Today, the Indian Ocean tsunami early warning system includes seismological and oceanic observation networks, regional analysis and advisory centres, and national tsunami warning centres linked to national risk assessment and preparedness activities.
82. 目前，印度洋海啸预警系统包括地震和海洋观察、区域分析和咨询中心以及同国家风险评估相连的国家海啸警报中心以及备灾活动。