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Karioi volcano

Stratovolcano 756 m / 2480 ft
New Zealand, -37.87°S / 174.8°E
Current status: (probably) extinct (0 out of 5) | Reports
Karioi volcano books
Typical eruption style: unspecified
Karioi volcano eruptions: None during the past 10,000 years
Less than 2.58 million years ago (Pleistocene) No recent earthquakes
TimeMag. / DepthDistanceLocation
No recent earthquakes


The eroded Pliocene to lower Pleistocene Karioi stratovolcano lies along the Tasman Sea and is the westernmost volcano of the Alexandra volcanic group. Potassium-Argon (K-Ar) dates for Karioi itself range from 2.92-2.16 million years ago (Ma), but scoria cones, tuff rings and basaltic lava flows primarily on the northern and eastern flanks are in part younger than the youngest K-Ar date of 1.8 Ma (Briggs 1983).
Source: Smithsonian / GVP volcano information

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