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Mount Iriga

Mount Iriga
  • Mount Asog
  • Mount Sumagang
Mount Asog
Highest point
Elevation1,196 m (3,924 ft)[1]
Prominence1,009 m (3,310 ft)
ListingActive volcanoes in the Philippines
Coordinates13°27′24″N 123°27′24″E / 13.45667°N 123.45667°E / 13.45667; 123.45667[1]
Geography
Mount Iriga is located in Luzon
Mount Iriga
Mount Iriga
Location within Luzon
Mount Iriga is located in Philippines
Mount Iriga
Mount Iriga
Location within Philippines
Map
Country
Philippines
Bicol Region
Camarines Sur
Geology
Rock ageQuaternary
Stratovolcano
Volcanic zoneBicol Volcanic Chain
Last eruption1642

Mount Iriga, also known as Mount Asog or Mount Sumagang[2], is a dormant stratovolcano in the province of Camarines Sur, in the Philippines.

It is a andesitic stratovolcano about a kilometer from Lake Buhi. It rises 1,196 m (3,924 ft) with a base diameter of 10 kilometres (6.2 mi).[1][3]

Mount Iriga, generally known for its phreatic explosions, erupted in 1628 and 1642.[3] After these eruptions, it remained dormant.

It has a large crater at the southeast that formed due to a large flank faliure that caused a debris avalanche that buried several villages 4 kilometers away from the summit.[2]

It is said that its alternative name Mount Asog, was named after a datu of the Agta people, named Asog, who controlled the region.[2] However, some scholars say that "Asog" comes from the Buhinon term for a dog in heat, which is inaasog.[4]

Mount Sumagang, the other name, is said to mean "mountain of the rising sun."[2] Oral literature claims that it comes from the Bicol phrase "agang sumarang" which means "early to rise."[5]

The mountain has several natural springs, which are the source of clean water for its residents and for neighboring towns.[2]

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See also

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References

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  1. 1 2 3 "Iriga". Global Volcanism Program. Smithsonian Institution. Retrieved September 17, 2011.
  2. 1 2 3 4 5 "Topography". Official Website of the City of Iriga. City Government of Iriga. Retrieved September 26, 2026.
  3. 1 2 "Mount Iriga". Philippine Institute of Volcanology and Seismology (PHIVOLCS). Archived from the original on September 1, 2011. Retrieved September 17, 2011.
  4. ↑ "Local Oral Literature". Official Website of the City Government of Iriga. City Government of Iriga. Retrieved September 27, 2026.
  5. ↑ "Local Oral Literature". Official Website of the City Government of Iriga. City Government of Iriga. Retrieved September 27, 2026.
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