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In New Zealand, Volcano Alert Bulletins (VABs) are the official source of warnings and alerts including current Volcanic Alert Level (VAL), [1] intended to inform stakeholder agencies, authorities, and the public about emergencies so they can take action.
The island is New Zealand's most active cone volcano, and has been built up by continuous volcanic activity over the past 150,000 years. [4] The nearest mainland towns are Whakatāne and Tauranga. The island has been in a nearly continuous stage of releasing volcanic gas at least since it was sighted by James Cook in 1769. Whakaari erupted ...
The volcano erupted on 9 December 2019 at 2:11 pm local time (01:11 UTC). [3] The ash plume rose 3.7 kilometres (12,000 ft) into the air. [27]It was initially believed that there were about 100 tourists on or near the island when the eruption took place; later, this figure was revised to 47 people who were on the island at the time. [28]
Survivors of one of New Zealand’s worst natural disasters have described the searing pain of being lashed by burning sand, ash and rocks during a volcanic eruption on Whakaari or White Island in ...
Alert signal in France End of alert signal in France. In France, the population warning is made via air raid siren. This network is called the "Réseau national d'alerte" (RNA). The system is inherited from the air-raid siren network (défense passive) developed before World War II. It consists of about 4,500 electronic or electromechanical ...
The 1995–1996 eruptions of Ruapehu in the North Island of New Zealand left a 7-metre high dam of tephra, consisting of volcanic ash and rock, around the rim of the crater lake. It was realised that as the lake refilled and rose above the level of its normal outlet, the tephra dam would eventually collapse, causing a large lahar.
The Volcanic Alert Level for Taupō Volcano was raised to Volcanic Alert Level 1 (minor volcanic unrest) on 20 September 2022. [33] While no witnessed eruptive event has been recorded from Taupō, there have been seventeen episodes of volcanic unrest since 1872, with the most recent being in 2019 and 2022–2023. [6]
Within the advisory the following information will be provided: the name of the volcano, the country/region, location and summit elevation of the volcano, the source of the information, e.g. satellite or pilot observation, details of the eruption including time of day in UTC and date of the eruption, details of the ash cloud including the ...