Revelation 8:6-8
6 And the seven angels who had the seven trumpets prepared themselves to sound.
7 The first angel sounded, and there followed hail and fire mingled with blood, and they were cast upon the earth; and a third part of the trees were burned up, and all green grass was burned up.
8 And the second angel sounded and, as it were, a great mountain burning with fire was cast into the sea; and a third part of the sea became blood;
