While debated in the scientific community, it's possible that Toba quickened the approach of the Earth's last ice age. Today, ...

2. What caldera nearly wiped out the human race? Lake Toba in Sumatra, Indonesia is believed to be the largest resurgent caldera on earth. The caldera measures 100km long by 30km wide. This ...

This natural body of water — the largest volcanic lake anywhere — fills the caldera of the Toba supervolcano, which erupted some 69,000 to 77,000 years ago. Some of the best attractions in the ...