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Earth of fire

Actualité volcanique, Articles de fond sur étude de volcan, tectonique, récits et photos de voyage

Publié le par Bernard Duyck
Publié dans : #volcanic activity
Kuchinoerabujima - image of the last eruption on 29.05.2015 - Courtesy of Kyodo photo News and The Japan Times / GVP

Kuchinoerabujima - image of the last eruption on 29.05.2015 - Courtesy of Kyodo photo News and The Japan Times / GVP

Kuchinoerabujima - 23.10.2018 / 12h08 local time - webcam JMA

Kuchinoerabujima - 23.10.2018 / 12h08 local time - webcam JMA

According to a field visit of the Kuchinoerabujima meteorological observatory on 23.10.2018, relayed by MBC News, an eruption would be underway on the island of Kuchinoerabujima in the south of the Japanese archipelago.

An eruption was observed on October 22 at 15:00 local and continues on October 23 at 3:30; it is accompanied by a plume of 800 meters above the crater.

The volcano is still alert level 3. The weather observatory calls for vigilance because of risks of pyroclastic flows within a radius of 2 km. around the Shintake crater, responsible for historical eruptions.

Sources: NBC News and Gloval Volcanism Program

Sabancaya - activity from 15 to 21.10.2018 - Doc. IG Peru, OVI, Ingemmet

Sabancaya - activity from 15 to 21.10.2018 - Doc. IG Peru, OVI, Ingemmet

Sabancaya's activity remained moderate in the week of October 15 to 21, 2018, with an average of 23 explosions per day, accompanied by ash and gas plumes up to 3,000 meters above the crater, scattered over 40 km to the east and west.

The flow of sulfur dioxide remains high, with a peak value of 2,200 tonnes / day on 19 October.

Mirova detected 5 thermal anomalies with values ​​between 4 and 14 MW over the period.

Sources: IG Peru, OVI, Ingemmet

Anak Krakatau - image Sentinel 2 image bands 12,11,4 from 22.10.2018 - one click to enlarge

Anak Krakatau - image Sentinel 2 image bands 12,11,4 from 22.10.2018 - one click to enlarge

Anak Krakatau - seismicity at 22.10.2018 - Doc.Magma Indonesia

Anak Krakatau - seismicity at 22.10.2018 - Doc.Magma Indonesia

In Krakatau, in activity level 2 / Waspada, the activity continues, characterized by successive explosions, visible on the Sentinel 2 image of October 22 by a train of emissions of ashes, and incandescence in level of the crater and a lava flow.

A tremor of dominant amplitude at 10 mm is reported by the PVMBG.

The Vona remains orange.

Sources: PVMBG and Sentinel 2

Piton de La Fournaise - 22.10.2018 / 14h02 - strong outgassing due to weather conditions - IRT / OVPF webcam

Piton de La Fournaise - 22.10.2018 / 14h02 - strong outgassing due to weather conditions - IRT / OVPF webcam

At Piton de La Fournaise, the intensity of the tremor remains stable. No field reconnaissance was possible due to an execrable weather October 21 and 22 on the island of Reunion.

A strong degassing is visible on webcams because of heavy rains on the volcano.

Sources : OVPF and weather sources Réunion

Reunion Island - precipitation report in mm / hour for the 22/10/2018 - Reunion Weather

Reunion Island - precipitation report in mm / hour for the 22/10/2018 - Reunion Weather

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