The term 'ABOUT TO ERUPT' can be broken down into four crossword solutions: IRATE (5 letters), BLOW (4 letters), FLARE (5 letters), and SORER (5 letters). IRATE means to be very angry, BLOW is an act of exhaling air forcefully, FLARE is a sudden burst of light or heat, and SORER is an adjective meaning more painful. Taken together, these words suggest that something is about to happen that will be intense and potentially destructive.