Maroa volcano

Updated: Jul 6, 2022 02:01 GMT - Refresh
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)

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Typical eruption style: unspecified
Maroa volcano eruptions: 180 AD (?) 
Lastest nearby earthquakes:
TimeMag. / DepthDistance/Location
Monday, July 4, 2022 GMT (1 quake)
Jul 4, 2022 10:48 pm (GMT +12) (Jul 4, 2022 10:48 GMT)
2.7

249 km
40 km (25 mi)
61 km southeast of Hamilton, Waikato, New Zealand
Friday, July 1, 2022 GMT (1 quake)
Jul 2, 2022 12:41 am (GMT +12) (Jul 1, 2022 12:41 GMT)
2.4

90 km
46 km (29 mi)
32 km west of Taupo, Waikato, New Zealand
Wednesday, June 29, 2022 GMT (2 quakes)
Jun 30, 2022 6:31 am (GMT +12) (Jun 29, 2022 18:31 GMT)
2.5

117 km
42 km (26 mi)
33 km west of Taupo, Waikato, New Zealand
Jun 30, 2022 1:43 am (GMT +12) (Jun 29, 2022 13:43 GMT)
2.4

127 km
30 km (19 mi)
Waikato, 61 km north of North Island, New Zealand
Thursday, June 23, 2022 GMT (1 quake)
Jun 23, 2022 11:44 pm (GMT +12) (Jun 23, 2022 11:44 GMT)
2.2

136 km
39 km (24 mi)
34 km west of Taupo, Waikato, New Zealand

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


See also: Sentinel hub | Landsat 8 | NASA FIRMS
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