cast it into the earth - that is, unto the earth: the hot coals off the altar cast on the earth, symbolize God’s fiery judgments about to descend on the Church’s foes in answer to the saints’ incense-perfumed prayers which have just ascended before God, and those of the martyrs. How marvelous the power of the saints’ prayers!
there were - “there took place,” or “ensued.”
voices, and thunderings, and lightnings - B places the “voices” after “thunderings.” A places it after “lightnings.”