The are a group of volcanic deserted islands located in the Philippine Sea approximately south of Tokyo and west of Miyake-jima, in the northern portion of the Izu archipelago, Japan. The group is also known as from its profile.
à Ânohara-jima consists of nine main islets and several smaller rocks and stacks. The island is the remnant of an andesite lava dome with sheer sides, the only visible portion of a submarine volcanic caldera. The above sea-level portion has a surface area of approximately 0.2 square kilometers, with a summit height of on the main islet of .
Located in the Kuroshio Current, the area has abundant sea life, and is popular with sports fishermen and scuba divers.
During the Korean War, aircraft of the US Air Force used à Ânohara-jima as a bombing range, endangering the Japanese murrelet, a rare seabird that breeds on à Ânohara-jima. The bombing was stopped after Jack Moyer wrote a letter to an associate of then-US President Harry S. Truman.