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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: normal or dormant (1 из 5)
White Island Веб-камеры / данные в реальном времени | Reports
White Island volcano books | Tours
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
Latest satellite images

Sentinel hub | Landsat 8
 

Latest news & updates from White Island

White Island volcano (New Zealand): Elevated volcanic unrest continues

Sunday Apr 19, 2020 06:28 AM | АВТОР: MATTHEW

The volcano continues to emit SO2 gas, which is derived from magma at shallow depth beneath the surface and is one of the main indicators of volcanic unrest. Since the last update, there have been no significant changes in SO2 output. Emission rates for other gases were not measured due the lockdown from COVID-19. Seismic activity remains at lower levels and continues to fluctuate over periods of hours or days.

GEONET report that the layout of the active vent areas appears to be mostly unchanged since early March and that there is evidence of high temperatures at night, but no changes in the locations of these heat sources are apparent.

The vent area remains active an eruption could occur with little warning. Conceivable triggers for an eruption remain 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.

If an explosive eruption should occur forming an ash cloud, the likelihood of ash affecting the mainland remains very low. Under suitable weather conditions, the gas and steam plume may be noticed on the mainland as weak acid rain.

“The Volcanic Alert Level remains at Level 2.”
“The Aviation Colour Code remains at Yellow.”

“Volcanic Alert Level 2 indicates moderate to heightened unrest with potential for eruption hazards, including unpredictable and life-threatening steam driven eruptions.”
“The Volcanic Alert Level reflects the current level of volcanic activity and is not a forecast of future activity.”
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ССЫЛКИ / ИСТОЧНИКИ:
  • https://www.geonet.org.nz/vabs/4ROsyE8xKdX4zSEBtqgeNB
Предыдущие новости
Tuesday, Mar 10, 2020
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. ... читать все
Wednesday, Feb 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. ... читать все
Tuesday, Feb 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. ... читать все
Thursday, Jan 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. ... читать все
Saturday, Dec 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. ... читать все

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