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Report on Gamkonora (Indonesia) — 26 March-1 April 2008


Gamkonora

Smithsonian Institution / US Geological Survey
Weekly Volcanic Activity Report, 26 March-1 April 2008
Managing Editor: Sally Sennert.

Please cite this report as:

Global Volcanism Program, 2008. Report on Gamkonora (Indonesia) (Sennert, S, ed.). Weekly Volcanic Activity Report, 26 March-1 April 2008. Smithsonian Institution and US Geological Survey.

Weekly Report (26 March-1 April 2008)

Gamkonora

Indonesia

1.38°N, 127.53°E; summit elev. 1635 m

All times are local (unless otherwise noted)


CVGHM reported that seismic activity from Gamkonora increased on 24 March. The Alert Level remained at 2 (on a scale of 1-4) and visitors were reminded not to approach or climb the crater.

Geological Summary. The shifting of eruption centers on Gamkonora, the highest peak of Halmahera, has produced an elongated series of summit craters along a N-S trending rift. Youthful-looking lava flows originate near the cones of Gunung Alon and Popolojo, south of Gamkonora. Since its first recorded eruption in the 16th century, typical activity has been small-to-moderate explosive eruptions. Its largest recorded eruption, in 1673, was accompanied by tsunamis that inundated villages.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)