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Coral Exposed as Solomon Island Lifted Three Meters by Earthquake; 'Water Go Back and Not Come Back Again'

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RANONGGA, Solomon Islands -- The force of this week's Solomons earthquake has lifted an island in the South Pacific archipelago and pushed out its shoreline by tens of metres, exposing surrounding reefs.

The remote island of Ranongga in the western Solomon Islands used to have submerged coral reefs that attracted scuba divers from around the world.

But since Monday's massive earthquake in the Solomon Islands, the reefs are now exposed above the water and are dying, an AFP reporter and photographer have seen.

The AFP team, which travelled to Ranongga on a chartered outboard after the quake, saw exposed reefs bleaching in the sun, and covered with dead fish, eels, clams and other marine life.

The 8.0-magnitude quake, caused by a shift in the Earth's tectonic plates, triggered a tsunami that killed at least 34 people in the remote western Solomons and left 5,500 homeless.

Aid agencies have yet to reach Ranongga, but the AFP team saw the devastation that has permanently altered the geography of the island, 32-kilometres long and 8-kilometres wide.

Although Ranongga escaped the fury of the tsunami, the seismic upheaval from the quake pushed out the shoreline by up to 70 metres, local resident Hendrik Kegala also said.

"Plenty big noise," he told AFP in the local pidgin dialect.

"Water go back and not come back again," he added, saying the whooshing sound of the receding water and the shaking from the quake occurred simultaneously.

The loss of the reefs was a huge blow for the fishing communities that are dotted along Ranongga's coast, said Jackie Thomas, acting manager for Worldwide Fund for Nature (WWF) in the Solomons.

"The fish from the reefs are the major source of protein for the villagers," she told AFP from the provincial capital Gizo.

"They use shells for tools and rely on the sea for many of their basic needs.

"It just shows the incredible force of the earthquake, to move a whole island."

She said the reefs around Ranongga were a protected marine environment and locals had worked hard with WWF in recent years to ensure that they were managed sustainably.

"Now it's another marine environment that has been destroyed," she said.

"Who knows if the coral reefs will recover and the fish will come back? Villagers will have to travel further to find the same sort of food and nutrition they've relied on -- the whole food chain has been disrupted."

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Reader Comments

2 people have commented so far. cloud add your comment

I recently watched a movie regarding melting ice caps etc. disrupting life, topogrophy, climate, anyway,you get it. This stuff is scary!, and is coming to fruition! I feel for these life loving people, a place where an antidepresent or any mood enhancer was the last thing a man (or woman)would ever need.The closest Ive been to the solomons is out island bahamas and north shore oahu (77).Okay, Ill be standing by,Ric.
   comment# 1   - Rug Rider Surfboards · North Palm Beach Fla USA 33408 · Apr 12, 2007 @ 5:51pm

Keith A. W. Crook1, 3 and Brian Taylor2 (1) Department of Geology, Australian National University, 0200 Canberra, ACT, Australia (2) Department of Geology and Geophysics, SOEST, University of Hawaii, 2525 Correa Rd., 96822 Honolulu, HI, Hawaii (3) Present address: Hawaii Undersea Research Laboratory, SOEST, University of Hawaii, 1000 Pope Rd MSB 303-B, 96822 Honolulu, HI, Hawaii Received: 15 January 1992 Revised: 6 January 1993 Abstract The Woodlark triple junction region, a topographically and structurally complex triangular area of Quaternary age, lies east of Simbo Ridge and southwest of the New Georgia island group, Solomon Islands, at the junction of the Pacific, Australian and Solomon Sea plates. SeaMARC II side-scan imagery and bathymetry in conjunction with seismic reflection profiles, 3.5 kHz records, and petrologic, magnetic and gravity data show that the active Woodlark spreading centre does not extend into this region. South of the triple junction region, the Woodlark spreading centre reoriented at about 2 Ma into a series of short ESE-trending segments. These segments continued to spread until about 0.5 Ma, when the lithosphere on their northern sides was transferred from the Solomon Sea plate to the Australian plate. Simultaneously the Simbo transform propagated northwards along the western side of the transferred lithosphere, forming a trench-trench-transform triple junction located NNW of Simbo island.
   comment# 2   - doc303 · NYS USA · Apr 16, 2007 @ 5:40am
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