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Topic: 2005 Sumatran earthquake

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In the News (Wed 21 Aug 19)

 Tsunami - Tectonics   (Site not responding. Last check: 2007-11-06)
Earthquakes not only cause the ground to shake and sometimes rupture, but the effects of the shaking and rupturing can cause other events to occur such as inundation (tsunami, seiche), ground failure (liquefaction, landslide), fire, or a release of hazardous materials.
The earthquake was measured at a 6.5 magnitude and was caused by reverse faulting.
Another earthquake that occured on March 28, 2005 was a 8.7 magnitude earthquake and occured 100 miles southeast of the December 26, 2004 Sumatra quake.
academic.evergreen.edu /g/grossmaz/HAMMVM   (2189 words)

 Wikipedia Mirror
An earthquake of magnitude 8.7 was reported shortly at 16:09:37 UTC (23:09:37 local time) on March 28, 2005, approximately at the same location (see 2005 Sumatran earthquake).
The earthquake is estimated to have resulted in an oscillation of the Earth's surface of about 20–30 cm (8–12 in), equivalent to the effect of the tidal forces caused by the Sun and Moon.
The deadliest earthquakes since 1900 were the Tangshan, China earthquake of 1976, in which at least 255,000 were killed; the earthquake of 1927 in Xining, Qinghai, China (200,000); the Great Kanto earthquake which struck Tokyo in 1923 (143,000); and the Gansu, China, earthquake of 1920 (200,000).
www.patrickconnors.org /tsunami/earthquake.html   (6796 words)

 Earthquake - Free net encyclopedia   (Site not responding. Last check: 2007-11-06)
Earthquakes occur where the stress resulting from the differential motion of these plates exceeds the strength of the crust.
Most earthquakes are tectonic, but they also occur in volcanic regions and as the result of a number of anthropogenic sources, such as reservoir induced seismicity, mining and the removal or injection of fluids into the crust.
Deep focus earthquakes, at depths of hundreds of kilometres, are possibly generated as subducted lithospheric material catastrophically undergoes a phase transition since at the pressures and temperatures present at such depth elastic strain cannot be supported.
www.netipedia.com /index.php/Earthquake   (2359 words)

 2004 Indian Ocean earthquake - Article from FactBug.org - the fast Wikipedia mirror site
Each of these megathrust earthquakes also spawned tsunamis (in the Pacific Ocean), but the death toll from these was significantly lower; a few thousand for the worst one, probably because of the lower population density along the coasts near affected areas and the much greater distances to more populated coasts.
The earthquake was the fourth most powerful recorded since 1900, and the confirmed death toll so far is between 165,000 and 235,000, due to the ensuing tsunami.
The 2004 earthquake and tsunami seem to be the worst natural disaster since either the 1976 Tangshan earthquake or the 1970 Bhola cyclone, or could conceivably exceed both of these.
www.factbug.org /cgi-bin/a.cgi?a=1328236   (5896 words)

 Every thing and anything | A site about almost evrything! ! =^)
The 2004 Indian Ocean earthquake, known by the scientific community as the Sumatra-Andaman earthquake, was an undersea earthquake that occurred at 00:58:53 UTC (07:58:53 local time) on December 26, 2004.
Various values were given for the magnitude of the earthquake, ranging from 9.0 to 9.3 (which would make it the second largest earthquake ever recorded on a seismograph), though authoritative estimates now put the magnitude at 9.15.
In May 2005, scientists reported that the earthquake itself lasted close to ten minutes when most major earthquakes last no more than a few seconds; it caused the entire planet to vibrate at least a few centimetres.
www.freewebs.com /relief-katrina/earthquake.htm   (3333 words)

