Zechariah prophesies an earthquake which is equal in severity to one that occurred in the time of Uzziah, King of Judah. The historical earthquake that this refers to was prophesied by Amos.
Earthquakes and Meteorites
September 22nd
SciPop wants you to believe in an extraterrestrial impact: a meteor hit the Earth. Amos saw it coming. Uzziah tried to stop it. Isaiah began his prophetic ministry standing in its smoking ruins.