BLOG – The Ancient Super Volcano Beneath Victoria Harbour


A ‘new’ supervolcano has been discovered below Victoria Harbour – though, fear not, as it last erupted and fell into the ocean 140 million years ago. Photos below by Bobby Yip of Reuters (via National Geographic)…

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Hong Kong’s Geotechnical Engineering and Development Department identified the 11-mile (1km) wide caldera late last month…

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The Ninepin Group (or Kwo Chau) group of islands form part of the volcano’s remaining hardened lava, much of which is below sea level. A local geologist insisted that the biggest risk to tourists is trying to visit the rocky islands by boat…

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Hexagonal rocks formed in rapidly hardening and cooling lava flows…

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The same process produces hexagonal lava columns – some with 7 sides, some as few as 3…

Map of the area…

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Gov’t video release…


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