The place was previously under the sea (whenever tsunami strikes or big cyclones takes place) as the soil structure was regosols. This is one of the largest beaches in South Asia. The land on the West side has white clay which is used as Namam. It is an indication of the sea advancing inland and wiping out all the mineral contents of the clay particles and leaving only the pure clay in the soil. The name "Vallipuram" testifies to the nature of t
he soil here.