On 15 January the Hunga-Tonga-Hunga Ha’apai volcano inTonga in the South Pacific erupted so violently it blew its island apart, leaving just two small stumps protruding from the ocean. It caused ash falls and a tsunami that wrecked many ofTonga’s other islands, cut the country off from the rest of the world for several days and caused a sonic boom that was heard round the world. This reached New Zealand, 2,000 km (1,200 miles) away, two hours after the blast, while several hours
SHOCKWAVES AND AWE
Feb 24, 2022
3 minutes
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