Momotombo volcano is a symmetrical stratovolcano rising as a peninsula above the NW part of Lake Managua, Nicaragua. It is one of the most known volcanoes of the country.
Momotombo is located at the SE end of the Marrabios Range. It consists of the remnant of an older volcano which now forms a somma ridge on the southern part and a young symmetrical cone that is less than 4500 years old and contains a 150 x 250 m wide summit crater. Young lava flows from Momotombo have flown down the NW flank into the 4-km-wide Monte Galán caldera.
There have been frequent small ash eruptions that were reported by explorers in the past century, but the volcano has been dormant for more than 100 years now. At the moment, the activity consists of active high-temperature fumaroles and gas and steam emission.
A major geothermal field is located on the southern flank of the volcano.
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