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 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 ...
on
Mindanao
Mindanao ( ) is the List of islands of the Philippines, second-largest island in the Philippines, after Luzon, and List of islands by population, seventh-most populous island in the world. Located in the southern region of the archipelago, the ...
island 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 ...
. With an elevation of , it is the seventh highest mountain 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 ...
and the highest point in the
Lanao del Sur
Lanao del Sur (; Meranaw and ; Jawi ''(Batang Arab)'': ), 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 Marawi (th ...
province.
Location
Mount Ragang is located in the southern part of
Lanao del Sur
Lanao del Sur (; Meranaw and ; Jawi ''(Batang Arab)'': ), 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 Marawi (th ...
in the
Bangsamoro
Bangsamoro, officially the Bangsamoro Autonomous Region in Muslim Mindanao (BARMM; ; ), is an autonomous region in the Philippines, located in the southwestern portion of the island of Mindanao.
Replacing the Autonomous Region in Muslim Minda ...
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 tectonic belt of volcanoes and earthquakes.
It is about long and up to about wide, and surrounds most of the Pa ...
.
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, ; ) is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes, and tsunamis, as well as other specialized information 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 an incomplete list of mountains in the Philippines. Several of these are volcanoes, formed by subduction, subducting list of tectonic plates, tectonic plates surrounding the Philippines, archipelago.
List
This list contains ...
*
List of Ultras of the Philippines
*
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 ...
*
List of volcanoes in the Philippines
The Philippines, officially the Republic of the Philippines, is an archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of 7,641 islands, with a total area of roughly 300,000 square kilometers, which ar ...
**
List of active volcanoes in the Philippines
As of 2018, the Philippines has 24 volcanoes listed as Volcano#Active, active by the Philippine Institute of Volcanology and Seismology (PHIVOLCS). Twenty-one of these have had historical eruptions. The three exceptions are Cabalian, which is a ...
**
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
Gallery
See also
* List of active volcanoes in the Philippines
* List of inactive volcan ...
**
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, ; ) is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes, and tsunamis, as well as other specialized information 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