Revelation 8:9
And a third part of the creatures in the sea, that had life, died; and a third part of the ships were destroyed.
Revelation 8:7
And the first angel sounded his trumpet, and there was hail and fire mingled with blood, and it was cast down upon the earth: and a third part of the trees and every green herb was burnt up.
Revelation 8:10
And the third angel sounded, and there fell from heaven a great star burning like a torch, and it fell upon a third part of the rivers, and the fountains of waters: and the name of the star is Wormwood;
Revelation 8:12
And the fourth angel sounded, and a third part of the sun was smitten, and a third part of the moon, and a third part of the stars; so that the third part of them was darkened, and the day lost a third part of it's light, and the night likewise.
Revelation 16:3
And the second angel poured out his vial upon the sea; and it became blood like that of a dead man: and every living soul in the sea died.