 [No title]
The earthquake's epicentre was situated between 20 and 40 kilometres underground 107 kilometres northwest from the island.
The earthquake caused a power failure to the island for about 30 minutes with no reported injuries or major damage from the shaking.
On March 28, 2005, the island was again hit by the 2005 Sumatran earthquake, initially presumed to be an aftershock following the 2004 quake, but now regarded as the second-most powerful earthquake in the world since 1965.
www.atsnn.com /story/134882.html   (354 words)

 washingtonpost.com: Monitoring Mother Nature
The message said the survey's earthquake-monitoring center in Golden, Colo., had detected a large earthquake, magnitude 6.5, northwest of the Indonesian island of Sumatra.
The Sumatran earthquake turned out to be a magnitude 9.0, the fourth most powerful since 1900, and it had unleashed massive waves -- produced by a tsunami -- that were wreaking devastation from South Asia to as far away as Africa.
By looking at the survey's earthquake data and population maps of the region, "we knew within a couple of hours" that the death toll would be enormous, said USGS Director Charles "Chip" Groat.
www.washingtonpost.com /ac2/wp-dyn/A57397-2005Feb2?language=printer   (192 words)

 LiveScience.com - Central U.S. Warned of Larger Earthquakes to Come
Earthquakes of similar intensity occurred around the year 900 and again in the middle 1400s along the New Madrid fault, named for a small town in Missouri.
The regional Center for Community Earthquake Preparedness issued a statement Thursday saying the quake "underscores the need for Mid-South emergency management officials to have a seismic response plan ready." The CCEP is staffed by engineers and geologists from the University of Mississippi.
The largest earthquake in the world since measurements have been made was a 9.5-magnitude event that shook Chile in 1960.
www.livescience.com /forcesofnature/050210_earthquake_arkansas.html   (775 words)

 Penn State News
Previous earthquakes in the range of the Sumatra-Andaman great earthquake occurred in Kamchatka, Russia in 1952; the Aleutians in 1957; southern Chile in 1960, and Prince William Sound, Alaska in 1964, long before current computational methods for modeling earthquakes were possible.
The researchers found that the earthquake originated and was strongest just north and west of the island of Sumatra, Indonesia and decreased in strength as it ruptured north to the Nicobar and Andaman Islands, India in the Bay of Bengal.
The models also showed that the March 2005 earthquake began south of the first earthquake and was much shorter in both time and space.
www.psu.edu /ur/2005/tsunami.html   (740 words)

 Earthquake insurances Earthquake, more information about Earthquake   (Site not responding. Last check: 2007-11-06)
Earthquakes occur every day on Earth, but the majority of them are minor and cause no damage.
An important theory point that causes of earthquakes is related to movement of gas in the earth´s crust, mainly methane (see http://people.cornell.edu/pages/tg21/Earthq.html)
Also: NORTHERN IRAN earthquake magnitude 6.3, 2004 May 28 12:38:46 UTC, Preliminary Earthquake Report, U.S. Geological Survey, National Earthquake Information Center, World Data Center for Seismology, Denver, A strong earthquake occurred at 12:38:46 (UTC) on Friday, May 28, 2004.
www.earthquake-insurances.com /Earthquake.html   (1458 words)

 PIRSA - Earthquakes - Boxing Day 2004 - Sumatran Earthquake   (Site not responding. Last check: 2007-11-06)
This poster contrasts the strength of the Indian Ocean earthquake with the normal background movements of the Earth's crust.
Vibration continued after the main earthquake for about 3 hours, as waves travel outwards from the rupture, reflecting and refracting from various layers, and travelling at various speeds.
Many earthquakes such as this one, are recorded in many countries, spanning many time zones, and the readings from many seismographs are required to work out the most accurate epicentre, depth and time of occurrence, and the sense of movement.
www.pir.sa.gov.au /pages/minerals/earthquakes/eq_tsunami.htm   (757 words)

