmfull:the road may be blocked or part of the mountain may be damaged
before:falling dirt and stone
during:large stone and ground shaking
after.mauntain and houses may be damaged
Explanation:
sorry kung putol inaantok nko