Leonard Kniaseff

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Leonard Kniazeff
Leonard Kniazeff is located in Philippines
Leonard Kniazeff
Leonard Kniazeff
Location of Leonard Kniazeff volcano in the Philippines
Elevation 1,190 m (3,900 ft)[1]
Location Split between the municipalitites of Mabini and Maco, Compostela Valley, Philippines
Coordinates 7°22′54″N 126°2′48″E / 7.38167°N 126.04667°E / 7.38167; 126.04667Coordinates: 7°22′54″N 126°2′48″E / 7.38167°N 126.04667°E / 7.38167; 126.04667[1]
Type Stratovolcano
Volcanic arc/belt Leonard Range
Last eruption 120 AD ± 100 years [1]

Leonard Kniazeff is a stratovolcano between the municipalitites of Mabini and Maco in Compostela Valley Province, Island of Mindanao, Philippines.

It has a 203 km diameter caldera lake called Lake Leonard. Amacan Thermal Area is located 5 cadastral km SSW of Lake Leonard.

Leonard Kniazeff is one of the active volcanoes in the Philippines, part of the Pacific ring of fire.


The Leonard Kniazeff (North Davao) area has been the object of a geothermal exploration program.

Manat thermal area is north of Lake Leonard, solfataras occur around its SW rim, and active solfataras, fumaroles, and hot springs are found in the Amacan-Gopod thermal area south of the lake.

There was a scare in 1995 but PHIVOLCS investigation at the time did not disclose any unusual activity, and no unusual activity has been reported since.

Its last eruption was dated as c.120 AD.[2]

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