Crossword solverSynonyms for geological phenomenon19 crossword answers for “geological phenomenon” (10,10), sorted by letter count.How many letters?All1953617182911031131221311611715 letters 3floodquakeseism6 letters 1deluge7 letters 1deposit8 letters 2alluvionendogeny9 letters 1cataclysm10 letters 3inundationearthquakefrost heave(5,5)11 letters 3catastrophealluviationalluvial fan(8,3)12 letters 2alluvial cone(8,4)frost heaving(5,7)13 letters 1sedimentation16 letters 1continental drift(11,5)17 letters 1natural phenomenon(7,10)