Ioto volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 October-23 October 2001 (New Activity / Unrest)
On the morning of 19 October a small phreatic eruption was observed at Idogahama, a beach on the NW coast of Iwo-jima. The Japan Maritime Self Defense Force observed a grayish white-colored plume rising to 200-300 m above the beach surface for 2-3 minutes starting at about 0725. A similar plume was observed for 10 minutes starting at 0806.
mer., 17 oct. 2001, 06:0006:00 AM | AUTEUR : VN
Observations during 1602-1715 revealed the crater that formed during the eruption was 10 m long and 2-15 m deep. Water inside the crater was dark colored, contained debris, and gushed approximately every 10 minutes. In addition, a steam plume rose up to 600 m above the surface.
Sources: Volcano Research Center-Earthquake Research Institute (University of Tokyo), Japan Meteorological Agency (JMA)
From: Global Volcanism Program, 2001. Report on Ioto. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 17 October-23 October 2001. Smithsonian Institution and US Geological Survey.
- Informations sur: Iwo-jima volcan