Report on Makian (Indonesia) — September 1976

Natural Science Event Bulletin, vol. 1, no. 12 (September 1976)
Managing Editor: David Squires.

Makian (Indonesia) Investigation by volcanologists reveal no signs of activity

Please cite this report as:

Global Volcanism Program, 1976. Report on Makian (Indonesia). In: Squires, D (ed.), Natural Science Event Bulletin, 1:12. Smithsonian Institution. http://dx.doi.org/10.5479/si.GVP.NSEB197609-268070.

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Makian

Indonesia

0.32°N, 127.4°E; summit elev. 1357 m

All times are local (unless otherwise noted)


Fears of renewed activity at Makian, which last erupted in 1890, stemmed from earthquakes felt in the area in 1972. Investigations carried out between January 1973 and July 1976 by GSI volcanologists indicated that the earthquakes recorded were of tectonic origin and that the volcano shows no signs of renewed activity.

Geologic Background. Makian volcano forms a 10-km-wide island near the southern end of a chain of volcanic islands off the west coast of Halmahera and has been the source of infrequent, but violent eruptions that have devastated villages on the island. The large 1.5-km-wide summit crater, containing a small lake on the NE side, gives the peak a flat-topped profile. Two prominent valleys extend to the coast from the summit crater on the north and east sides. Four parasitic cones are found on the western flanks. Eruption have been recorded since about 1550; major eruptions in 1646, 1760-61, 1861-62, 1890, and 1988 caused extensive damage and many fatalities.

Information Contacts: G. de Néve, GSI, Bandung.