IN A NUTSHELL 🌋 The Aso Caldera, located in Kyushu, Japan, is a massive supervolcano with a history of explosive eruptions. 📏 Spanning 15 miles, it features a unique geological landscape, defined by a ridge reaching up to 4,000 feet. 🔥 The caldera contains 17 active volcanoes, with Nakadake being the most active and closely … Continue reading “This Supervolcano Could End Japan As We Know It”: Scientists Monitor 17 Active Volcanoes Inside Massive 15-Mile Crater