It means tremor, seism, teluric movement, earthly movement, jolt. Movement of the Earth's crust generated by the movement of tectonic plates.
Teluric movement, important tremor of the Earth's crust. From Greek 963; 949; 953; 963; 956; 959; 962; ( sixmos "earthquake" ).
SISMO:ESTREMECIMIENTO OF THE EARTH.VIOLENT SHAKING.
an earthquake is a trembling or shaking of the Earth by internal causes
