Volcanos

Roundup of Global Volcanic Activity

Etna (Sicily, Italy): June 16 – Lava effusion and pulsating low lava fountains continued from the New SE crater throughout the night and today. Tremor remains at fluctuating elevated levels but with a now slightly decreasing trend. The lava flows have descended the western slope into the Valle del Bove where they spread into several broad fronts.

June 17 – Activity continues with little changes, at fluctuating and overall slowly decreasing intensity, reflected also by the tremor signal. Last evening, liquid lava spattering from the central vent of the New SE crater occurred at rapid succession reaching heights of 50-150 m and often throwing incandescent material to the upper outer flanks of the cone. Lava flows continued to descend through the channel on the eastern side of the cone and spread into several channels on the upper half of the Valle del Bove wall, but not extending beyond the fronts emplaced during yesterday night. The situation this morning is similar, but the spattering at the summit has decreased.

Shiveluch (Kamchatka): Explosive activity of the volcano continues. Since the larger explosion on 11 June, the volcano has only produced a few smaller explosions and ash emissions. Not much glow is currently visible on clear night-time images, suggesting that extrusive activity of the lava dome is reduced at the moment.

Batu Tara (Sunda Islands, Indonesia): Activity at the volcano is relatively intense at the moment. Several ash plumes rising to 5-7,000 ft (1.5-2.1 km) altitude, originating from stronger-than-normal strombolian explosions, were seen on satellite imagery during the past days.

Kavachi (Solomon Islands): Some intermittent eruptive activity seems to be occurring at the volcano. On 10 June, another spot of discolored water had been visible above the shallow submarine volcano.

Ubinas (Peru): Near-continuous, but light ash emissions interrupted by sporadic explosions continue at the volcano. Two stronger explosions on 12 and 13 June produced ash plumes that rose 2.5-3.5 km above the summit.

Piton de la Fournaise (La Réunion): Seismic activity above normal background levels have been detected under the volcano past week. The prefecture decided to raise the alert level and advises climbers and hikers to avoid the rims and crater walls of Dolomieu crater due to an increased risk of rockfalls and collapses.

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