从事地震工作的专业或业余工作者,经常可从有关部门得到一份近期的地震目录,或者在条件许可的情况下,自己从地震仪所记录的地震中整理一份这样的目录.得到地震目录以后,通常最关心的是本地区近期的地震,然后浏览一下本省、 Professional or amateur workers engaged in earthquakes can often obtain a recent catalog of earthquakes from the relevant authorities or, if the conditions permit, sort out such a catalog from the seismographs recorded by the seismograph. Later, the most concern is usually the recent earthquake in the region, and then look at the province,