Fig. 3From: Aeromagnetic survey in Kusatsu-Shirane volcano, central Japan, by using an unmanned helicopterMagnetization intensity model in Kusatsu-Shirane volcano. The closed circle with “Y”, square with “K”, triangle with “M” are the crater lake Yugama of Mt. Shirane, Kagamiike-kita crater, and the main crater of Mt. Motoshirane, respectively. Note that a surrounding area is not shown because of no model resolution, although an inverted area is much widerBack to article page