CNN Reported that at least four children were killed and 100 hurt when two primary school buildings collapsed after an earthquake capable of causing major damage shook central China on Monday.A street in Chengdu, in southwest China, is covered in water after a pipe burst during Monday's earthquake.The quake registered a magnitude of 7.8,, according to the United States Geological Survey.
The students died in the Chongqing municipality, about 215 miles (345 kilometers) southeast of the epicenter, according to China's official news agency Xinhua.
The Three Gorges Dam in Wenchuan -- near Chongqing -- was not damaged, a spokesman there said.
Two more earthquakes -- measuring 6.0 and 5.4 magnitudes -- happened nearby over the next hour, the USGS reported.
Chinese President Hu Jintao immediately ordered an all-out effort to help victims of the earthquakes, Xinhua reported.It said Premier Wen Jiabao would go there to direct the rescue work.
China's state-run CCTV reported no serious damage in Chengdu, a city of more than 10 million that is about 60 miles from the epicenter, in the eastern part of China's Sichuan province.
Bonnie Thie, the country director of the Peace Corps, was on a university campus in Chengdu when the first quake hit.