וְנָמַ֤סּוּ הֶֽהָרִים֙ תַּחְתָּ֔יו וְהָעֲמָקִ֖ים יִתְבַּקָּ֑עוּ כַּדּוֹנַג֙ מִפְּנֵ֣י הָאֵ֔שׁ כְּמַ֖יִם מֻגָּרִ֥ים בְּמוֹרָֽד׃
And the mountains shall be molten under Him, And the valleys shall be cleft, As wax before the fire, As waters that are poured down a steep place.
Read midrashic interpretation of Micah 1:4: and classical rabbinic exegesis.