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The ten year sacrifice of the Wenchuan earthquake
来源: | 作者:pmo9de847 | 发布时间: 2018-05-17 | 47 次浏览 | 分享到:

"My job now is to organize the receipts. It may sound boring to many people but I really like it," she said. "Being alive is the happiest thing for me."

 

Heng Yonghong, 27, a survivor of the 8.0-magnitude Wenchuan earthquake on May 12, 2008, now works at the accounting department at Chongqing Emergency Medical Center, where she received treatment after the deadly event.

 

Ten years ago, Heng was a first grade student at Beichuan High School in Beichuan county, southwest China's Sichuan province. After the deadly event, she was trapped under rubble for over 30 hours. When the rescue team pulled her out of the collapsed teaching building, her legs were injured so much it was thought they would need to be amputated. Only 25 out of 60 students from her class survived.

 

The earthquake killed 69,226 people and left 17,923 missing.

 

Heng was soon transferred to nearby Chongqing to get better medical treatment. Chongqing Emergency Medical Center gathered a team of 12 experts to treat earthquake patients. Shi Ruofei, then the director of the medical center and the leader of the earthquake medical team, decided to do his utmost to save the young student's legs.

 

"She was so young then. Even if we could keep only one leg for her, her life would be greatly different," Shi recalled.

 

Fortunately, thanks to careful treatment and Heng's strong desire to survive, the student returned to Sichuan two months later with both legs intact.

 

The tragedy made Heng much stronger. She continued study with former classmates at a temporary tent campus and took part in the national college entrance exam in 2010. Regarding Chongqing as her second hometown, Heng applied to Yangtze Normal University to study accounting.

 

In 2014, Heng passed the recruitment test for the hospital and became an employee at the place where her life was saved.

 

China has built an earthquake early warning system in Chengdu, capital of Southwest China's Sichuan province, exploiting multiple broadcasting systems to alert citizens seconds before seismic waves arrive.

 

In an earthquake drill Wednesday, an early warning was sent through radio, television and cell phones to 60 residential communities in Chengdu High-Tech district.

 

"The earthquake early warning is not an earthquake forecast. It just uses the theory that radio waves travel faster than seismic waves to give people seconds of time ahead of the jolt," said Wang Tun, head of the Sichuan Province Key Laboratory, and Chengdu High-Tech Disaster Reduction Institute.

 

Wang said that aided with advanced technology from the Internet of Things, the system connected with the seismic network sends out the warning when shock waves are monitored so people have extra seconds to find shelter.

 

Earthquake research has found that being aware of an earthquake 3 seconds ahead can save 14 percent of casualties, 10 seconds can save 39 percent of casualties, and 20 seconds can save 63 percent of casualties.

 

In important sectors such as the chemical industry, nuclear industry, high-speed railways and urban metro systems, the earthquake early warning can substantially save losses and avoid secondary disasters, Wang said.

 

He said that currently Chengdu's warning system covered 2.2 million square km, where there are 660 million people.

 

China started to build 2,000 monitoring stations in Sichuan and neighbouring Yunnan Province to collect data on underground stress and energy 8 to 20 kilometers below the surface of the earth, providing researchers with potential insights to better monitor seismic activities and make earthquake forecasting.

 

The system makes China the third country in the world after Japan and Mexico with an earthquake early warning ability.

 

In the magnitude 7 quake that rocked Jiuzhaigou County, Sichuan, on Aug. 8, 2017, the quake alert was sent out 71 seconds before the first seismic wave arrived.

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