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Iliwerung or Illiwerung is a complex volcano forming a prominent south-facing peninsula on Lembata Island in southern Indonesia.[1] It contains north-south and northwest-southeast trending lines of craters and lava domes, with the summit dome having formed by a VEI-3 eruption in 1870.[1][2]

Iliwerung
Highest point
Elevation	583 m (1,913 ft)
Coordinates	8.532°S 123.573°E / -8.532; 123.573
Geography
Iliwerung Lembata, Indonesia
Geology
Mountain type	Complex volcano
Last eruption	2021

Iliwerung has erupted at least 13 times since 1870, with eruptions having occurred in 1910, 1928, 1948, 1949, 1950, 1951, 1952, 1973-1974, 1976, 1983, 1993, 1999, 2013 and 2021.[2] Eruptions since 1973 have been confined to Hobal, a submarine parasitic vent on Iliwerung's lower east-southeastern flank.[1][2]

Iliwerung lies on the southern rim of the Lerek caldera.[1] A landslide from Iliwerung in 1979 produced 9 m (30 ft) high waves that resulted in more than 500 people killed. In 1983, a tsunami resulting from a submarine eruption caused few deaths.[3]

See also

• List of volcanoes in Indonesia

References

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