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 ...
on
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
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 ...
and the highest point in
Lanao del Sur
Lanao del Sur ( tl, Timog Lanao; Maranao and ilp, Pagabagatan Ranao), officially the Province of Lanao del Sur, is a province in the Philippines located in the Bangsamoro Autonomous Region in Muslim Mindanao (BARMM). The capital is the city of ...
.
Location
Mount Ragang is located on south of
Lanao del Sur
Lanao del Sur ( tl, Timog Lanao; Maranao and ilp, Pagabagatan Ranao), officially the Province of Lanao del Sur, is a province in the Philippines located in the Bangsamoro Autonomous Region in Muslim Mindanao (BARMM). The capital is the city of ...
in the
Bangsamoro
ar, منطقة بانجسامورو ذاتية الحكم فى مسلمى مينداناو
, native_name =
, settlement_type = Autonomous region
, anthem = Bangsamoro Hymn
, image_skyline ...
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 were those of Ragang.
See also
*
List of mountains in the Philippines
The following is a partial list of mountains in the Philippines. Several of these are List of volcanoes in the Philippines, volcanoes, formed by subduction, subducting tectonic plates surrounding the archipelago.
List
This list contains most ...
*
List of Ultras of the Philippines
This is a list of all the Ultra prominent peaks (with topographic prominence greater than 1,500 meters) in the Philippines.
See also
* List of mountains in the Philippines
Sources
ListMap
{{Geography of the Philippines, state=expanded
*Ultra ...
*
List of Southeast Asian mountains
The following is a list of some of the mountains of Southeast Asia.
List of highest mountains
See also
*List of highest mountains
*List of highest mountains of New Guinea
*List of islands by highest point
*List of ribus (summits in Indonesia w ...
*
List of active volcanoes in the Philippines
This is a list of active volcanoes in the Philippines, as categorized by the Philippine Institute of Volcanology and Seismology (PHIVOLCS). Volcanoes in the country have erupted within the last 600 years, with accounts of these eruptions document ...
*
List of potentially active volcanoes in the Philippines
This is a list of potentially active volcanoes in the Philippines, as classified by the Philippine Institute of Volcanology and Seismology.
List
See also
* List of active volcanoes in the Philippines
* List of inactive volcanoes in th ...
*
List of inactive volcanoes in the Philippines
This is a list of inactive volcanoes in the Philippines. Volcanoes with no record of eruptions are considered as extinct or inactive. Their physical form since their last activity has been altered by agents of weathering and erosion with the for ...
*
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 ...
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