Mount Natib (Volcano)


Mount Natib (Volcano)

Mount Natib (Volcano)

Mount Natib is a dormant volcano and caldera complex in the province of Bataan on western Luzon Island of the Philippines. The volcano complex occupies the northern portion of the Bataan Peninsula. The mountain and adjacent surrounding is a protected area first declared as the Bataan National Park in 1945.

Volcanic activity

There are no historical eruptions within the Natib caldera complex. Studies in 1991 (Panum and Rayem) indicate that the last eruptive activity was probably Holocene to upper Pleistocene. An earlier study in 1971 (Ebasco Services) dated the eruptive products between 69,000 +/- 27,000 years old. A recent study by Dr. Kevin Rodolfo of the Department of Earth and Environmental Sciences at the University of Illinois at Chicago, had Mount Natib's latest eruption between 11,000 and 18,000 years ago after studying a prehistoric pyroclastic flow from the volcano that entered Subic Bay in Zambales province. Current activity on Natib is through five thermal areas. The hot springs in the Natib caldera are Asin, Mamot, Tigulangin, Uyong and Paipit springs. The hot springs have temperatures ranging from 30-56 °C, with low flows, and a neutral to slightly alkaline water discharge.

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) lists Mount Natib as a potentially active volcano.


The rocks found on Natib are predominantly biotite, hornblende, andesite, trending to dacite flows and dacitic tuffs, which are similar to Mount Mariveles, the southern half of the Bataan Peninsula.

Natib is part of the Western Bataan Lineament volcanic belt which includes the active Mount Pinatubo.

Published on : 21/09/2020 by Puerto Parrot

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