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Maroa Volcano

Updated: Apr 18, 2024 23:49 GMT -
Calderas 1156 m / 3,793 ft
New Zealand, -38.42°S / 176.08°E
Current status: normal or dormant (1 out of 5)
Last update: 12 Dec 2021 (Smithsonian / USGS Weekly Volcanic Activity Report)

[smaller] [larger]
Typical eruption style: unspecified
Maroa volcano eruptions: 180 AD (?) 

Latest nearby earthquakes

TimeMag. / DepthDistance / Location
Apr 12, 11:20 pm (Auckland)
2.7

4 km
23 km (14 mi) to the S New Zealand  I FELT IT - 9 reportsInfo
Thursday, April 11, 2024 GMT (1 quake)
Apr 12, 08:20 am (Auckland)
2.7

148 km
20 km (12 mi) to the NW New Zealand
Info
Thursday, April 18, 2024 GMT (1 quake)
Apr 19, 03:30 am (Auckland)
2.6

223 km
25 km (16 mi) to the NW New Zealand
Info
Saturday, April 13, 2024 GMT (1 quake)
Apr 13, 08:52 pm (Auckland)
2.6

164 km
27 km (17 mi) to the E New Zealand
Info
Monday, April 8, 2024 GMT (1 quake)
Apr 8, 05:25 pm (Auckland)
2.5

126 km
9.9 km (6.2 mi) to the SE New Zealand
Info
Wednesday, April 17, 2024 GMT (1 quake)
Apr 17, 10:44 pm (Auckland)
2.4

5 km
25 km (16 mi) to the S New Zealand 1 report
Info

Background

The 16 x 25 km Maroa caldera formed sometime after 230 thousand years ago (ka) in the NE corner of the 30 x 40 km Whakamaru caldera, which is the largest of the Taupo volcanic zone. The Whakamaru caldera partially overlaps with the Taupo caldera on the south and was formed during the eruption of the Whakamaru Group ignimbrites between about 340 and 330 ka. The Maroa caldera was subsequently filled by at least 70 rhyolitic lava domes or flows, mostly erupted along a SW-NE trend. Lesser amounts of basalt were also erupted. The latest dated magmatic eruption took place about 14 ka, when the rhyolitic Puketarata tuff ring and lava domes were formed (Brooker et al., 1993). The Orakeikorako, Ngatamariki, Rotokaua, and Wairakei hydrothermal areas are located within or adjacent to the Whakamaru caldera. Large hydrothermal eruptions have occurred at the Orakeikorako thermal area during the Holocene, the latest immediately prior to the 1800-year-old Taupo eruption.
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Smithsonian / GVP volcano information

Latest satellite images

maroa satellite image sat1maroa satellite image sat2
Wed, 28 Mar 2001, 06:00

Maroa volcano (North Island, New Zealand) - Smithsonian / USGS Weekly Volcanic Activity Report for 28 March-3 April 2001 (New Activity / Unrest)

On 30 March the IGNS reported that a moderate-sized hydrothermal explosion occurred in the Alum Lakes area, Wairakei, knocking over trees and destroying vegetation near the crater. Water levels at several of the Alum Lakes had dropped several weeks before the explosion. ... Read all

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