Volcanism is culprit behind sudden appearance of island off Pakistan’s coast

The Extinction Protocol

September 25, 2013PAKISTANMud houses in the mountains crumbled as a 7.7-magnitude earthquake shook western Pakistan early on Tuesday. Meanwhile, on the coast, residents of Gwadar saw a solitary island rise from the sea. Older residents of the coastal town said the land emergence was déjà vu — an earthquake in 1968 produced an island that stayed for one year and then vanished, Ali Mohammad, 60, and Azeem Baloch, 57, told NBC News. Seismologists suspect the island is a temporary formation resulting from a “mud volcano,” a jet of mud, sand and water that gushed to the surface as the temblor churned and pressurized that slurry under the ocean floor. “Sandy layers underground are shaken, and sand grains jiggle and become more compact,” John Armbruster, a seismologist at the Lamont Doherty Earth Observatory at Columbia University told NBC News. The shifting sand layers are compacted and…

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