Iliwerung Volcano | John Seach


Lembata Island, Indonesia

8.54 S, 123.59 E
summit elevation 1018 m
complex volcano

Iliwerung volcano is located in the south of  Lembata Island, 80 km east of Flores, Indonesia. Craters and lava domes have formed along N-S and NW-SE trend.

2001 Earthquakes
There was an increase in felt earthquakes at between 17-26 October 2001 at Iliwerung volcano.

1993 Eruption
A submarine eruption occurred at Hobal vent, Iliwerung volcano on 16th September 1993. Eruptions produced a column 100 m high. Hobal vent is located at a depth of 50 m, 1 km off the SE cost of Iliwerung volcano.

1983 Eruptions
Submarine eruptions occurred from a vent south of Iliwerung volcano on 17-18 August 1983.

1979 Landslide and Tsunami
A 1979 landslide NW of Iliwerung volcano reached the sea, producing a tsunami which killed hundreds of people.

1973-74 Eruptions
Submarine eruptions between December 1973 and August 1974 created three islands, which subsequently disappeared.

1948 Eruption
During an eruption Iliwerung volcano on 7th May 1948 a nuee ardente, descended to the east coast and killed 300 head of cattle, destroying a hundred cultivated gardens. The eruption partly destroyed the lava-plug of the volcano. On 9th May an eruption occurred at the eastern base of Iliwerung volcano near tile coast (about 140m above sea level). The eruption cloud reached a height of 4km. A 120 m wide crater was formed. Immediately after the explosion of 9th May, lava effused from a new crater. On 11th May the new lava dome had reached a height of 50 metres.

1870 Eruption
Iliwerung summit lava dome was formed during an eruption in 1870.

Further reading
Neumann van Padang, M., 1951. Catalogue of the Active Volcanoes of the World, Including Solfatara Fields, Indonesia.

Iliwerung Volcano Eruptions

1993, 1983, 1976?, 1973-74, 1952, 1951, 1950, 1949, 1948, 1941?, 1928, 1910, 1870.