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Report on Lopevi (Vanuatu) — 3 May-9 May 2006

Smithsonian / US Geological Survey Weekly Volcanic Activity Report, 3 May-9 May 2006
Managing Editor: Sally Kuhn Sennert

Please cite this report as:

Global Volcanism Program, 2006. Report on Lopevi (Vanuatu). In: Sennert, S K (ed.), Weekly Volcanic Activity Report, 3 May-9 May 2006. Smithsonian Institution and US Geological Survey.

Volcano Profile |  Weekly Report (3 May-9 May 2006)


Lopevi

Vanuatu

16.507°S, 168.346°E; summit elev. 1413 m

All times are local (unless otherwise noted)


Based on information from a pilot report, the Wellington VAAC reported that on 7 May a small ash plume from Lopevi was visible below a height of ~3 km (10,000 ft) a.s.l. and an active lava flow was observed at the volcano.

Geologic Background. The small 7-km-wide conical island of Lopevi, known locally as Vanei Vollohulu, is one of Vanuatu's most active volcanoes. A small summit crater containing a cinder cone is breached to the NW and tops an older cone that is rimmed by the remnant of a larger crater. The basaltic-to-andesitic volcano has been active during historical time at both summit and flank vents, primarily along a NW-SE-trending fissure that cuts across the island, producing moderate explosive eruptions and lava flows that reached the coast. Historical eruptions at the 1413-m-high volcano date back to the mid-19th century. The island was evacuated following major eruptions in 1939 and 1960. The latter eruption, from a NW-flank fissure vent, produced a pyroclastic flow that swept to the sea and a lava flow that formed a new peninsula on the western coast.

Source: Wellington Volcanic Ash Advisory Center (VAAC)