VOLUNTEER BUTTON
It detect the color of the area. If the color of area is between 1 - 3 it is there are no chances or few chances of coming a natural calamity. If the color of area is between 4 - 7 so the there are chances to coming a natural calamity. If the color of area is 8 or 9 there high chances to coming a natural calamity. And all this will display in the Realtime map. One volunteer button to inform to nearby Authorities or nearby Hospital (If area area colour reaches 6 or above , the system will automatically send an emergency alert )