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Biliran (volcano)

Coordinates: 11°39′00″N 124°32′06″E / 11.65°N 124.535°E / 11.65; 124.535
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Mount Biliran
Biliran
Highest point
Elevation1,340 m (4,400 ft)[1]
Prominence199 m (653 ft)
Coordinates11°39′00″N 124°32′06″E / 11.65°N 124.535°E / 11.65; 124.535[1]
Geography
LocationBiliran province, Eastern Visayas region, Visayas island group, Philippines
Geology
Age of rockQuaternary[1]
Mountain typeComplex volcano
Last eruptionSeptember 26, 1939[1]

Mount Biliran is a solfataric active complex volcano located in the island province of Biliran in the Philippines. The volcano caused the formation of the island.

Geological features

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  • Rock Type: Hornblende andesite containing greenish and black hornblende
  • Tectonic Setting: Biliran Volcano is part of the curvilinear belt of Quaternary volcanoes in eastern Philippines, parallel to Phil. Trench to the east

Volcanic activity

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  • Number of Historical Eruptions: 1
  • Latest Eruption/Activity: September 26, 1939
  • Site: crater
  • Eruption Character: Debris avalanche
  • Affected Areas/Remarks: Ashfall at Caibiran and adjoining areas (6.35 cm thick deposits)
  • Monitoring activity: Short-term monitoring in 1954

Physical features

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  • Hotsprings:
    1. Central Biliran – Libtong Thermal Areas (12 hot springs and one bubbling pool)
    2. North Biliran – Panamao Thermal Area
    3. Anas Thermal Area
    4. South Biliran – Kalambis Thermal Area
  • Adjacent Volcanic Edifice:
    1. Panamao (107 m asl)
    2. Gumansan (1064 m asl)
    3. Lauan (1187 m asl)
    4. Suiro (1301 m asl)

See also

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References

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  1. ^ a b c d "Biliran". Philippine Institute of Volcanology and Seismology. Retrieved November 18, 2015.
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