The Apolaki Caldera, located beneath the Philippine Sea, is believed to be the largest known volcanic caldera on Earth — spanning roughly 150 kilometers in diameter. It lies on the Benham Rise (Philippine Rise), an underwater plateau east of Luzon. This enormous structure is part of the Pacific Ring of Fire, a 40,000-kilometer horseshoe-shaped zone that encircles the Pacific Ocean and hosts 75% of the world’s active volcanoes and 90% of its earthquakes. The Apolaki Caldera’s location connects th

Opinions on Us on Instagram: "If the worst fears of Napolitanos were to come true, the area surrounding Naples might look something like this. Campi Flegrei is a large, active volcanic caldera. Unlike a typical mountain volcano like the nearby Mount Vesuvius, it is a vast, sunken volcanic field with a diameter of about 13 kilometers, much of which lies beneath the city of Naples and the Gulf of Pozzuoli. With their close proximity to the 908,082 inhabitants of Naples, these volcanoes regarded as