Youngest Toba eruption

The Toba eruption (sometimes called the Toba supereruption or the Youngest Toba eruption) was a supervolcanic eruption that occurred about 74,000 years ago during the Late Pleistocene[1] at the site of present-day Lake Toba in Sumatra, Indonesia. It was the last in a series of at least four caldera-forming eruptions at this location, with the earlier known caldera having formed around 1.2 million years ago.[2] This last eruption had an estimated VEI of 8, making it the largest-known explosive volcanic eruption in the Quaternary, and one of the largest known explosive eruptions in the Earth's history.

Youngest Toba eruption
Artist's impression of early stages of eruption from about 42 km (26 mi) above northern Sumatra
VolcanoToba Caldera Complex
Datec. 74,000 years BP
LocationSumatra, Indonesia
2°41′04″N 98°52′32″E / 2.6845°N 98.8756°E / 2.6845; 98.8756
VEI8
ImpactCovered the Indian subcontinent in 5 cm (2.0 in) of ash,[3] volcanic winter may have caused a severe human population bottleneck
Deaths(Potentially) almost all of humanity, leaving around 3,000–10,000 humans left on the planet
Lake Toba is the resulting crater lake
  1. ^ "Surprisingly, Humanity Survived the Super-volcano 74,000 Years Ago". Haaretz.
  2. ^ Stratigraphy of the Toba Tuffs and the evolution of the Toba Caldera Complex, Sumatra, Indonesia
  3. ^ Petraglia, Michael D.; Ditchfield, Peter; Jones, Sacha; Korisettar, Ravi; Pal, J.N. (2012). "The Toba volcanic super-eruption, environmental change, and hominin occupation history in India over the last 140,000 years". Quaternary International. 258: 119–134. doi:10.1016/j.quaint.2011.07.042. ISSN 1040-6182.

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