Fonualei volcano (Tonga Islands) - Smithsonian / USGS Weekly Volcanic Activity Report for 3 October-9 October 2001 (New Activity / Unrest)

Wed, 3 Oct 2001, 06:00

06:00 AM | BY: VN

The Laboratoire de Géophysique reported that explosive volcanic activity may have occurred at Fonualei volcano during late September. On 27, 28, and 30 September numerous short T waves were received by the French Polynesian Seismic Network. The preliminary location of the seismicity was determined to be near the Tonga archipelago at 18.18°S (well constrained) and 174°W (not as well constrained).
The hydro-acoustic activity was interpreted to be volcanic and explosive and could not be related to seismic activity at the Tonga Trench. According to the Laboratoire de Géophysique, the hydro-acoustic source could be near Fonualei volcano.

Source: Laboratoire de Géophysique
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From: Global Volcanism Program, 2001. Report on Fonualei. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 3 October-9 October 2001. Smithsonian Institution and US Geological Survey.

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