Revelation 8:8
King James Version
“And the second angel sounded, and as it were a great mountain burning with fire was cast into the sea: and the third part of the sea became blood;”
Context
5And the angel took the censer, and filled it with fire of the altar, and cast into the earth: and there were voices, and thunderings, and lightnings, and an earthquake.
6And the seven angels which had the seven trumpets prepared themselves to sound.
7The first angel sounded, and there followed hail and fire mingled with blood, and they were cast upon the earth: and the third part of trees was burnt up, and all green grass was burnt up.
8And the second angel sounded, and as it were a great mountain burning with fire was cast into the sea: and the third part of the sea became blood;
9And the third part of the creatures which were in the sea, and had life, died; and the third part of the ships were destroyed.
10And the third angel sounded, and there fell a great star from heaven, burning as it were a lamp, and it fell upon the third part of the rivers, and upon the fountains of waters;
11And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.