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Reporoa volcano

Caldera 592 m / 1,942 ft
New Zealand, -38.42°S / 176.33°E
Current status: normal or dormant (1 out of 5) | Reports
Reporoa volcano books
Typical eruption style: unspecified
Reporoa volcano eruptions: 1180 (?) 
TimeMag. / DepthDistanceLocation
Mon, 13 Jan 2020
Mon, 13 Jan 18:36 UTCM 1.6 / 4.4 km27 kmNew Zealand
Sat, 11 Jan 2020
Sat, 11 Jan 10:34 UTCM 1.4 / 6.1 km11 kmNew Zealand
Sat, 11 Jan 10:14 UTCM 1.4 / 4.1 km12 kmNew Zealand
Thu, 9 Jan 2020
Thu, 9 Jan 03:28 UTCM 1.9 / 142.2 km15 kmNew Zealand
Thu, 2 Jan 2020
Thu, 2 Jan 08:43 UTCM 1.9 / 148.6 km26 kmNew Zealand
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Background:

The 10 x 15 km wide Reporoa caldera, occupying the Reporoa-Broadlands basin, lies near the western margin of the Taupo volcanic zone SSW of the Okataina volcanic center. Reporoa caldera formed about 230,000 years ago during the eruption of the voluminous ca. 100 cu km Kaingaroa Ignimbrite. Large slump scallops cut the northern caldera rim; on the south the rim is buried by sediments. The Deer Hill rhyolitic lava dome was erupted after caldera collapse on the southern rim; two other rhyolitic domes, Kairuru and Pukekahu, were emplaced within the caldera along a possible ring fault. The active Reporoa hydrothermal field lies within the caldera, and the Waiotapu and Broadlands (Ohaki) hydrothermal fields lie occur north and south of the poorly defined caldera margin. Eruptions within the caldera have not occurred since the late Pleistocene, but large hydrothermal explosions took place from the Waiotapu thermal area immediately to the north at the time of the Kaharoa eruption of neighboring Tarawera volcano about 770 years ago.
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Smithsonian / GVP volcano information


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