Revelation 8:9
“And the third part of the creatures which were in the sea, and had life, died; and the third part of the ships were destroyed.”
The 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.
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;
And the third part of the creatures which were in the sea, and had life, died; and the third part of the ships were destroyed.
And 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;
And 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.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And the same hour was there a great earthquake, and the tenth part of the city fell, and in the earthquake were slain of men seven thousand: and the remnant were affrighted, and gave glory to the God of heaven.”
“And the four angels were loosed, which were prepared for an hour, and a day, and a month, and a year, for to slay the third part of men.”
“And the fish that was in the river died; and the river stank, and the Egyptians could not drink of the water of the river; and there was blood throughout all the land of Egypt.”
“And the second angel poured out his vial upon the sea; and it became as the blood of a dead man: and every living soul died in the sea.”
“Thou breakest the ships of Tarshish with an east wind.”