The purpose of this report is to indicate the exixtence of a phreato-magnetic volcanic center in the densely populated area south of Cirebon city. On July 6 and July 29, 1988, I examined the geology of the area near the reservoir (waduk) Setu Patok , located 8 km south of Cirebon city (Figure 1) [108 degrees, 47', 10" S; topographic map, 1966 series, sheet 4722 IV, Tjirebon].
The spectacle of explosive volcanic activity has always struck us with a sense of fascination and awe. Stories of the last days of Pompeii and Herculaneum, the massive eruption of Krakatau, and more recently the destruction wrought by Mount St. Helens in Washington and El Chinchon in Mexico have captured the public imagination. This atlas examines the aftermath of such events by looking at the …