Revelation 8:8

Overview - Revelation 8
1	At the opening of the seventh seal,
2	Seven angels have seven trumpets given them.
6	Four of them sound their trumpets and great plagues follow.
9	Another angel puts incense to the prayers of the saints on the golden altar.

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;