Earthquake

Natural Disasters: Hurricanes, Earthquakes, Tsunamis / Epidemic / Humanitarian Issues relating to environmental disasters

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Postby Eco Man on Wed May 16, 2007 2:30 pm

forficula wrote:this is a link to research concerning Asia and will give a clue as to why there is so much geological activity in the region.

http://www.news.cornell.edu/stories/May ... et.aj.html


Interesting that.
Look Ma, they move ...
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Postby Danial on Thu May 17, 2007 9:36 am

Thailand had an earthquake yesterday, 6.1 on the richter where you got buildings in around Laos swaying. No reported cases of casualty though.
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Postby Adriana on Thu May 17, 2007 10:40 am

Danial wrote:Thailand had an earthquake yesterday, 6.1 on the richter where you got buildings in around Laos swaying. No reported cases of casualty though.


One of these days, there'll be a major disaster in and around South East Asia. The ripples are already apparent.
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Postby forficula on Wed May 23, 2007 3:44 am

Heres part of the reason
The movement of a low-viscosity crustal layer in response to topographic loading provides a potential mechanism for (1) eastward flow of the Asian lower crust causing the peripheral growth of the Tibetan Plateau and (2) southward flow of the Indian middle crust to be extruded along the Himalayan topographic front. Thermomechanical models for channel flow link such extrusion to focused orographic precipitation at the surface. Isotopic constraints on the timing of fault movement, anatexis and thermobarometric evolution of the exhumed garnet- to sillimanite-grade metasedimentary rocks support mid-crustal channel flow during the Early to Mid-Miocene. Exhumed metamorphic assemblages suggest that the dominant mechanism of the viscosity reduction that is a requirement for channel flow was melt weakening along the upper surface, defined by the South Tibetan Detachment System, and strain softening along the base, bounded by the Main Central Thrust. Neotectonic extrusion, bounded by brittle Quaternary faults south of the Main Central Thrust, is positively correlated with the spatial distribution of precipitation across a north-south transect, suggesting climate-tectonic linkage over a million-year time scale. A proposed orogen-wide eastward increase in extrusion rate over 20 Ma reflects current precipitation patterns but climate-tectonic linkage over this time scale remains equivocal.
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Postby Danial on Fri May 25, 2007 11:11 am

Strong Quake Hits Indonesia, Tsunami Warning Issued

JAKARTA - An earthquake measuring 6.5 jolted central Indonesia's Nusa Tenggara island chain on Thursday, prompting a tsunami warning, the meteorological agency said.
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Postby forficula on Mon Jun 25, 2007 12:45 am

http://hvo.wr.usgs.gov/

KILAUEA is playing up big time as are many of the volcanoes along that side of the Pacific Ocean.In the last week or so we have seen eruptions in from Siberia ,down through Japan and into the Indonesia and the South Sea Islands.I just wonder if this volcanic activity is a forewarning of some big earthquake action.
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Postby Danial on Mon Jun 25, 2007 2:47 pm

forficula wrote:http://hvo.wr.usgs.gov/

KILAUEA is playing up big time as are many of the volcanoes along that side of the Pacific Ocean.In the last week or so we have seen eruptions in from Siberia ,down through Japan and into the Indonesia and the South Sea Islands.I just wonder if this volcanic activity is a forewarning of some big earthquake action.


I'm guessing it is mate. The number of such activities reported were just to frequent. Not forgetting the little tremors recently, especially in the east. I saw a documentary about the magma chamber under Yellowstone, they were saying if that were to erupt the devastations could be major. Again it could be scientists trying to get attention, but they did compare the volcanic chamber of previous eruptions to that of Yellowstone, I can't help but be slight cautious in dismissing their claims.
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Postby May Yin on Wed Jul 18, 2007 7:03 am

Earthquake in Japan. :|
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Postby Danial on Wed Jul 18, 2007 5:02 pm

May Yin wrote:Earthquake in Japan. :|


You mean another one, May? Or were you referring to the one that happened last weekend?
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