Revelation 8:8
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;
Cross-reference
Revelation 8:7
Parallel
Revelation 8:7 describes the first trumpet's destruction on land — this second trumpet shifts to the sea, continuing the series.
Exodus 7:17–21
Typology
Exodus 7:17-21 is the original plague of water turning to blood, prefiguring this trumpet judgment.
Jeremiah 51:25
Allusion
In Jeremiah 51:25, God calls Babylon a 'destroying mountain' that becomes burnt — Revelation 8:8 uses that image for a judgment on the sea.
Exodus 7:20
Allusion
Exodus 7:20 records Moses striking the Nile to turn it to blood — the specific event echoed in this trumpet.
Amos 7:4
Parallel
In Amos 7:4, the Lord's fire consumes the great deep — similar to the burning mountain thrown into the sea here.