Delimitation of Volcanic Danger Areas, Camiguin Island, Dec. 18, 1951
Hibok Hibok (Camiguin), Philippines, 1952
Philippine Geodetic & Geophysical Institute. (1952). A preliminary report on the recent eruptions of Hibok-Hibok volcano, Camiguin Island, Philippines. Bull Volcanol 12, 215–225.
This map was produced by an official agency, but is NOT the most recent, most complete, or main operational map.
For the current operational hazard map, please consult the proper institutional authorities.
