Mount Etna eruptions becoming more violent, and scientists are baffled as to why

May 26, 2013 ITALYMount Etna is spitting lava more violently than it has in years, and scientists are baffled as to why. Despite being the world’s most-studied volcano, the Sicilian mountain is also its most unpredictable. The volcano is raging. Fountains of lava, some taller than the Eiffel Tower, shoot from its mouth every few weeks, flowing in red-hot streams into the surrounding valleys. There have been 13 eruptions since the beginning of February. Mount Etna, 3,329 meters (10,922 feet) high, towers majestically above the Sicilian city of Catania. In June, the United Nations Educational, Scientific and Cultural Organization (UNESCO) will decide whether to list it as a World Heritage Site. Etna is considered the most heavily studied volcano in the world, and it is thoroughly wired with sensors. In addition to lava, Etna spits out vast amounts of data — several gigabytes a day, coming from magnetic field sensors, GPS altimeters and seismic sensors. Despite this wealth of data, Etna still poses a conundrum to scientists. “The eruptions in recent weeks have been unusually fierce and explosive,” reports German volcanologist Boris Behncke, who monitors the mountain together with a few hundred colleagues at Italy’s National Institute of Geophysics and Volcanology (INGV). “There have been lava fountain events in the past, but rarely in such rapid succession.” Behncke has fallen under Etna’s spell. During the day, he maps the lava flows; at night, he hikes along its slopes. His Twitter hash tag is “@etnaboris.” The volcano is the first thing he sees when he looks out of his bedroom window every morning. “This time, the range of ash fall is much wider than usual,” says Behncke. A layer of black ash covers cars as far as 50 kilometers (31 miles) away. Even in ancient times, people marveled at the forces that were capable of shooting fountains of lava into the sky. In Greek and Roman mythology, the volcano is represented by a limping blacksmith swinging his hammer as sparks fly. Legend has it that the natural philosopher Empedocles jumped into the crater 2,500 years ago. What he found there remained his secret, because he never returned. All that remained of him were his iron shoes, which the mountain later spat out. For many geologists today, Etna is still the most inscrutable volcano in the world. The mountain is located at precisely the spot where the African and European tectonic plates rub against each other like two giant ice floes. At this plate margin, lava with low viscosity flows upward from a depth of 30 kilometers into a reservoir of magma two kilometers beneath the summit. “The stream of magma doesn’t move uniformly, but in spurts, vibrating as if it were in a hydraulic pump,” explains Stuttgart geophysicist Rolf Schick. “This makes Etna so unpredictable.” Schick has been a star among volcanologists since 1972, when he caused a stir with his new discoveries about Etna. Using seismic sensors, he discovered a “pulse rate” of sorts in the stream of magma, which is forced through the vent at a rate of 72 beats per minute — coincidentally, at a rate similar to that of the human heartbeat. –ABC News
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This entry was posted in Civilizations unraveling, Earth Changes, Earth Watch, Earthquake Omens?, Environmental Threat, High-risk potential hazard zone, Magma Plume activity, Potential Earthchange hotspot, Seismic tremors, Signs of Magnetic Field weakening, Tectonic plate movement, Time - Event Acceleration, Volcanic Ash, Volcanic Eruption, Volcanic gas emissions, Volcano Watch. Bookmark the permalink.

12 Responses to Mount Etna eruptions becoming more violent, and scientists are baffled as to why

  1. Jeffrey Hardin says:

    I was there for the 1989 & 1990 eruptions whilst living at Sigonella and Belpasso Catania and what a beautiful but very deadly spectacle…
    It’s quite interesting that they haven’t concluded that this is what makes volcano’s so unpredictable to begin with and is why they are trying to figure them out DUH?

    Like

  2. SoSo says:

    These articles make me smirk and say O Bull@#@#@ !!! Specifically when it is stated “… and scientists are baffled…” Come on, REALLY, science is baffled? Are Scientists a bunch of dummies? Hmmmmmm Just saying….

    Like

  3. Joel carter says:

    What next violent explosive volcanoes will violently erupt?

    Like

  4. Ice says:

    “Using seismic sensors, he discovered a “pulse rate” of sorts in the stream of magma, which is forced through the vent at a rate of 72 beats per minute — coincidentally, at a rate similar to that of the human heartbeat.”

    That’s interesting that it has a similar rate to our own heart.

    Like

  5. Helen Parks says:

    A recent quatrein line in the Hidden Texts of Nostradamus
    ERUPTIVE SERBIAN BASIN ALIVE
    I think this is referring to a supervolcano?

    Like

  6. Irene C says:

    That must be an amazing sight, but I certainly wouldn’t want to be living close by.

    Like

  7. Suzanne says:

    Fools! In June, the United Nations Educational, Scientific and Cultural Organization (UNESCO) will decide whether to list it as a World Heritage Site.? The fools, maybe GOD is telling us he will decide what Mt. Etna does and who it belongs too!

    Like

  8. mark js says:

    That picture is gorgeous. The old with the new.

    Dangerous… probably, but beautiful.

    Like

  9. George says:

    Yes, seismic activity is increasing; just in (27-5-13) this Chilean volcano is now code red and people are being evacuated!

    http://www.bbc.co.uk/news/world-latin-america-22684322

    Like

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