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Posted on Tuesday, August 02 - 2005

Submitted by Artemis: A super volcano is the most destructive natural force on earth. Super volcanoes produce the largest and most voluminous kinds of eruptions ever recorded throughout earth history. Most super volcanoes are what volcanologists call caldera volcanoes. Caldera volcanoes are formed after magma has been erupted and the volcano collapses into the voided chamber.The largest known super volcano is the Siberian Traps in Russia, which had the largest volcanic event in the last 500 million years. The Siberian Traps eruption, which lasted over a million years has been blamed for the Permian-Triassic extinction event. This extinction event occurred 252 million years ago, when 90% ofall marine life and 70% of all other life became extinct.What most do not realize is the number of these sleeping giants that exist.

When someone in the United States hears the word super volcano they think "Yellowstone", but Yellowstone isn't the only monster that exists. Some caldera volcanoes located in North America are Yellowstone (WY), Crater Lake (OR), Long Valley (CA), Sturgeon Lake (Ontario), Valle Grande (NM). Some of the biggest caldera volcanoes from around the world are Krakotoa (Indonesia), Tambora (Indonesia), Toba (Sumatra), Taupo (New Zealand) and the Siberian Traps in Russia. There are over 138 caldera volcanoes in the world, whose crater exceeds 5 miles in diameter, 40 of which are super volcanoes. Evidence shows that when super volcanoes erupt it effects our climate andthe environment for many years after. The Toba eruption 74,000 years ago, and the 3 Yellowstone eruptions 2.1 million, 1.3 million and 640,000 years ago have been blamed for causing earths past ice ages.Here's a good illustration of the eruptive capacity of a super volcano. Mount St. Helens 1980 eruption ejected 1.2 cubic kilometers of material, enough to fill a large sports stadium 1,569 times. The St. Helens eruption is very small compared to historic super eruptions.

user posted image View: Full Article | Source: Cryptic Conspiracies

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Posted on Tuesday, September 08 - 2009

A team of scientists has discovered over 40 unidentified species in a lost world contained inside a kilometre deep crater in Papua New Guinea including what may be the world'slargest known species of rat. "A lost world populated by fanged frogs, grunting fish and tiny bear-like creatures has been discovered in a remote volcanic crater on the Pacific island of Papua New Guinea." View: Full Article | Source: Guardian Unlimited News storysuggestion by: Stance.

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Posted on Thursday, February 09 - 2012

Researchers now believe volcanic eruptions were responsible for a recent 400-year miniature ice age.Roughly between 1400 and 1800, North America and Europe experienced considerably colder winters in what is now known in history as the "Little Ice Age". Until recently this prolonged drop intemperature had been associated with the Maunder Minimum, a period of low solar activity, but now researchers believe that a series of volcanic eruptions filled the atmosphere with enough ash particles to cause the temperatures to drop during this period.

Iím not a big guy. It doesnít take a tremendous shove to send me crashing to the floor. But what does it take to knock the Earthís climate off balance? In the case of the Little Ice Age, a recent 400-year coldsnap, a new study suggests a few well-timed volcanic eruptions might have done the trick.  

View: Full article |  Source: Ars Technica  

Views : 987

Posted on Thursday, September 03 - 2009

A unique form of water collecting is being used in Peru to help solve the lack of water to be found on the hills surrounding the capital, large fog catching nets are set up that are capable of gathering water from the air withoutthe need for rain. "When people from rural Peru move to Lima, the capital, they're looking for a better life.

But things can be tough. It's hard to find a job in the city.The jobs they can getóbus driver, street vendor, construction workeródon't pay well." View: Full Article | Source: National Geographic

Views : 968

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