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Id:
ZLV/OKA-001
Class
Volcano
Description
":Ōkataina Caldera (Ōkataina Volcanic Centre, also spelled Okataina) is a volcanic caldera and its associated volcanoes located in Taupō Volcanic Zone of New Zealand's North Island." "The caldera has seen six eruptions in the past 10,000 years, most recently the 1886 Mount Tarawera eruption in the caldera's southeastern corner. The caldera contains two major lava dome complexes, the Haroharo vent alignment in the north and Tarawera vent alignment in the south. These two vent alignments are associated with current subsidence in the last 20 years of about 1.5 cm/year (0.59 in/year) which is assumed to be because of mainly cooling and contraction of previous magma melt. Other volcanoes connected with the caldera include Putauaki (Mount Edgecumbe) and the maar crater of Lake Rotokawau which is most likely to have formed from a basaltic dike extrusion associated with the common magma mush body."
Radius of Activation Zone
Within 4.0km, or within sight
Public access to AZ
Via park(s): Crater Block Crown Land; Lake Tarawera Scenic Reserve
Field Name
Okataina Volcanic Centre
Height
986
Date Range
0.0 years ago to 625.0k years ago
Eon
Phanerozoic
Era
Cenozoic
Period
Quaternary
Epoch
Pleistocene
Lies within
District
Iwi
Tūhoe country
Location
NZTM2000: 1906887, 5762893 (alt: 986m)
Maidenhead
RF81gs
Active?
Yes
Valid for NZART awards?
No
Valid From
1900-01-01

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Summits
[ZL1/BP-036] Ruawahia Dome

Humps
[ZL1/HBP-026] Wahanga Dome

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