the earth quakes and the mountains shake; used to describe a massive impact, a fierce battle, or a great display of power

(abbreviation) the world's first seismograph, invented by Zhang Heng in 132 AD during the Eastern Han dynasty; short for [[候风地动仪|候風地動儀|hou4 feng1 di4 dong4 yi2]]

the mountains and the earth shaking, as during an earthquake or explosion

Describes an extremely powerful shaking or vibration, as in a massive earthquake.

The world's first seismograph, invented by the astronomer [[张衡|張衡|zhang1 heng2]] in 132 AD during the Eastern Han dynasty.