Rotorua volcano

Caldera 757 m / 2,484 ft
New Zealand, -38.08°S / 176.27°E
Current status: normal or dormant (1 out of 5)
Last update: 26 Mar 2019

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Typical eruption style: unspecified
Rotorua volcano eruptions: Pleistocene

TimeMag. / DepthDistance/Location
Friday, October 22, 2021 05:23 GMT (1 earthquake)
Oct 22, 2021 6:23 pm (GMT +13) (Oct 22, 2021 05:23 GMT)
3.1

236 km
42 km (26 mi)
South Waikato District, 51 km east of Hamilton, Waikato, New Zealand
Wednesday, October 20, 2021 10:52 GMT (1 earthquake)
Oct 20, 2021 11:52 pm (GMT +13) (Oct 20, 2021 10:52 GMT)
3.6

132 km
17 km (10.6 mi)
North Island, Bay of Plenty, New Zealand
Friday, October 15, 2021 00:34 GMT (1 earthquake)
Oct 15, 2021 1:34 pm (GMT +13) (Oct 15, 2021 00:34 GMT)
3.1

137 km
47 km (29 mi)
South Waikato District, Waikato, New Zealand
Thursday, October 14, 2021 19:29 GMT (1 earthquake)
Oct 15, 2021 8:29 am (GMT +13) (Oct 14, 2021 19:29 GMT)
3.8

182 km
43 km (27 mi)
South Waikato District, Waikato, New Zealand

Background

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

Mudpool in Rotorua, North island, New Zealand (Photo: Janka)
Mudpool in Rotorua, North island, New Zealand (Photo: Janka)
Hot spring in Waimungu Volcanic Valley, one of Rotorua volcano's most known tourist attractions, NZ (Photo: Richard Arculus)
Hot spring in Waimungu Volcanic Valley, one of Rotorua volcano's most known tourist attractions, NZ (Photo: Richard Arculus)
 



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