In New Zealand,
Volcano Alert Bulletins
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
On Earth, volcanoes are most often found where tectonic plates ar ...
(VABs) are the official source of warnings and alerts including current Volcanic Alert Level (VAL), intended to inform stakeholder agencies, authorities, and the public about emergencies so they can take action.
The
Ministry of Civil Defence & Emergency Management, through
The National Emergency Management Agency is responsible for providing such alerts to warn about natural hazards. A Scientific Alert Level is applied to the Volcano Status based on Indicative Phenomena.
GNS Science
GNS Science ( mi, Te Pū Ao), officially registered as the Institute of Geological and Nuclear Sciences Limited, is a New Zealand Crown Research Institute. It focuses on geology, geophysics (including seismology and volcanology), and nuclear sc ...
operates the national geological hazards monitoring network (GeoNet).
[GeoNet]
Whakaari/White Island - Updates
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Levels
The Volcanic Alert Level system has six levels ranging from 5 (major volcanic eruption) to 0 (no volcanic activity):
Elsewhere
To help prevent harm when living or working on or near a volcano, countries have adopted classifications to describe the various levels and stages of volcanic activity, the two main volcano warning systems being colour codes and/or numeric alert levels. The Sydney Morning Herald
''The Sydney Morning Herald'' (''SMH'') is a daily compact newspaper published in Sydney, New South Wales, Australia, and owned by Nine. Founded in 1831 as the ''Sydney Herald'', the ''Herald'' is the oldest continuously published newspaper ...
Mount Agung volcano alert in Bali downgraded
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The three common popular classifications of volcanoes can be subjective, and some volcanoes thought to have been extinct have erupted again.
]
References
{{reflist
External linksVolcanic Alert Level Summary
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Whakaari/White Island Alert Level
Emergency management in New Zealand
Incident management