Complex sentence: On the last day of August, "Peacock" makes for Manila, by way of Long Island and Crokatoa, where hot found on the eastern side of the islands one hundred and fifty feet from the shore boiled furiously up, through many fathoms of water.
Split into simpler sentences: On the last day of August, "Peacock" made for Manila, visiting Long Island and Crokatoa. Hot springs found on the eastern side of the islands one hundred and fifty feet from the shore boiled furiously up, through many fathoms of water.