Originally Posted by Monseratto Taal lake is a caldera or collapsed magma chamber... Crater is the vent. Sent from my Mi 9T Pro using Tapatalk OB says that whole taal lake is the vent so the volcano is under the island of luzon pag sumabog yan putol-putol na ang cavite batangas laguna baka laguna de bay will be connected to taal lake which will drain into the sea