针对6月25日委内瑞拉发生的7.1级强震,中国地震局牵头组织10人专家组,于8月6日赴委内瑞拉开展为期20天的地震科学考察,并于8月25日完成任务回国 1。此次科考是国际地震学与地球内部物理学协会地震科考委员会成立后的首次活动,也是中国地震局首次组织科研人员赴拉美国家开展地震科考,实现了中委两国地震专家的首次交流合作 1。
考察期间,专家组围绕加拉加斯、瓦尔加斯等区域,开展了生命线工程和建筑震害及地表破裂等地震地质调查 1。此次工作深化了对板块边界复杂断层破裂过程等科学问题的认识,为委内瑞拉灾后重建及全球类似构造区地震危险区划提供了科学依据 1。
A 10-member expert group organized by the China Earthquake Administration departed for Venezuela on August 6 to conduct a 20-day seismic scientific expedition, returning home on August 25 after completing their mission 1. This expedition was launched following a magnitude 7.1 earthquake that struck Venezuela on June 25 1. It marks the first activity of the Seismic Expedition Committee of the International Association of Seismology and Physics of the Earth's Interior, as well as the China Earthquake Administration's first initiative to send researchers to a Latin American country for seismic scientific research 1. Furthermore, it represents the first exchange and cooperation between seismic experts from China and Venezuela 1.
During the expedition, the team focused on seismic geological surveys in areas such as Caracas and Vargas, investigating lifeline engineering, earthquake damage to buildings, and surface ruptures 1. The research has deepened the understanding of scientific issues, including the complex fault rupture processes at plate boundaries 1. Additionally, the findings will provide a scientific basis for post-disaster reconstruction in Venezuela and for seismic hazard zonation in similar tectonic regions globally 1.
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