Mount Ragang, also called Mount Piapayungan and Blue Mountain by the local people, is an active

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

Mindanao Mindanao ( ) ( Jawi: مينداناو) is the second-largest island in the Philippines, after Luzon, and seventh-most populous island in the world. Located in the southern region of the archipelago, the island is part of an island group of ...

island in the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

. With an elevation of , it is the seventh highest mountain in the

and the highest point in Lanao del Sur.

Location

Mount Ragang is located on south of Lanao del Sur in the Bangsamoro autonomous region.

Physical features

Ragang has an elevation of and a base diameter of . It is the most active volcano on Mindanao, and is part of a string of volcanoes in what

volcanologist A volcanologist, or volcano scientist, is a geologist who focuses on understanding the formation and eruptive activity of volcanoes. Volcanologists frequently visit volcanoes, sometimes active ones, to observe and monitor volcanic eruptions, col ...

s call the Central Mindanao Arc. It is one of the active volcanoes in the Philippines, which are all part of the

Pacific ring of fire The Ring of Fire (also known as the Pacific Ring of Fire, the Rim of Fire, the Girdle of Fire or the Circum-Pacific belt) is a region around much of the rim of the Pacific Ocean where many Types of volcanic eruptions, volcanic eruptions and ...

Eruptions

There is still some confusion on the number of times Ragang has erupted. The

Philippine Institute of Volcanology and Seismology The Philippine Institute of Volcanology and Seismology (PHIVOLCS, ; tl, Surian ng Pilipinas sa Bulkanolohiya at Sismolohiya) is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes, and ...

lists eight eruptions, with the last one occurring in July 1916. However, the Smithsonian Institution's Global Volcanology Programs, citing the ''Catalog of Active Volcanoes of the World'' (Neumann van Padang, 1953), suggests that some eruptions attributed to nearby

Makaturing Mount Makaturing, also known locally as Palaw a Magatoring, is a stratovolcano on Mindanao island in the Philippines. It is found in the province of Lanao del Sur (particularly in the town of Butig) in the Bangsamoro Autonomous Region in Muslim ...

were those of Ragang.

References

External links

Philippine Institute of Volcanology and Seismology (PHIVOLCS) Ragang Volcano Page

"Mount Piapayungan, Philippines" on Peakbagger
{{DEFAULTSORT:Ragang Mountains of the Philippines Stratovolcanoes of the Philippines Subduction volcanoes Volcanoes of Mindanao Landforms of Lanao del Sur Active volcanoes of the Philippines Holocene stratovolcanoes

Location

Physical features

Eruptions

See also

References

External links