As the Earth Hurls (3 part post on Volcanoes)

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    Courtesy of Bill and Janet Liebsch of Arizona Preppers Network

    As the Earth Hurls (part 1 of 3 – Iceland)

    Iceland’s Eyjafjallajökull (also known as Eyjafjöll) eruption has been causing headaches for many in Europe and around the world due to flight cancellations, ashfall and gases.

    Incredible photo by Dr. Marco Fulle

    Some of the comments on recent articles have been amusing like “climate change is causing the eruptions” (implying it’s man’s fault) or “how could something like this happen in Iceland”. People … stop, take a deep breath, look at history, and remember we live on a violent planet.

    For example, did you know Iceland – which has 30 volcanic systems and more than 600 hot springs – straddles tectonic plates on the mid-Atlantic ridge, making it one of the most geologically active places on the planet?!

    The last time Eyjafjoll erupted [in 1823] it spewed for 14 months straight. And history shows the eruptions may trigger its far more powerful neighbor Katla. According to the CS Monitor, the last major eruption of Katla – a volcano that averages 2 eruptions a century – was in 1918 which is why scientists are watching this very closely. And Katla is just one of the “Angry Sisters” … its even-more active twin is Heckla. Heckla, known in early times as the Mountain of Hell, has erupted 14 times between 1104 and 1970.

    According to the BBC, one of the most influential volcanic eruptions in Iceland was the 1783-1784 event at Laki (a fissure with 130 craters) where an estimated 120 million tons of sulfur dioxide were emitted, approximately equivalent to 3 times the total annual European industrial output in 2006.

    And the above statistics are just from 1 tiny island. Now, how many active volcanoes are there in the world? According to the Smithsonian Institute’s Global Volcanism Program, the answer to this question depends upon use of the word “active” …

    – At least 20 volcanoes will probably be erupting as you read these words (Italy’s Stromboli, for example, has been erupting for more than a thousand years);

    – roughly 60 erupted each year through the 1990s;

    – about 450 historically active volcanoes are in the Ring of Fire around the Pacific Ocean;

    – about 1300 (and perhaps more than 1500) have erupted in the Holocene (past 10,000 years);

    – and (our favorite statistic) … some estimates of young seafloor volcanoes exceed one million.

    And remember, all active volcanoes spew and seep sulfur dioxide, carbon dioxide and other nasty stuff … and there are hydrothermal vents (and black smokers) deep underwater around Antarctica and all across the ocean floors. So… instead of blaming mankind for global warming or climate change, just realize Mother Nature belching and releasing gas impacts our planet immensely.

    Stay current on Iceland’s Eyjafjallajökull at Institute of Earth Science Nordic
    Volcanological Center” onclick=”;return false;

    Check back tomorrow for Part 2 of 3 on Supervolcanoes.

    Originally posted on the American Preppers Network Blog:” onclick=”;return false;


    As the Earth Hurls (part 2 of 3 – Supervolcanoes)

    Courtesy of Bill and Janet Liebsch of Arizona Preppers Network

    Although there are only a handful of supervolcanoes, every 100,000 years or so their catastrophic eruptions typically cover huge areas with lava and ash and can potentially cause a mini ice age or threaten extinction. For example, it’s possible the Toba caldera on Sumatra, Indonesia caused enough climate change to almost wipe out humanity 74,000 years ago. And the Siberian Traps are thought to have wiped out 90% of species over 250 million years ago.

    Please understand the reason we are covering this topic is not to intimidate or fear monger, but rather to educate people about the existence of these since they play a role in our planet’s history.

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    As the Earth Hurls (part 3 of 3 – Safety tips)

    Courtesy of Bill and Janet Liebsch of Arizona Preppers Network

    Did you know there are 169 active volcanoes in the U.S. … and 54 of them are a very high or high threat to public safety? Let’s discuss what a volcano is and why it can be dangerous to your health and belongings.

    A volcano is a mountain that opens downward to a reservoir of molten rock (like a huge pool of melted rocks) below the earth’s surface. Unlike mountains, which are pushed up from the earth’s crust, volcanoes are formed by their buildup of lava, ash flows, and airborne ash and dust. When pressure from gases and molten rock becomes strong enough to cause an explosion, it erupts and starts to spew gases and rocks through the opening.

    Volcanic eruptions can hurl hot rocks (sometimes called tephra) for at least 20 miles (32 km) and cause sideways blasts, lava flows, hot ash flows, avalanches, landslides and mudflows (also called lahars). They can also cause earthquakes, thunderstorms, flash floods, wildfires, and tsunamis. Sometimes volcanic eruptions can drive people from their homes forever.

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