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News:
Monday, Apr 29, 2013
Geonet has lowered the alert level of the volcano back to green (normal), following a gradual decline in seismic activity over the past weeks. Degassing remains intense, and after heavy rainfall during the recent past, a lake has been re-established at the main crater.
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White Island volcanostratovolcano 321 m (1,053 ft)
New Zealand, -37.52°S / 177.18°E Current status: dormant (1 out of 5) White Island webcams / live data [hide map] [enlarge map]
Last update: 29 Apr 2013
Typical eruption style: Explosive (in historic time: frequent small phreatic and phreatomagmatic eruptions) 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  White Island Volcano Photos Last earthquakes nearby:
Background:Uninhabited 2 x 2.4 km White Island, one of New Zealand's most active volcanoes, is the emergent summit of a 16 x 18 km submarine volcano in the Bay of Plenty about 50 km offshore of North Island. The 321-m-high island consists of two overlapping andesitic-to-dacitic stratovolcanoes; the summit crater appears to be breached to the SE because the shoreline corresponds to the level of several notches in the SE crater wall. Volckner Rocks, four sea stacks that are remnants of a lava dome, lie 5 km NNE of White Island. Intermittent moderate phreatomagmatic and strombolian eruptions have occurred at White Island throughout the short historical period beginning in 1826, but its activity also forms a prominent part of Maori legends. Formation of many new vents during the 19th and 20th centuries has produced rapid changes in crater floor topography. Collapse of the crater wall in 1914 produced a debris avalanche that buried buildings and workers at a sulfur-mining project.(Source: GVP) White Island Photos:
2012 eruption
A new phase of activity started on 5 August 2012, following an increase in seismic activity since July. The eruption consisted in weak ash emissions from a new vent in the Crater Lake. It is the first ash emission from White Island in 12 years. ...more |
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