- 问题详情:Anearthquakeisatremblingorshakingofthegroundcausedbythesuddenrelease(释放)ofenergystoredintherocksbelowthesurface.Generally,earthquakeslastonlyseconds.stronggroundshakingduringamediumtolargeearthquakegenerallylastsabout10to30seconds.After-sho...
- 14936