Volcano and Ryukyu Islands campaign Volcano and Ryukyu Islands campaign The Volcano and Ryūkyū Islands Campaign was a series of battles and engagements between Allied forces and Imperial Japanese forces in the Pacific Ocean campaign of World War II between January and June, 1945. The campaign took place in the Volcano and Ryukyu island groups. The two main land battles in the campaign were the Battle of Iwo Jima (February 16-March 26, 1945) and the Battle of Okinawa (April 1–June 21, 1945). One major naval battle occurred, called Operation Ten-Go (April 7, 1945) after the operational title given to it by the Japanese. The campaign
McDonald Islands (volcano) of the islands, at around in area. It has been the main focus of activity in recent times. Prior to 1996, McDonald Island had been a flat green island whose pumice beaches provided a great nesting area for penguin breeding. The island now has two main peaks, Maxwell Hill and Samarang Hill – the highest is Maxwell Hill at . Prior to 1992, no eruptions had taken place at the McDonald Islands volcano for 75,000 years. A series of eruptions started in 1992. The first recorded eruption from the McDonalds was from a submarine vent (a small VEI-0 eruption) in