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Kikai volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 30 October-5 November 2019 (New Activity / Unrest)

Ср, 30 окт 2019, 06:00
06:00 AM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
An eruption at Satsuma Iwo-jima, a subaerial part of Kikai's NW caldera rim, was detected at 1735 on 2 November, prompting JMA to raise the Alert Level to 2 (on a 5-level scale). A grayish-white plume rose 1 km above the Iodake crater rim. The report noted that the number of volcanic earthquakes has been low, with no variations before or after the event.
The next day during an overflight conducted by the Coast Guard and the Japan Meteorological Agency Mobile Survey Team (JMA-MOT) observers noted no changes to the geothermal field and no new deposits from the event the day before. Views of the crater were obscured by white plumes rising 300 m above the crater rim.

Source: Japan Meteorological Agency (JMA)
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From: Global Volcanism Program, 2019. Report on Kikai. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 30 October-5 November 2019. Smithsonian Institution and US Geological Survey.

Предыдущие новости

Wed, 25 Apr 2018, 06:00

Kikai volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 25 April-1 May 2018 (Continuing Activity)

JMA reported that the number of volcanic earthquakes at Satsuma Iwo-jima, a subaerial part of Kikai's NW caldera rim, was low during 20-26 April. White plumes rose as high as 700 m above the Iwo-dake lava dome; incandescence from the crater had not been visible since 12 April. During field surveys on 25 and 26 April observers noted a slight expansion of a thermally anomalous area compared to 24-25 March observations, and a decrease in sulfur dioxide flux from 600 tons/day on 24 March to 300 tons/day. ... Read all
Wed, 28 Mar 2018, 06:00

Kikai volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 28 March-3 April 2018 (New Activity / Unrest)

JMA reported that the number of volcanic earthquakes at Satsuma Iwo-jima, a subaerial part of Kikai's NW caldera rim, was low during 27 March-2 April after an increase recorded during 22-23 March. White plumes rose as high as 1.8 km above the Iwo-dake lava dome. Incandescence from the crater was visible at night during 27-28 March. ... Read all
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Kikai вулкан
Кальдера 704 m / 2,310 ft
Острова Рюкю (Япония), 30.79°N / 130.31°E
Текущее состояние: беспокойный (2 из 5) Kikai Вулкан-извержения:
2020, 2019, 2013, 2004, 2003, 2002, 2000-01, 2000, 1998-99, 1997, 1988, 1934-35, 1914 (?)
radiocarbon / tephrochronology dated: 1430 ± 75 years, 1340 ± 30, 1030 ± 40, 1010 ± 40, 750 AD (?), 390 AD ± 100, 280 BC ± 75, 1090 BC ± 100, 1830 BC ± 75, 2450 BC ± 1000, 3250 BC ± 75, 3250 BC ± 75
around 4350 BC: VEI 7 caldera-forming eruption, one of the largest on earth in 10,000 years, producing the Akahoya tephra
Типичный извержения стиль
explosive
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