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Conference|When the Earth trembles: seismic monitoring in urban areas

Conference|When the Earth trembles: seismic monitoring in urban areas

China is located on the border of two seismic zones: Pacific and Mediterranean-Himalayan. It is one of the countries most marked by earthquakes. Statistics show that every year there are more 19 earthquakes of a magnitude greater than 5.4, 4 greater than 6 and 0.67 greater than 7. 22 provincial capitals and two-thirds of cities with a population of more than one million are located inside seismic zones.

Since 1949, China has set up institutions such as the Earthquake Administration, whose mission it is to develop major projects: seismic intensity maps, a seismic observation network, maps of faults and seismic movements, and the national seismic safety plan. Seismic observation on this scale involve continuous measurements by conventional translational seismographs, which the researcher Heiner Igel and the French company IXBlue propose to double by using rotational seismographs, an innovative French technology based on measurement in addition to vertical or horizontal movements of the earth's crust, the rotational movements making it possible to improve the precision of the measurements.

Heiner Igel is a geophysiologist with the Department of Earth and Environmental Sciences at the University of Munich. A specialist in earthquake modeling, he recently developed a new type of rotational sensor for seismic wave analysis in conjunction with the French company X-Blue, as part of an European Research Council programme.

 

19.09.2017 14:30

 

Chinese Academy of Geological Science

No. 26 Baiwanzhuang Street 

Xicheng district, Beijing, Beijing

 

 

 

 

     

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