* Astronomy

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RE: Sumatra-Andaman earthquake

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Reconstructing Mega-Earthquakes

Researchers from the University of Miami Rosenstiel School of Marine and Atmospheric Science and the University of Peradeniya in Sri Lanka collected and analyzed 22 sediment cores from Karagan Lagoon, Hambantota in southeastern Sri Lanka, to expand the historical record of giant earthquakes along the Sumatra-Andaman subduction zone, where the Indo-Australian plate and Eurasian plate meet. Using sand deposited in the lagoon during the 2004 Indian Ocean tsunami and seven older paleo-tsunami deposits as proxies for large earthquakes in the region, the scientists reconstructed the timeline for mega-earthquakes along the Indian Ocean's plate boundary from Myanmar to Indonesia, assuming that the tsunamis were all generated by large earthquakes.
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Asian Tsunami December 26th 2004

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2004 Indian Ocean earthquake

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RE: Sumatra-Andaman earthquake

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The earthquake which rocked Padang, western Sumatra in September last year killing more than 1000 people was not the great earthquake which earth scientists are waiting for. In fact, it may have made the next massive earthquake more likely, according to Ulster expert Professor John McCloskey.
That is the key conclusion of a paper published today in the journal Nature Geoscience, the authoritative earth sciences research journal and website.
Following its publication, Professor John McCloskey of the University of Ulster, who is the lead author of the study and an internationally respected authority on Sumatran earthquakes, has issued the following appeal to the international community.
He calls on governments and non-governmental organisations to take preparatory urgent action that will save lives in the next earthquake disaster rather than waiting until after it strikes.
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Tsunami fifth anniversary marked

Countries across the Indian Ocean are marking the fifth anniversary of the catastrophic tsunami that killed almost 250,000 people.
In Indonesia's Aceh province, where 170,000 died, thousands held prayers in public mosques and private homes.
On Thai beaches, Buddhist monks chanted prayers as mourners held pictures of loved ones lost five years ago.
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Thais Continue to Search for 2004 Tsunami Victims

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Tsunami fourth anniversary

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Ancient corals reveal cycles of seismic activity.
Another huge earthquake may hit the Sumatra region within the next few decades, geologists have warned. An analysis of fossilized coral beds in the region has revealed that the magnitude 8.4 and 7.9 quakes that hit the island in September 2007 could be harbingers of further, and potentially more destructive, ruptures.

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