'The modified Mercalli scale ranks these 1-12:  1 - not felt except by few, 12 - total destruction'
Earthquakes
THE EARTH: The modified Mercalli scale ranks these 1-12:  1 - not felt except by few, 12 - total destruction
The modified Mercalli scale ranks these 1-12:  1 - not felt except by few, 12 - total destruction
The modified Mercalli scale ranks these 1-12:  1 - not felt except by few, 12 - total destruction
THE EARTH
Earthquakes
THE EARTH