Cabalian
Encyclopedia
Cabalian Volcano is an active volcano
located in the province
of Southern Leyte
(Region VIII
) in the Philippines
.
(PHIVOLCS) as active with solfataric activity. Radiocarbon dating on a pyroclastic flow
deposit from the volcano estimated that the last eruption was in 1820 +/- 30 years.
The stratovolcano
has an elevation of 945 metres (3,100.4 ft) with a base diameter of 8.5 kilometres (5.3 mi). The predominant rock
type is andesite
. Beside solfataras, other thermal features present are hot springs
located on the east and west flank of the volcano. Mainit Hot Spring in the municipality
of Anahawan
, Southern Leyte has a temperature of 63.4–63.9 °C (146.1–147 F).
This lake is often confused with Lake Danao, which is located near Ormoc City
in Leyte
province.
Volcano
2. Bedrock3. Conduit 4. Base5. Sill6. Dike7. Layers of ash emitted by the volcano8. Flank| 9. Layers of lava emitted by the volcano10. Throat11. Parasitic cone12. Lava flow13. Vent14. Crater15...
located in the province
Provinces of the Philippines
The Provinces of the Philippines are the primary political and administrative divisions of the Philippines. There are 80 provinces at present, further subdivided into component cities and municipalities. The National Capital Region, as well as independent cities, are autonomous from any provincial...
of Southern Leyte
Southern Leyte
Southern Leyte is a province of the Philippines located in the Eastern Visayas region. Maasin City is the capital of the province. Southern Leyte was once a sub-province of Leyte before it was divided from the latter...
(Region VIII
Eastern Visayas
Eastern Visayas is one of the two regions of the Philippines having no land border with another region, MIMAROPA being the other, and is designated as Region VIII...
) in the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...
.
Physical Features
Cabalian is classified by the Philippine Institute of Volcanology and SeismologyPhilippine Institute of Volcanology and Seismology
The Philippine Institute of Volcanology and Seismology is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes and tsunamis, as well as other specialized information and services primarily for the protection of life and property and in...
(PHIVOLCS) as active with solfataric activity. Radiocarbon dating on a pyroclastic flow
Pyroclastic flow
A pyroclastic flow is a fast-moving current of superheated gas and rock , which reaches speeds moving away from a volcano of up to 700 km/h . The flows normally hug the ground and travel downhill, or spread laterally under gravity...
deposit from the volcano estimated that the last eruption was in 1820 +/- 30 years.
The stratovolcano
Stratovolcano
A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...
has an elevation of 945 metres (3,100.4 ft) with a base diameter of 8.5 kilometres (5.3 mi). The predominant rock
Rock (geology)
In geology, rock or stone is a naturally occurring solid aggregate of minerals and/or mineraloids.The Earth's outer solid layer, the lithosphere, is made of rock. In general rocks are of three types, namely, igneous, sedimentary, and metamorphic...
type is andesite
Andesite
Andesite is an extrusive igneous, volcanic rock, of intermediate composition, with aphanitic to porphyritic texture. In a general sense, it is the intermediate type between basalt and dacite. The mineral assemblage is typically dominated by plagioclase plus pyroxene and/or hornblende. Magnetite,...
. Beside solfataras, other thermal features present are hot springs
Hot Springs
Hot Springs may refer to:* Hot Springs, Arkansas** Hot Springs National Park, Arkansas*Hot Springs, California**Hot Springs, Lassen County, California**Hot Springs, Modoc County, California**Hot Springs, Placer County, California...
located on the east and west flank of the volcano. Mainit Hot Spring in the municipality
Municipalities of the Philippines
A municipality is a local government unit in the Philippines. Municipalities are also called towns . They are distinct from cities, which are a different category of local government unit...
of Anahawan
Anahawan, Southern Leyte
Anahawan is a 5th class municipality in the province of Southern Leyte, Philippines. According to the 2000 census, it has a population of 7,209 people in 1,514 households.-Barangays:Anahawan is politically subdivided into 14 barangays.* Amagusan...
, Southern Leyte has a temperature of 63.4–63.9 °C (146.1–147 F).
Cabalian Lake
Cabalian Lake is a 500 m (1,640.4 ft) wide lake that occupies the summit crater of the volcano. The surface elevation of the lake is at 2405 feet (733 m).This lake is often confused with Lake Danao, which is located near Ormoc City
Ormoc City
The City of Ormoc is a 1st class city in the province of Leyte, Philippines. The city's name is derived from ogmok, an old Visayan term for lowland or depressed plain. It is the first non-provincial city of the Philippines. According to the 2007 census, it has a population of 177,524 people...
in Leyte
Leyte
Leyte is a province of the Philippines located in the Eastern Visayas region. Its capital is Tacloban City and occupies the northern three-quarters of the Leyte Island. Leyte is located west of Samar Island, north of Southern Leyte and south of Biliran...
province.
See also
- Active volcanos in the Philippines
- Potentially active volcanos in the Philippines
- Inactive volcanos in the Philippines