Fig. 3From: Influence of hydrothermal recharge on the evolution of eruption styles and hazards during the 2018–2019 activity at Kuchinoerabujima Volcano, JapanSnapshots of the volcanic plumes and PDCs from the monitoring camera located 3 km NW of Shindake operated by Japan Meteorological Agency A–F and distribution of PDCs (G, H). A White volcanic plume during Phase 1. B Colored volcanic plumes during Phase 2. C Colored volcanic plumes during Phase 3. D The explosive activity at 18 December 2018 (Phase 4). The front of the PDC can be recognized at the foot of the eruption column. E Volcanic glow observed by high-sensitivity monitoring camera during the night of 18 December 2018, after a PDC occurred (20:55′19″ JST). F Second PDC occurred on 17 January 2019 (Phase 4). G, H Orange colored area indicates distribution of PDCs on 18 December 2018 G and 17 January 2019 (H)Back to article page