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Global Volcanism Program | Image GVP-01759

The southern wall is the most prominent segment of the 11-km-wide Irosin caldera, and overlooks the flat caldera floor below the active Bulusan volcano. The northern caldera rim has been buried by the flanks of Bulusan and other post-caldera cones. Photo by Chris Newhall (U.S. Geological Survey).

The southern wall is the most prominent segment of the 11-km-wide Irosin caldera, and overlooks the flat caldera floor below the active Bulusan volcano. The northern caldera rim has been buried by the flanks of Bulusan and other post-caldera cones.

Photo by Chris Newhall (U.S. Geological Survey).


Bulusan