Lake Toba Volcano Activity

Located on the island of sumatra in indonesia lake toba is a beautiful caldera lake measuring 100 km by 30 km.

Lake toba volcano activity. All reviews local guide hot springs easy hike tour guide sunrise hike lake toba starting point early in the morning great hike active volcano an amazing experience steam vents contact details worth the climb walk up great sunrise ricky ricardo memorable trip hiking trip base camp. In the center of lake toba is an island called samosir island. Recent advances in dating methods suggest a more accurate identification of 74 000 years ago as the date. The 35 x 100 km toba caldera the earth s largest quaternary caldera was formed during four major pleistocene ignimbrite producing eruptions beginning at 1 2 million years ago.

Recent volcanic activity because lake toba lies in an earthquake prone zone some smaller eruptions have occurred more recently. Lake toba lake toba is one of the world s biggest supervolcanoes and is located in sumatra indonesia. It had an estimated volcanic explosivity index of 8 described as mega colossal making it possibly the largest volcanic eruption within the last two million years. A model has shown how a large magma reservoir is growing.

A massive eruption at lake toba supervolcano will occur again but it is unlikely to happen for thousands of years scientists have said. The toba eruption the toba event occurred at what is now lake toba about 67 500 to 75 500 years ago. It is the largest known explosive eruption on earth in the last 25 million years. Its odd elongate shape is a result of the interactions between the magma chamber and the shearing forces of the sumatran fault along the west that has stretched it out.

It last erupted 74 000 years ago saw 2 800 cubic km of material ejected into the atmosphere. The toba eruption was the latest of a series of at least three caldera forming eruptions which have occurred at the volcano with earlier calderas having formed around 700 000 and 840 000 years ago. The lake toba super volcano eruption the toba eruption the toba event occurred at what is now lake toba about 71 500 4000 years ago. Lake toba is the site of a supervolcanic eruption estimated at vei 8 that occurred 69 000 to 77 000 years ago representing a climate changing event.