"Earthquake" symbolizes an unexpected, unforeseen, rapid change in the foundations, foundations, traditions, worldview of the people as a result of their spiritual enlightenment by turning to the fulfillment of God's Will, His Commandments, as obvious, provable, undeniable facts.
"Earthquake" is also a symbol of social, religious, political, economic upheavals of peoples, as a consequence of their rejection, violation, perversion of the Laws, Commandments established by God.