Anearthquakeisatremblingorshakingofthegroundcausedbythe...
问题详情:Anearthquakeisatremblingorshakingofthegroundcausedbythesuddenrelease(释放)ofenergystoredintherocksbelowthesurface.Generally,earthquakeslastonlyseconds.stronggroundshakingduringamediumtolargeea...