Iceland's Hekla volcano shows signs of activity
(AP) -- Scientists are monitoring unusual underground activity that could signal an eruption at the Hekla volcano in southern Iceland.
(AP) -- Scientists are monitoring unusual underground activity that could signal an eruption at the Hekla volcano in southern Iceland.
Earth Sciences
Jul 6, 2011
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(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart or collide, but ...
Earth Sciences
Dec 3, 2009
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