群發性地震 qún fā xìng dì zhèn

DEFINITIONS

  1. earthquake swarm

CHARACTERS

群 qún (same as U+7FA3 羣) group, crowd, multitude, mob
發 fā issue, dispatch, send out, emit
性 xìng nature, character, sex
地 dì earth; soil, ground; region
震 zhèn shake, quake, tremor; excite