World Record Title: The biggest volcano: Mount Aso
World Record Creator: Mount Aso
World Record Holder: Mount Aso
World Record Field: The biggest crater
World Record Rules: The largest crater
World Record Number: 20120500011
World Record Validity Period: Until the world record was broken.
World Record Witness: Carrying the Flag World Records certifier 002
World Records Source: World record database of Carrying the Flag
Awarding Certificate Date: May 3, 2012
World Record Details:     

 The largest crater: Mount Aso. Perimeter of more than 120 kilometers, is located in Japan. Aso is a famous Japanese volcano. Located in northern Kyushu Kumamoto Prefecture, is a symbol of Kumamoto to have a large volcanic caldera known duplex. Slightly elliptical, north to south and 24 kilometers from east to west 18 km, about 120 km around the area of ​​250 km2. Located in the White Mountains of east-west and north-south trending volcanic belt Kirishima volcanic belt rendezvous point, the Central Pliocene - Pleistocene andesite and rhyolite composition, about 180 cubic kilometers of volcanic ejecta, dating back 3.3 million years before the formation of the world's largest caldera, is living in AC type spa resort.