Leonard Kniaseff
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Mount Leonard Kniaseff, or simply Leonard Kniaseff (or Leonard Kniazeff), is a
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 ...
between the municipalities of Mabini and Maco in the province of
Davao de Oro Davao de Oro, officially the Province of Davao de Oro ( ceb, Lalawigan sa Davao de Oro; tgl, Lalawigan ng Davao de Oro), is a province in the Philippines located in the Davao Region in Mindanao. Its capital is Nabunturan. It used to be part of t ...
, island of
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 ...
,
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 ...
. It has a diameter
caldera A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcano eruption. When large volumes of magma are erupted over a short time, structural support for the rock above the magma chamber is ...
lake called Lake Leonard. Amacan Thermal Area is located 5 aerial kilometer south-southwest of Lake Leonard. Leonard Kniaseff is one of the active volcanoes in the Philippines, 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 ...
.


Activity

The Leonard Kniaseff Volcano's area has been an object to a geothermal exploration program. Manat thermal area is north of Lake Leonard, solfataras occur around its southwest rim, and active solfataras,
fumaroles A fumarole (or fumerole) is a vent in the surface of the Earth or other rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcani ...
, and
hot springs A hot spring, hydrothermal spring, or geothermal spring is a spring produced by the emergence of geothermally heated groundwater onto the surface of the Earth. The groundwater is heated either by shallow bodies of magma (molten rock) or by circ ...
are found in the Amacan-Gopod thermal area south of the lake. There was a scare in 1995 but PHIVOLCS' investigation at that time did not disclose any unusual activity, and no unusual activity has been reported since then. Its last eruption was dated as early as AD.


See also

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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 ...
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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 ...
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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 ...
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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), Leonard Kniaseff page
Mountains of the Philippines Volcanoes of Mindanao Stratovolcanoes of the Philippines Active volcanoes of the Philippines Landforms of Davao de Oro {{DavaoR-geo-stub