March 28, 2005 Category:March 28, 2005 <div style="float:right"> Epicenter map from NOAA A magnitude 8.7 earthquake has been reported in northern Sumatra, Indonesia by the U.S. Geological Survey (originally an 8.2 magnitude at 2:37 ET (7:37 GMT) the USGS reclassified it to an 8.7 magnitude). Government spokesman Agus Mendrova reported more than 290 deaths on the island of Nias. Hundreds of others were reported trapped in collapsed buildings, including structures weakened by the December 26th earthquake. The quake occurred at 11:09 ET (16:09 GMT), and is considered a "great" earthquake, the largest of seven grades. This earthquake is also classified as a "shallow" earthquake, occuring within the top 50 kilometres of the Earth's crust. Shallow earthquakes are more likely to cause a tsunami, because as the lower within the surface the earthquake occurs, the less warping of the ocean floor occurs. This earthquake was a thrust quake; the December 26th Indian Ocean quake was considered a megathrust quake.
March 28, 2005 <div style="float:right"> Epicenter map from NOAA A magnitude 8.7 earthquake has been reported in northern Sumatra, Indonesia by the U.S. Geological Survey (originally an 8.2 magnitude at 2:37 ET (7:37 GMT) the USGS reclassified it to an 8.7 magnitude). Government spokesman Agus Mendrova reported more than 290 deaths on the island of Nias. Hundreds of others were reported trapped in collapsed buildings, including structures weakened by the December 26th earthquake. The quake occurred at 11:09 ET (16:09 GMT), and is considered a "great" earthquake, the largest of seven grades. This earthquake is also classified as a "shallow" earthquake, occurring within the top 50 kilometres of the Earth's crust. Shallow earthquakes are more likely to cause a tsunami, because as the lower within the surface the earthquake occurs, the less warping of the ocean floor occurs. This earthquake was a thrust quake; the December 26th Indian Ocean quake was considered a megathrust quake.
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Category:March 28, 2005
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