Patoc is a strongly

fumarolic A fumarole (or fumerole) is a vent in the surface of the Earth or another rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcani ...

stratovolcano A stratovolcano, also known as a composite volcano, is a typically conical volcano built up by many alternating layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with ...

in the

Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...

. Patoc is located in

Mountain Province Mountain Province (; ; ; ; ; ) is a landlocked province of the Philippines in the Cordillera Administrative Region in Luzon. Its capital is Bontoc while Bauko is the largest municipality. Mountain Province was formerly referred to as Mountain ...

, part of the

Cordillera Central Central Cordillera refers to the New Guinea Highlands. Cordillera Central, meaning ''central range'' in Spanish, may refer to the following mountain ranges: * Cordillera Central, Andes (disambiguation), several mountain ranges in South America ** ...

range, on the island of

Luzon Luzon ( , ) is the largest and most populous List of islands in the Philippines, island in the Philippines. Located in the northern portion of the List of islands of the Philippines, Philippine archipelago, it is the economic and political ce ...

, in the Philippines. It is located 6 cadastral kilometres north of

Bontoc Bontoc may refer to: * Bontoc, Mountain Province, Philippines * Bontoc, Southern Leyte, Philippines * Bontoc people, an ethnic group from Central Luzon, Philippines * Bontoc language, spoken by the Bontoc people {{disambig, geo Language and ...

, at latitude 17.147°N (17°8'48"N), longitude 120.98°E (120°58'48"E).

Physical features

Elevation is reported as above sea level, and is described by the Smithsonian Institution as displaying strong fumarolic activity. A stream and village on the west side are named Mainit (a Tagalog word for "hot"). There are hot springs at the village of Mainit, one of which has been successfully commercialised for tourists. There is also a village on the south side called Favarey.

Eruptions

There are no reports of eruptions.

Geology

Rock type is predominantly

andesite Andesite () is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predomina ...

Listings

The

Smithsonian Institution The Smithsonian Institution ( ), or simply the Smithsonian, is a group of museums, Education center, education and Research institute, research centers, created by the Federal government of the United States, U.S. government "for the increase a ...

Global Volcanism Program The Smithsonian Institution's Global Volcanism Program (GVP) documents Earth's volcanoes and their eruptive history during the Quaternary Period of Earth's geologic history, with particular emphasis on volcanic activity during the Holocene Epoc ...

lists Patoc as strongly

. The

Philippine Institute of Volcanology and Seismology The Philippine Institute of Volcanology and Seismology (PHIVOLCS, ; ) is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes, and tsunamis, as well as other specialized information and ...

(PHIVOLCS) has not listed Patoc or any volcanic related activity at this location.

References

External links