| Mount Mandalagan | |
|---|---|
.svg)  Mount Mandalagan Location of Mount Mandalagan in the Philippines | |
 | |
| Highest point | |
| Elevation | 1,885 m (6,184 ft)[1] |
| Prominence | 1,340 m (4,400 ft) |
| Listing | Ribu |
| Coordinates | 10°39′N123°15′E / 10.65°N 123.25°E /10.65; 123.25 |
| Geography | |
| Location | Philippines |
| Geology | |
| Rock age | unknown |
| Mountain type | Stratovolcano |
| Last eruption | Unknown |
Mount Mandalagan is acomplex volcano located at latitude 10.65° North (10°39'0"N), longitude 123.25° East (123°15'0"E), in theprovince ofNegros Occidental, on the north of the island ofNegros of thePhilippines. It is located inside theNorthern Negros Natural Park.
Mandalagan is asolfataric,fumarolic, potentially activestratovolcano.Mandalagan is also known asNahigda nga Babayi or Lying Women for the Bacolodnons and Negrenses.
Elevation is 1885 metres (6,184 feet), with a base diameter of 26 kilometres.
Mandalagan is a deeply dissectedcomplex volcano, with a highly alteredvolcanic dome.
Volcanic activity is reported to include seven volcanic centres, at least fivecraters and/orcalderas up to 2 km in diameter, and a vigorous solfataric area at the highly alteredvolcanic dome structure.
One solfataric area emits a high-temperature (106 degrees C) plume to 30 m height with a roaring noise like a high-pressure geothermal borehole.
The Smithsonian listing has a satellite photograph of the general area.
Mandalagan is part of the Negros Volcanic Belt.
Rock type is principally andesitic with some dacitic
A crater located near the center called "Tinagong Dagat", where hikers camp.
The most recent eruption produced a thin basaltic lava flow, but it is not known when this is likely to have occurred.
Philippine Institute of Volcanology and Seismology (PHIVOLCS) lists Mandalagan as potentially active.
The Smithsonian Global Volcanism Program lists Mandalagan as fumarolic.
