Bonin Islands Pacific Plate is subducting under the Philippine Sea Plate, which creates an oceanic trench to the east of the islands: the Bonin Trench. The crust of the Ogasawara Islands was formed by volcanic activity when subduction began 45–50 million years ago, and is composed mostly of an andesitic volcanic rock called boninite, which is rich in magnesium oxide, chromium, and silicon dioxide. The Ogasawara Islands may represent the exposed parts of an ophiolite that has not yet been emplaced on oceanic crust. The rocks of the Volcano Islands are much younger; Iwo Jima is a dormant volcano characterized by rapid
Under the Volcano Festival 20th anniversary, in 2010. UTV featured a number of high-profile activists and entertainers in its 20 years of existence, including: Ward Churchill, Faith Nolan, Kinnie Starr, Paint, Kathleen Yearwood, Tegan & Sara, Naomi Klein and Lourdes Perez. Under the Volcano celebrated its last festival on August 8, 2010 Under the Volcano Festival Under The Volcano Festival Of Art & Social Change was an activist, grassroots gathering held at Whey-Ah-Wichen Cates Park on the traditional territory of the Tsleil-Waututh Nation in North Vancouver, BC in August. "Under the Volcano" was Canada's largest political arts festival and was 100% volunteer produced. The