Note 69 — Chapter VIII · THE GREAT ALEUTIAN CHAIN.

Bishop Veniaminov, who witnessed one of these eruptions in 1825, describes the occurrence: “On the 10th March, 1825, after a prolonged subterranean noise resembling a heavy cannonade, that was plainly heard on the islands of Oonalashka, Akoon, and the southern end of the Alaska Peninsula, a low ridge at the northwestern end of Oonimak opened in five places with violent emissions of flames and great masses of black ashes, covering the country for miles around; the ice and snow on the mountain tops melted and descended in a terrific torrent five to ten miles in width, on the eastern side of the island. The Shishaldin crater, which up to that time had also emitted flames, continued to smoke only.”