Malang Plain is a group of nine ash

cone In geometry, a cone is a three-dimensional figure that tapers smoothly from a flat base (typically a circle) to a point not contained in the base, called the '' apex'' or '' vertex''. A cone is formed by a set of line segments, half-lines ...

maar A maar is a broad, low-relief volcanic crater caused by a phreatomagmatic eruption (an explosion which occurs when groundwater comes into contact with hot lava or magma). A maar characteristically fills with water to form a relatively shallow ...

s and

volcanic plug A volcanic plug, also called a volcanic neck or lava neck, is a volcano, volcanic object created when magma hardens within a Volcanic vent, vent on an active volcano. When present, a plug can cause an extreme build-up of high gas pressure if risi ...

s. It is located around the city of

Malang Malang (; , ), historically known as Tumapel, is an inland List of regencies and cities of Indonesia, city in the Indonesian Provinces of Indonesia, province of East Java. It has a history dating back to the age of the Singhasari, Singhasari K ...

, from southeast to northeast, in

East Java East Java (, , ) is a Provinces of Indonesia, province of Indonesia located in the easternmost third of Java island. It has a land border only with the province of Central Java to the west; the Java Sea and the Indian Ocean border its northern ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

. Some of the cones might be parasitic cones from Tengger caldera complex.

References

Volcanoes of East Java Maars of Indonesia Volcanic plugs of Asia {{EJava-geo-stub

See also

References