Toba in Sumatra experienced the massive volcano of VEI 8.0 – super volcano 74,000 years back. The deep Java trench marks the line where the Indo-Astralian plate subducts, i.e. slips under, the section of the Eurasian plate on which Indonesia sits. While sinking, the Indo-Australian plate heats up and its water content turns to superheated steam under enormous pressure. Prodigious energies are generated and the volcanoes on the fault line release a part of these energies. The speed of that push is 70 mm (2.75 in.) per year, adding up to more than 5 km (3.1 miles) in the 73,000 years since the last major Toba eruption.
According to computer models, somewhere near Toba, along the fault line there may be another super volcano getting ready for eruption. 3.1 mile sinking of Indo-Australian plate under the Euresian Plate in the last 74,000 years has created enough magma for a super volcano.
The recent series of volcanoes in that area have increased the level of alarm. Some of the quakes mistaken as aftershocks were harmonic tremors signifying lava movements. If Toba or along Toba the volcanic eruption take place, it can bring the human civilization to its knees. This has the potential 3000 cubic Kilometer of eruption. That can be so devastating that earth may experience a drop in temperature of 30degrees Fahrenheit for many years. It can actually larger than the one Toba experienced 74,000 years back.
Simultaneous Terrestrial and Solar polar reversal in 2012 accompanied by recent tectonic movement as well as harmonic tremor in the area shows high probability of a mega volcano in 2012 in that area.
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