南海珠江口盆地地质灾害因素分析

南海珠江口盆地潜伏着多种地质灾害因素，对海洋开发、油气资源勘探、海底管线铺设等构成直接危害或潜在的威胁。根据联合国开发计划署（ＵＮＤＰ）援华项目（ＣＰＲ／８５／０４４）实际调查资料，对区内地震、活动断裂、海底滑坡、浅层气、活动沙波．埋藏古河道等潜在灾害因素作了分析，讨论了它们的成因机制与分布规律，提出防避灾害事件发生的具体措施。

AN ANALYSIS ON GEOHAZARDOUS FACTORS IN THE ZHUJIANG RIVER MOUTH BASIN OF SOUTH CHINA SEA

There are lots of potential geohazardous factors in the Zhujiang River Mouth Basin of South China Sea which endanger the marine development, oil and gas exploration and scabed pipeline directly and indirectly. Based on survey (iata of CPR/85/044 project which was financially assisted by UNDP, this paper mainly analyses earthquakes, active faults, seabed slides, shallow gas, active sand waves, and buried channels in the area,and discusses their origin and distribution for avoidance of geohazards and marine development.