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Talakmau (also known as Talamau) is a massive compound volcano rising above the western coastal plain of Sumatra. The andesitic-dacitic volcano is constructed along a NE-SW line, rising to 2912 m, more than 700 m above its twin volcano Pasaman to the SW, which has its own adventive cone, Bukit Nilam, lying 3.4 km to the SW. Three craters along the same NE-SW trend occur at the summit of Talakmau; the NE-most and highest crater is filled by a lava dome. Reports of historical eruptions, including one with rumblings and "smoke" emission in 1937, are considered doubtful, but eruptive activity has occurred during the Holocene.
Summary of Holocene eruption dates and Volcanic Explosivity Indices (VEI).
|Start Date||Stop Date||Eruption Certainty||VEI||Evidence||Activity Area or Unit|
|[ 1937 Sep 8 ]||[ Unknown ]||Uncertain||1|
This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.
|Talamau | Ophir|
|Feature Name||Feature Type||Elevation||Latitude||Longitude|
|Nilam, Mount||Cone||1241 m|
|Gunung Talakmau, a massive compound volcano rising above the western coastal plain of Sumatra, is seen here from the NE. The volcano was constructed along a NE-SW line and rises to 2912 m, more than 700 m above its twin volcano Pasaman to the SW. The NE-most and highest of three craters at the summit of Talakmau (left center) is filled by a lava dome.
Anonymous photo, 1991.
The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title.
Hantke G, 1939a. Ubersicht uber die Vulkanische Tatigkeit vom Januar 1937 bis Marz 1938. Zeit Deut Geol Ges, 91: 160-168.
IAVCEI, 1973-80. Post-Miocene Volcanoes of the World. IAVCEI Data Sheets, Rome: Internatl Assoc Volc Chemistry Earth's Interior..
Katsui Y (ed), 1971. List of the World Active Volcanoes. Volc Soc Japan draft ms, (limited circulation), 160 p.
Neumann van Padang M, 1951. Indonesia. Catalog of Active Volcanoes of the World and Solfatara Fields, Rome: IAVCEI, 1: 1-271.
Rock N M S, Aldiss D T, Aspden J A, Clarke M C G, Djunuddin A, Kartawa W, Miswar S J, Thompson R, Whandoyo, 1983. Geologic map of the Lubuksikaping quadrangle, Sumatra. Geol Res Devel Centre Indonesia, 1:250,000 map and 60 p text.