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White Island volcanostratovolcano 321 m (1,053 ft)New Zealand, -37.52°S / 177.18°E White Island volcano eruptions: 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 Typical eruption style: Explosive (in historic time: frequent small phreatic and phreatomagmatic eruptions) White Island webcams / live data Last earthquakes nearby White Island volcano (New Zealand) activity update: continuing small ash emissionsThursday Aug 09, 2012 07:50 AM | BY: T
 Webcam view of the crater of White Island on 9 Aug (GeoNet) GeoNet stresses that it is a small eruption (at least so far), but visitors to the island are at high risk. From the latest GeoNet report: "A vent has been established towards the south-west corner of 1978/90 Crater Complex and is now erupting an ash charged plume. The ash is only rising 2-300 m above the active vent, ie. a weak eruption. The ash is black and is depositing on the wall of the Main Crater to the west of the vent (light easterly wind). The ash from the past 2 days has washed away from the factory area. The active vent has started to build a tuff cone and there are impact craters around it created by ejecta from explosions. There was no sign of impact craters or blocks outside of the 1978/90 Crater area."
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Links / Sources: Previous news
Wednesday, Aug 08, 2012
A new eruption has started from White Island volcano early today. An ash plume is rising to 4-6000 ft (1.3-1.8 km) altitude. The eruption consists of ash venting from a new cone that is beeing built in the Crater Lake, and followed a sharp DECREASE in tremor. ...
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Monday, Aug 06, 2012
White Island volcano has erupted like its web cam captured. Visitors are warned that further and stronger eruptions are possible. The (hydrothermal?) eruptions occour without warning and also the alert level has changed to 2 because of the experiencing signs of elevated unrest above known background levels. There was no ash eruption yet. The alert level has also changed from one to two due to "minor eruptive activity". It follows a code change last week when scientists discovered water levels in Crater Lake rose by about 3m to 5m overnight and the number of tremors had increased. There was a particularly stronger seismic episode recorded Sunday morning, ending in a volcanic earthquake at 4.54am that day. "It's told that it is now at similar levels to before the weekend." ...
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Sunday, Feb 25, 2007
Recent visits to White Island’s Crater Lake, including one on 13 February, have confirmed a continual rise in lake temperature since August 2006 from a normal range of 48-50ºC. In January 2007, the temperature reached over 60ºC. The last temperature measurement was 74ºC, the highest ever recorded in the lake. The increased heat flow caused accelerated evaporation, and the lake level has dropped over 6 m. Steam plumes have been observed over the island. A deformation survey of the crater floor showed no significant changes from recent months. |
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