Eruptions of Taal Volcano 1976–1977

Abstract

Sixty kilometers due south of Manila, Philippines, hidden behind an ignimbrite delta, which at its rim is nearly 700‐m high, is the active Taal Volcano. There is a lake of 267 km2 in the volcano‐tectonic depression and within it an island of 25 km2. The island has been constructed largely by phreatomagmatic activity, added to in historic times. The last major eruption occurred when a channel was opened to the lake by an explosion on September 28, 1965 (see Figure 1).