The Incredible Lake Toba and Samosir Island

Between 69,000 and 77,000 years ago, one of the most spectacular geological events in earth’s history occurred on the island of Sumatra: the mega eruption of Mount Toba Supervolcano. The eruption was the latest in a series of at least three caldera-forming eruptions that occurred at the volcano, with earlier calderas having formed around 700,000 and 840,000 years ago. The last eruption was estimated to have Volcanic Explosivity Index (VEI) of 8, – described as mega-colossal- and is still believed to be the largest explosive eruption anywhere on earth in the past 25 million years. To give an idea of its magnitude, consider that although the eruption took place in Indonesia, it deposited ash layers of approximately 15-cm (5.9-inch) thick over the entire South Asia.

Samosir Island, at the center of the Lake, offers more mystifying wonders. Mountains steeped in cool mist, clear waterfalls to swim under and locals taking their water buffalo out in the fields, are just to name a few. Here, one can also discover the legendary hospitality of the Batak people. Wherever you go, it won’t take you long to make a new friend.

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