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中国地震局地球物理研究所中国数字地震台网数据管理中心(CDSN DMC)根据美国地震联合研究会数据管理中心(IRIS DMC)发布的2011年12月全球地震动态,通过修订后给出以下监测结果。2011年1—2月全球共发生M≥5.0地震293次,其中1月176次,2月117次。在1—2月发生的293次地震中,东半球共计197次,西半球共计91次。东半球发生M 5.0—5.9中强震188次,M 6.0—7.9强震1
China Earthquake Administration Institute of Geophysics China Digital Seismograph Data Management Center (CDSN DMC) According to the Global Seismic Dynamics of December 2011 released by the IRIS DMC, the following monitoring results are revised . There were 293 M≥5 earthquakes in the world from January to February 2011, of which 176 were in January and 117 in February. Of the 293 earthquakes that occurred in January-February, there were 197 in the eastern hemisphere and 91 in the western hemisphere. In the eastern hemisphere, there were 188 strong earthquakes M 5.0-5.9 and M 6.0-7.9 strong earthquakes 1