A volcano within a volcano: The Taal Volcano complex is a massive caldera filled with Taal Lake. On the lake is Volcano Island, which has its own crater lake, Crater Lake, which contains Vulcan Point. Caldera formation: The large caldera was formed by prehistoric eruptions between 140,000 and 5,380 years ago. Location: The volcano is situated about 50 kilometers (31 miles) south of Manila in the province of Batangas. Active status: Taal is the second most active volcano in the Philippines, with

Volcanic Island Arc | Definition, Formation & Examples