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Tonga eruption: How the impact spread so widely

Anxious wait for news after tsunami cuts off Tonga

Tonga families 'praying for their relatives' Video, 00:00:59Tonga families 'praying for their relatives'

Overseas Tongans unable to contact loved ones. Video, 00:02:10Overseas Tongans unable to contact loved ones

Daughter's 'toughest moments' after Tonga tsunami

British woman died in Tonga tsunami, says brother

Tonga volcano British victim's family 'shattered' Video, 00:01:39Tonga volcano British victim's family 'shattered'

Pacific volcano: Science to explain event ferocity

British woman reported missing after Tonga tsunami

Satellites key to understanding Pacific volcano

Tonga communications 'may be down for two weeks'

New Zealand sends flight to assess damage on Tonga

Tsunami hits coasts after Tonga eruption. Video, 00:00:39Tsunami hits coasts after Tonga eruption

Tsunami threat over after Pacific eruption - monitor

Get away from shore - US and Japan warn on tsunami

Giant Tonga eruption caught on satellite images. Video, 00:00:10Giant Tonga eruption caught on satellite images

Science In Action. Can the weather trigger a volcano? Audio, 34 minutesScience In Action

Witness History. The Tsunami and Fukushima. Audio, 9 minutesWitness History

Clock stopped by Japan earthquake restarts decade on

Science In Action. A shooting star parked on your driveway. Audio, 34 minutesScience In Action

How Fukushima's 'triple disaster' unfolded. Video, 00:04:22How Fukushima's 'triple disaster' unfolded

Tsunami alert lifted after quakes rock New Zealand

30 Animals That Made Us Smarter. Dolphin and tsunami detector. Audio, 14 minutes30 Animals That Made Us Smarter