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Rotorua volcan

Mise à jour: 27 janv.. 2023 01:14 GMT -
Caldera 757 m / 2,484 ft
New Zealand, -38.08°S / 176.27°E
Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 26 mars 2019

Montrer carte interactive
Style éruptif tipique: unspecified
Eruptions du volcan Rotorua: Pleistocene

Derniers séismes proches

HeureMag. / ProfondeurDistance/Lieu
jeudi, 26 janvier 2023 GMT (1 séisme)
27 janv. 2023 05:03 (GMT +13) (26 janv.. 2023 16:03 GMT)
2.5

209 km
39 km (24 mi)
Waikato, 32 km au sud-ouest de Rotorua, Baie de l'Abondance, Nouvelle-Zélande
dimanche, 22 janvier 2023 GMT (2 séismes)
23 janv. 2023 11:15 (GMT +13) (22 janv.. 2023 22:15 GMT)
4.4

182 km
20 km (12 mi)
30 km au sud-est de Tauranga, Baie de l'Abondance, Nouvelle-Zélande
23 janv. 2023 11:15 (GMT +13) (22 janv.. 2023 22:15 GMT)
4.4

182 km
20 km (12 mi)
30 km au sud-est de Tauranga, Baie de l'Abondance, Nouvelle-Zélande

Introduction

The 22-km-wide Rotorua caldera is the NW-most caldera of the Taupo volcanic zone. Rotorua is the only single-event caldera in the Taupo volcanic zone and was formed about 220,000 years ago following eruption of the >340 cu km rhyolitic Mamaku Ignimbrite. Although caldera collapse occurred in a single event, the process was complex and involved multiple collapse blocks. The major city of Rotorua lies at the south end of the lake that fills much of the caldera. Post-collapse eruptive activity, which ceased during the Pleistocene, has been restricted to lava dome extrusion without major explosive activity. The youngest eruptive activity at Rotorua consisted of the eruption of three lava domes less than 25,000 years ago. The major thermal areas of Takeke, Tikitere, Lake Rotokawa, and Rotorua-Whakarewarewa are located within the caldera or outside its rim, and the city of Rotorua lies within and adjacent to active geothermal fields.
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Smithsonian / GVP volcano information

Rotorua Photos




See also: Sentinel hub | Landsat 8 | NASA FIRMS
lun., 28 nov. 2016, 18:05

Rotorua volcano (New Zealand): small hydrothermal lake eruption yesterday

Area near yesterday's steam eruption in Rotorua Lake (image: newshub.co.nz / twitter)
A small steam explosion (hydrothermal eruption) occurred yesterday in Lake Rotorua. A fountain of water was seen ejected to about 30 m. [read more]. ... Read all
mer., 23 nov. 2016, 06:00

Rotorua volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 23 November-29 November 2016 (New Activity / Unrest)

GeoNet reported a small hydrothermal eruption in Lake Rotorua on 28 November, and noted that the occurrence was not unusual. In a news article residents described a geyser that rose 20-30 m above the lake surface. A GNS scientists noted that the last significant steam eruptions in Rotorua occurred about 15 years ago. ... Read all
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