Suoh or Suwoh is an 8 × 16 km wide volcano-tectonic depression in the southern part of Sumatra,

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

. Historical

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 silicic

lava dome In volcanology, a lava dome is a circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. Dome-building eruptions are common, particularly in convergent plate boundary settings. Around 6% of eruption ...

s are found along the Great Sumatran fault line.

Phreatic eruption A phreatic eruption, also called a phreatic explosion, ultravulcanian eruption or steam-blast eruption, occurs when magma heats ground water or surface water. The extreme temperature of the magma (anywhere from ) causes near-instantaneous evapo ...

s occurred during the major 1933 Liwa earthquake,

West Lampung Regency West Lampung Regency is a regency of Lampung Province, Sumatra, Indonesia. Until 2012 it had an area of 4,950.4 km2 of which forests occupied some 57% of the total area (as of 2011). It had a population of 418,560 people at the 2010 census. H ...

Lampung Province Lampung (Lampung: ), officially the Province of Lampung ( id, Provinsi Lampung) is a province of Indonesia. It is located on the southern tip of the island of Sumatra. It has a short border with the province of Bengkulu to the northwest, and ...

References

{{reflist Volcanoes of Sumatra Maars of Indonesia Calderas of Indonesia VEI-4 volcanoes

See also

References