Tuesday, February 19, 2013

Volcanism in the islands



The exact Geographical coordinates of Fiji Island are 18 00 S, 176 00 E.  and the exact total land area is 18,270sq. km. Fiji is located on the Fiji plate on the plate boundary of Australian as well as the pacific plate. Across the Pacific Ocean, the pacific plate subduct under most plates such as South America, North America, Asia, and now it subducts right under the Australian Plate. As the Pacific Plate subducts under the Australian Plate the layer of the earth get crushed down while magma rises up through the mantle and crush which forms underwater seamounts as well as making the volcanoes bigger over time. So with out the subduction of the Pacific plate under the Australian plate there wouldn’t be no Fiji, no diving and no beautiful coral reefs.




Koro is one of Fiji’s very well known volcanos that is a basaltic cinder cones which runs North and South of the island. Koro is a chain of basaltic cinder cones that haven’t been erupted since 10,000 years ago. The population by Koro is estimated at 5000 people with as few as 14 villages. Other than just Koro there are many other popular volcanos in the Fiji islands worth studying and taking a closer look at such as the Taveuni which a shield volcano and also the Nabukelevu which is known as the lava domes.

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