 Universe Today - Earthquake Should Show a Gravity Scar
A new ESA study predicts that the devastating Sumatran earthquake, which resulted in the tragic tsunami of 26 December 2004, will have left a ‘scar’ on Earth’s gravity that could be detected by a sensitive new satellite, due for launch next year.
The Sumatran earthquake measured 9 on the Richter scale and caused widespread devastation and death when it struck unexpectedly late last year.
When material is moved around, either instantaneously in an earthquake or gradually as in a melting ice field, the Earth’s gravity in the local region changes and so does the height of the geoid.
www.universetoday.com /am/publish/earthquake_gravity_scar.html?2542005   (749 words)

 Tsunami panic - Salon
Survivors of the Dec. 26 tsunami fled their homes Monday night after a huge undersea earthquake, measuring up to 8.7 magnitude, struck off the coast of Sumatra, with as many as 2,000 people feared dead on the Indonesian island of Nias, close to its epicenter.
Electricity and phone lines were down across much of Sumatra, and the earthquake was felt as far away as Bangkok and Singapore, where tall buildings swayed and people in high-rise hotels streamed onto the streets.
Scientists last week predicted a magnitude 7.5 earthquake was possible in the region after the seismic slip on Dec. 26 had piled dangerous levels of stress onto two vulnerable parts of the fault zone off the coast of Sumatra.
dir.salon.com /story/news/feature/2005/03/29/earthquake/index.html   (1038 words)

 WHOI : Oceanus : In the Tsunami's Wake, New Knowledge About Earthquakes   (Site not responding. Last check: 2007-11-06)
STRESS TRIGGERING—The March 28 earthquake occurred to the south of the December 2004 earthquake rupture zone, supporting the theory that the 2005 earthquake may have been triggered by the 2004 quake.
The largest earthquake ever recorded was a magnitude-9.5 event in a geologically similar ocean trench off Chile in South America in 1960, which killed an estimated 2,000 people.
Lin found a striking comparison between the1960 and 2004 earthquakes: Both ruptured the seafloor for distances as long as 1,000 to 1,300 kilometers (about 625 to 810 miles), and both caused ocean-spanning large tsunamis.
www.whoi.edu /oceanus/viewArticle.do?id=5424   (797 words)

 Kentucky Seismic Network Records Great Sumatran Earthquake   (Site not responding. Last check: 2007-11-06)
The March 28 earthquake near northern Sumatra, with an estimated magnitude of 8.7 on the Richter Scale, was recorded on instruments in the Kentucky Seismic and Strong Motion Network, operated by the Kentucky Geological Survey and the UK Department of Geological Sciences.
Unlike the Dec. 26, 2004 great earthquake in the same region, this one did not cause damaging tsunamis.
The December earthquake was also recorded by the Kentucky network.
www.uky.edu /KGS/geologichazards/sumatran.htm   (160 words)

 2005 Sumatra earthquake - Wikipedia, the free encyclopedia
The earthquake occurred at 16:09:36 UTC (11:09:36 P.M. local time) on March 28, 2005.
Australia announced it would provide AUD 1 million in emergency aid, and, at the request of the Indonesian Government, dispatched Australian Defence Force medical teams and equipment to Nias.
The Australian naval ship HMAS Kanimbla [5], having only recently left Aceh, was redeployed to the region from Singapore.
en.wikipedia.org /wiki/2005_Sumatran_earthquake   (946 words)

 cars - 2005
2002 2003 2004 - 2005 - 2006 2007 2008
A mine blast occurred at the Xishui coal mine in Shuozhou and rocked nearby Kangjiayao coal mine.
At least 46 workers have been killed and several others injured in a blast at an explosives factory in Zambia.
www.carluvers.com /cars/2005   (2626 words)

 Earthquake in the Northern Sumatra Region   (Site not responding. Last check: 2007-11-06)
Another strong earthquake (8.2 8.7) near Northern Sumatra, Indonesia.
We predicted and warned this Earthquake as 65 % of occurrence percentage.[EarthquakeAlert]
Another disaster has struck the Indian Ocean area, with an earthquake hitting Sumatra and registering 8.7.
www.worldchanging.com /archives/2260.xml   (83 words)

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