Mount Mahawu
Encyclopedia
Mount Mahawu is a stratovolcano
located immediately east from Lokon
-Empung
volcano in North Sulawesi
, Indonesia
. The volcano is capped with 180 m wide and 140 m deep crater
with two pyroclastic cones in the northern flanks. A small explosive eruption was recorded in 1789. In 1994, fumarole
s, mudpot
s and small geyser
s actitivies were observed along the greenish shore of a crater lake
.
Stratovolcano
A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...
located immediately east from Lokon
Mount Lokon
Mount Lokon, together with Mount Empung, is a twin volcano in the northern Sulawesi, Indonesia, roughly south of Manado. Both rise above the Tondano plain and are among active volcanoes of Sulawesi. Mount Lokon has a flat and craterless top....
-Empung
Mount Empung
Mount Empung, together with Mount Lokon, is a twin volcano in the North Sulawesi, Indonesia. Both rise above the Tondano plain and are among active volcanoes of Sulawesi. Mount Empung has a 400 m wide and 150 m deep crater at the summit that erupted in the eighteenth century....
volcano in North Sulawesi
North Sulawesi
North Sulawesi is a province of Indonesia. It is on the island of Sulawesi, and borders the province of Gorontalo to the west . The islands of Sangihe and Talaud form the northern part of the province, which border Davao del Sur in the Philippines.The capital and largest city in North Sulawesi is...
, Indonesia
Indonesia
Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...
. The volcano is capped with 180 m wide and 140 m deep crater
Volcanic crater
A volcanic crater is a circular depression in the ground caused by volcanic activity. It is typically a basin, circular in form within which occurs a vent from which magma erupts as gases, lava, and ejecta. A crater can be of large dimensions, and sometimes of great depth...
with two pyroclastic cones in the northern flanks. A small explosive eruption was recorded in 1789. In 1994, fumarole
Fumarole
A fumarole is an opening in a planet's crust, often in the neighborhood of volcanoes, which emits steam and gases such as carbon dioxide, sulfur dioxide, hydrochloric acid, and hydrogen sulfide. The steam is created when superheated water turns to steam as its pressure drops when it emerges from...
s, mudpot
Mudpot
A mudpot, mud pool or paint pot is a sort of hot spring or fumarole consisting of a pool of usually bubbling mud. The mud is generally of white to greyish color, but is sometimes stained with reddish or pink spots from iron compounds...
s and small geyser
Geyser
A geyser is a spring characterized by intermittent discharge of water ejected turbulently and accompanied by a vapour phase . The word geyser comes from Geysir, the name of an erupting spring at Haukadalur, Iceland; that name, in turn, comes from the Icelandic verb geysa, "to gush", the verb...
s actitivies were observed along the greenish shore of a crater lake
Crater lake
A crater lake is a lake that forms in a volcanic crater or caldera, such as a maar; less commonly and with lower association to the term a lake may form in an impact crater caused by a meteorite. Sometimes lakes which form inside calderas are called caldera lakes, but often this distinction is not...
.