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U.S. Geological Survey released a report Feb. 28 that the waters of central Chile on the morning took place near a magnitude 6.1 aftershock. The quake has caused about 115 aftershocks, the Richter magnitude from 4.9 to 6.9 range.
Nazca plate south of the equator in the eastern Pacific, and South America plate at an annual rate of nearly 9 cm
good son, said the quake occurred, about 340 kilometers from the epicenter of the strong shaking occurred in San Diego. Can be considered, the source of the fault extends from near San Diego along the trench, so the only place such a strong shaking. The starting point of the broken plate is rather deep, but shallow plate broken, mainly in the range of Jude Biao, so it still triggered a tsunami.
However, the Government of Chile, to wait until the end of the disaster assessment before deciding whether to accept foreign aid.
Chile's national emergency office said the most affected region is the first 7 and 8 regions, 8 of which Concepción, the capital city of the worst affected.
geophysicist Gerard Fryer
Di Mudi Dixon said the two earthquake fault zone far away from Haiti is not the role of the stress to the Chile earthquake fault zone.
Pacific Tsunami Warning Center officials said they overestimated the size and possible tsunami threat.
■ the same area
February 27 the U.S. media quoted seismologists as saying the Nazca plate and South American plates opposite movement, the accumulation of stress, with magnitude 9.5 earthquake in 1960 the applied stress on the fault that triggered the strong Chile earthquake.
Chile earthquake causes
Although far from the epicenter of the Japanese and the Russian Far East, the tsunami, but causing no damage.
professor of geology at the University of Miami
Japanese experts
Chile earthquake,
seismologists believe,[link widoczny dla zalogowanych], Chile February 27 locations and the strong earthquake magnitude 9.5 1960 earthquake in the same, in the Nazca plate subduction to the western edge of South America's fault. Earthquake fault rock resulted in fracture. Geophysicists estimate,
■ independent of Haiti
1960 earthquake in Chile caused the Nazca plate and South American tectonic plates break 1000 kilometers.
Sokal Rodriguez Goa, announced the company's Aconcagua refinery and bio-bio refinery equipment damage and energy supply problems, suspended operations.
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director of the center hill farming
Spring said: The trough along the settlement occurs when the plate when the angle is small because of its settlement and so will have very large friction, prone to large earthquakes, and sea will be a sharp uplift, prone to tsunami.
According to local media reports, the earthquake in Chile, killing at least 300 people were killed nationwide, 15 people missing, more than 200 million people affected in varying degrees. Quake of traffic disruption, housing quake.
Chile's national oil company manager
However, the country is still closely related to the tsunami situation, and not by the Pacific Tsunami Warning Center canceled a tsunami warning and vigilance.
at the Pacific Tsunami Warning Center in Hawaii on February 28 announced the cancellation of all Pacific Rim countries and regions, tsunami warning.
肯赫德纳特 U.S. Geological Survey geophysicist, said: p>
Lim that, from many aspects, Chile earthquake and the end of December 2004 in Aceh, Indonesia 7.9 earthquake similar to the thrust fault earthquake. Compared with the strike-slip fault earthquakes, thrust fault earthquake is more likely to cause tsunamis, geologists 戴维施瓦茨 California said, because
Geophysics, Woods Hole Oceanographic Institution research fellow Lin Jian (phonetic) said that a huge earthquake in 1960, the stress, although the frequency of the last 50 years Chile earthquake, but the effect of stress on the fault zone is not be fully released.
Pacific Tsunami Warning Center on Feb. 28 said that the center worried about the devastating tsunami did not happen, the worst seems to be higher than normal waves and sea level conditions.
2 月 27 日 1960 earthquake epicenter was located about 220 km north of the earthquake epicenter.
■ tremendous energy
Detailed
estimated to release energy, the February 27 earthquake on January 12 this year, the equivalent of Haiti's 250 times to 350 times.
2004 Indian Ocean tsunami triggered by an earthquake in Indonesia, more than 22 million people.
AP
Associate Professor in the mountains
Gu Wei Lu, Professor of the Centre, said after the earthquake in the Chile of about 8.5 hours, there were about 30 aftershocks. Aftershocks in the north central Chile, the capital of Santiago, Concepción south to about 500 km depth occurring within, basically reflects the aftershocks aftershock focal areas of the range.
He pointed out that each of the Nazca plate under the settlement to the South American plate about 8 cm, the Nazca plate sinking, the South American plate will be crushed and the accumulation of energy, when the energy reaches the limit, on the edge of plate crash, a huge earthquake occurs, energy is thus released. Frequent occurrence in this region of Chile which led to a major earthquake, such as occurred in 1960, a magnitude 9.5 earthquake. The source is located in the north of the 1960 earthquake source region. Near the San Diego area in 1985, 1939 and 1928 occurred an average of more than magnitude 7 earthquake, but the more intense the quake, magnitude 8.8 Richter achieved. Can be considered, including the earthquake source, including the majority of the region, there are plate boundaries, fault friction.
after a powerful earthquake in Chile, located in the Pacific Tsunami Warning Center in Hawaii immediately to the Pacific coast in 53 countries and regions, tsunami warning issued, the relevant countries and regions actively taking various preventive measures.
USGS geophysicist Paul Rocca Russo said the quake released energy equivalent to 50 billion tons of TNT detonated (tnt), fault rock cracks, about 400 kilometers long.
after the strong earthquake in Chile, the Pacific coast to the Pacific Tsunami Warning Center in 53 countries and regions, tsunami warning was issued. However, less than the expected wave height to promote early warning center to lift warning.
He believes that these huge fault friction, so that the seabed in the vicinity of the source crust up and down movement, the results of water be raised up around the expansion of the wave generated when the tsunami.
affected by the earthquake,[link widoczny dla zalogowanych], a few copper to temporarily suspend production in Chile, but Chile's Mining Minister Santiago Gonzalez said, cut will not affect Chile's copper exports.
Pacific Tsunami Warning lifted
China, the United States, Russia, Peru, Bolivia,[link widoczny dla zalogowanych], Venezuela, Mexico, Germany, Nicaragua and other countries of the leaders of the Government and people of Chile have expressed sympathy and offered to provide assistance in Chile.
associate professor in the mountains, said, when a major earthquake in Chile in 1960, up to 2-3 meters in 23 hours after the tsunami arrived in Japan, causing serious casualties. It is necessary to pay close attention to the Chile earthquake triggered tsunami on Japan.
Chile
am local time on February 27 magnitude 8.8 occurred in a strong earthquake has killed at least 300 deaths.
Warning Center, said:
first wave of the tsunami arrived on February 28 over the Asia-Pacific countries, but relatively mild waves, most parts of the wave height of not more than 1 meter.
The group of consolidated articles
Lin Chien
seismologists that the quake in Chile in January of this year is not associated Haiti. 7.3 magnitude earthquake in Haiti, are strike-slip fault earthquake, more than 20 million people.
Chilean President Michelle Bachelet made the evening of Feb. 27, said radio and television address, the day the earthquake occurred in Chile in 50 years suffered the most serious disaster. The earthquake intensity, spread wide, the current slow progress in disaster assessment, disaster situation or 72 hours to 48 hours before a possible announcement.

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