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Haiti quake was caused by previously unknown fault

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posted on Aug, 12 2010 @ 10:15 AM
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This year's devastating earthquake in Haiti was caused by a previously unknown fault, according to scientists.

This discovery, the researchers say, could be the first sign of a larger system of seismic faults in the area.

The Enriquillo fault, which runs through Port au Prince, was originally blamed. But new evidence has shown that it was not linked to the event.

Eric Calais from Purdue University in Indiana, presented the findings at an scientific meeting in Brazil.

At the American Geophysical Union's Meeting of the Americas in Foz do Iguacu, he explained that the earthquake was more complicated than previously thought.

He said that the first "give-away" was the fact that there was no surface break along the known Enriquillo fault. This led to a search for other faults or fractures in the Earth's crust, which may have slipped and caused the event.


Please visit the link provided for the complete story.
Source: www.bbc.co.uk...

This seems like pretty significant news. If this fault line was unknown, then how many others are also "unknown", in places we think that we are safe?

Anyway, this is pretty interesting and I would hope that it could further our knowledge about the theory of plate tectonics.

--airspoon




posted on Oct, 26 2010 @ 04:18 PM
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reply to post by airspoon
 


Here's another article on the same thing: www.sciencedaily.com...

I think this may be the most worrisome bit

The fault system is more complex than we originally thought, and we don't yet know how the January earthquake impacted the other faults. Preliminary measurements indicate that the Enriquillo fault did not release any accumulated seismic energy and, therefore, remains a significant threat for Haiti, and Port-au-Prince in particular...


It would be pretty horrible for another large quake to hit when they're already reeling over there, hopefully that doesn't happen.



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