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White Island update, 17 June 2008 17 June 2008

Posted by admin in activity reports, New Zealand, White Island.
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Gas plume, White Island (GeoNet image)

Following the recent 5.4M earthquake in the Bay of Plenty the volcanologists at GeoNet warned that there was a danger of some kind of response from the volcano and suggested that people keep their distance (see our earlier post). The volcano has shown no sign of unusual activity, however, according to today’s cautious new bulletin from GeoNet:

White Island is an active volcano and eruptions can occur at any time without warning. As a consequence of this earthquake sequence the eruption hazard at the island may have increased above the normal levels. However as we have not recorded any significant changes over the last few days, it would appear the volcano is returning to a normal quiescent state. Normal cautions should be applied when visiting the volcano.

The advice seems to be that visits can resume, with the normal precautions. The alert level for White Island remains at 1: ‘there is no significant change in volcanic activity on the island’.

(Picture: Gas plume, White Island. GeoNet image.)

For all our New Zealand coverage: New Zealand << The Volcanism Blog

Information
Global Volcanism Program: White Island – summary information for White Island (0401-04=)
GeoNet – White Island – GeoNet’s information and current activity page for White Island

The Volcanism Blog

White Island, New Zealand: warning issued after quake 13 June 2008

Posted by admin in activity reports, New Zealand, White Island.
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White Island (GeoNet image)

White Island, situated 48km offshore of North Island in the Bay of Plenty, is formed by the summit of a submarine volcano and is one of New Zealand’s most active volcanic centres. Visitors have been warned by GeoNet to keep away from the island for the next 48-72 hours following a 5.4M earthquake at 09:06 local time today. The epicentre was 10km south-west of White Island, and the depth of the quake was 5km. The earthquake was widely felt around the Bay of Plenty.

‘This morning’s earthquake was a tectonic-type earthquake, and these are common in the outer Bay of Plenty’, says the GeoNet report on the event. ‘There has been no immediate response from the volcano though the large number of aftershocks means that any seismic response may be difficult to see for several hours’. The alert level for White Island remains at level 1.

(Picture: White Island. GeoNet image.)

For all our New Zealand coverage: New Zealand << The Volcanism Blog

Information
Global Volcanism Program: White Island – summary information for White Island (0401-04=)
GeoNet – White Island – GeoNet’s information and current activity page for White Island

News
Scientists warn tourists off White Island volcano – Stuff.co.nz, 13 June 2008
Volcano warning after earthquakeMelbourne Herald-Sun, 13 June 2008
White Island visits suspended following quake – Radio New Zealand, 13 June 2008

The Volcanism Blog