摘要
2009年地震频度较高,强度较低;地震灾情一般较轻,较重的地区一是印度尼西亚地区,其次是意大利地区。
Earthquakes occurred in high frequency in the year 2009,but the total energy released was relatively low,and the earthquakes had minor disaster affection as compared with previous years.Indonesia was the most affected area,Italy came second.