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When Humans Nearly Vanished: The Catastrophic Explosion of the Tolba Volcano by

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Item specifics

Condition
Brand New: A new, unread, unused book in perfect condition with no missing or damaged pages. See all condition definitionsopens in a new window or tab
ISBN-13
9781588346353
Type
NA
Publication Name
NA
UPC
Does not apply
Publication Year
2018
Format
Hardcover
Language
English
Book Title
When Humans Nearly Vanished: the Catastrophic Explosion of the Tolba Volcano
Item Height
229mm
Author
Donald R. Prothero
Publisher
Smithsonian Books
Topic
Natural History
Item Width
152mm
Item Weight
1g
Number of Pages
208 Pages

About this product

Product Information

The fascinating true story of the explosion of the Mount Toba supervolcano--the Earth's largest eruption in the past 28 million years--and its lasting impact on Earth and human evolution Some 73,000 years ago, the huge dome of Mount Toba, in today's Sumatra, Indonesia, began to rumble. A deep vibration shook the entire island. Jets of steam and ash emanated from the summit, followed by an explosion louder than any sound heard by Homo sapiens since our species evolved on Earth. The eruption of the Toba supervolcano released the energy of a million tons of explosives; seven hundred cubic miles of magma spewed outward in an explosion forty times larger than the largest hydrogen bomb and more than a thousand times as powerful as the Krakatau eruption in 1883. So much ash and debris was injected into the stratosphere that it partially blocked the sun's radiation and caused global temperatures to drop by five to nine degrees. It took a full decade for Earth to recover to its pre-eruption temperatures. When Humans Nearly Vanished presents the controversial argument that the Toba catastrophe nearly wiped out the human race, leaving only about a thousand to ten thousand breeding pairs of humans worldwide. Human genes today show evidence of a genetic bottleneck, an effect seen when a population of organisms becomes so small that their genetic diversity is greatly reduced. This group of survivors could be the ancestors of all humans alive today. Donald R. Prothero explores the geological and biological evidence supporting the Toba bottleneck theory; reveals how the explosion itself was discovered; and offers insight into how the world changed afterward and what might happen if such an eruption occurred today. Prothero's riveting account of this calamitous supervolcanic explosion is not to be missed.

Product Identifiers

Publisher
Smithsonian Books
ISBN-13
9781588346353
eBay Product ID (ePID)
2317389113

Product Key Features

Book Title
When Humans Nearly Vanished: the Catastrophic Explosion of the Tolba Volcano
Author
Donald R. Prothero
Format
Hardcover
Language
English
Topic
Natural History
Publication Year
2018
Number of Pages
208 Pages

Dimensions

Item Height
229mm
Item Width
152mm
Item Weight
1g

Additional Product Features

Title_Author
Donald R. Prothero
Country/Region of Manufacture
United States

Item description from the seller

Business seller information

Value Added Tax Number:
  • AU 82107909133
  • GB 293967539
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