Following are a number of back-translations of Revelation 8:8:

• Uma: “The second angel blew his trumpet, there was something like a big mountain, flaming with fire. That mountain was thrown into the sea. One third of the water of the sea changed turning to blood.” (Source: Uma Back Translation)
• Yakan: “Then the next angel blew (the thing) like a tabuli’ that had been given to him. When he blew it, immediately there was something big like a mountain that was burning thrown into the sea. Then one part of the sea turned into blood. Two parts did not.” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “Then the second angel blew his trumpet, and there fell into the sea what seemed like a great blazing mountain.” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “After-that the second angel also blew-his-horn, and there was like a large flaming mountain which was thrown into the ocean. A third of the ocean, it became blood,” (Source: Kankanaey Back Translation)
• Tagbanwa: “When the second angel blew his horn, something was thrown down into the ocean which one could say was a big mountain including flames of fire. The third part of the ocean became blood.” (Source: Tagbanwa Back Translation)
• Tenango Otomi: “The second angel blew the trumpet. What I saw thrown into the sea then, was like a big mountain when it is burning. There in the sea where it landed the water became blood. But it didn’t come to half that became blood.” (Source: Tenango Otomi Back Translation)