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Случайные фотографии
White Island вулкан
ВУЛКАН 321 m / 1,053 ft
New Zealand, -37.52°S / 177.18°E
Текущее состояние: беспокойный (2 из 5)
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White Island Вулкан-извержения:
2019, 2016, 2013, 2012, 2001, 1998-2000, 1998, 1995, 1986-94, 1983-84, 1976-82, 1974, 1971, 1971, 1970, 1969, 1968-69, 1966-67, 1962, 1959, 1958, 1957, 1955, 1947, 1933, 1930, 1928, 1926, 1924, 1922, 1909, 1908 (?), 1886?,1886, 1885 (?), 1885, 1856 (?), 1836, 1826
Типичный извержения стиль:
Explosive (in historic time: frequent small phreatic and phreatomagmatic eruptions)
Последнее землетрясение поблизости
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Latest news & updates from White Island

White Island volcano (New Zealand): the activity continues at elevated levels; flight observations

Вторник мар 10, 2020 10:29 | АВТОР: MARTIN

White steam plume from White Island´s crater today (image: GeoNet)
White steam plume from White Island´s crater today (image: GeoNet)
GeoNet did a flight observations and aerial-based measurements of the volcano in the past two weeks. The most recent gas flight confirms the overall decline in both CO2 and SO2 output since the 9 December 2019 eruption, although latest data shows slightly elevated amounts of gas compared to recent measurements.
Additionally recorded a temperature of 746 °C. This was measured on one of the lava lobes and is the hottest temperature measured to date. Despite these high fumarole temperatures, a small pond of water is present in the Primary Crater formed on 9 December 2019. Small-scale jetting of this pond water is continuing to occur, like the activity seen in September-December 2019.
High temperatures and large amounts of gas are consistent with the continued presence of shallow magma beneath the primary vent area. There are currently no indications for fresh magma arriving from greater depths.
The active vent area remains a rapidly changing environment and an eruption could occur with limited precursory activity. Plausible triggers for an eruption include the collapse of unstable material around the vents, sudden release of gas from the magma, and the rapid ingress of water onto the shallow magma body.
Volcanic Alert Level remains at Level 2.
Source: GeoNet New Zealand volcano activity update 10 March 2020
Предыдущие новости
White steam plume from White Island´s crater today (image: GeoNet)
Среда, фев 19, 2020
GeoNet did a gas flight that confirms the steady decline in both CO2 and SO2 flux since the eruption, albeit at slightly elevated levels. The result from this flight is consistent with recent gas measurements and indicates the continued presence of shallow magma beneath the primary vent area. ... [подробнее]
White steam plume from White Island´s crater today (image: GeoNet)
Вторник, фев 04, 2020
GeoNet did a visual observation and gas flights last week and confirm no further extrusions of lava has occurred. Gas fluxes are lower than two weeks ago but remain elevated. ... [подробнее]
Steam plume rising from White Island (image: GeoNet )
Четверг, янв 09, 2020
GeoNet recorded strong and hot emissions of gases and steam plumes that occured and continue since 9 December, causing a glow that is seen on infrared cameras. Occasional minor ash emissions can be emitted from the active vent due to erosion. ... [подробнее]
Steam plume rising from White Island (image: Geonet webcam)
Суббота, дек 28, 2019
GeoNet reported that during 18-23 December the level of volcanic tremor at the volcano remained low and gas-and-steam plumes were strongly emitted from the new vent area. ... [подробнее]
Seismic trace of the WIZ station on White Island (image: Geonet)
Пятница, дек 13, 2019
No new eruption occurred during the recent phase of intense tremor, which has again declined. However, this could change quickly again and the official Volcanic Alert Level remains at Level 2. [подробнее]

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