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White Island volcano (New Zealand): emitting ash emissions, geysering activity formed mud pit crater

Чт, 24 фев 2022, 02:25
02:25 AM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: MARTIN
The activity at White Island volcano (image: GeoNet)
The activity at White Island volcano (image: GeoNet)
On 17 February, the GeoNet volcanologists did an observation flight over the volcano.
Emissions of water vapor, gases and small amount of brown ash have continued to discharge from the 2019 vent area and have been avoiding the Main Crater wall.
The recent geyser activity built a shallow, mud-filled pit crater as small steam-laden explosions were ejecting mud and formed a small dark-grey cone around the vent.
FLIR thermal InfraRed data revealed that high temperatures continue in the gas and steam feeding the active vent. A maximum temperature of 435 °C was measured during the flight. A temperature of 172 °C was recorded from a different vent in the 2019 area. The water level of the lake has receded slightly in the past few weeks.
Volcanic Alert Level remains at level 2 and the Aviation Colour Code remains at Yellow.
Source: GeoNet New Zealand volcano activity update 23 February 2022

Video footage of continuous ash and gas emissions at White Island's 2019 active vent (source: Brad Scott)

Предыдущие новости

Wed, 16 Feb 2022, 12:45

Whakaari/White Island volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 9 February-15 February 2022 (Continuing Activity)

On 15 February GeoNet reported that technicians recently repaired and upgraded equipment, improving the transmission of seismic and webcam data from Whakaari/White Island. The report noted that minor ash emissions from the active vents continued to be seen in webcam images. The lake had deepened due to recent wet weather conditions and mud geysering from one of the main craters was visible; mud geysering was common at the volcano during periods when the lake water was higher. ... Read all
Wed, 16 Feb 2022, 03:54

White Island volcano (New Zealand): volcanic unrest continues, emitting ash emissions and geysering

Ash and gas emissions continue from the vent (image: GeoNet)
The GeoNet volcanologists undertook maintenance to improve the transmission of the seismic data and webcam images. ... Read all
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White Island вулкан
ВУЛКАН 321 m / 1,053 ft
Новая Зеландия, -37.52°S / 177.18°E
Текущее состояние: незначительные действия или извержения предупреждение (3 из 5) 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)

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