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The way dolphins communicate is being studied to create tsunami early-warning systems. They produce click sounds to help navigate and hunt for prey. #30Animals
Tsunamis
Video caption: The way dolphins communicate is being studied to create tsunami early-warning systems 
By Jonathan Amos
Science correspondent
By Jonathan Amos
BBC Science Correspondent
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Video caption: Landslides 'pose tsunami risk to Falklands' Underwater landslides have in the past sent giant waves to the British territory, a new study finds.
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Video caption: Simulation of tsunami heading to Falkland Islands Underwater landslides have in the past sent giant waves to the British territory, a new study finds.
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Video caption: Scientists revise Anak Krakatau tsunami simulation A new seafloor map improves scientists' model for how the volcano collapsed to produce a tsunami.
By Jonathan Amos
BBC Science Correspondent, San Francisco
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Video caption: Scientists run new Anak Krakatau tsunami simulations Images of volcano debris on the ocean floor allow scientists to revise their tsunami calculations
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Video caption: Scientists update Anak Krakatau collapse simulation A new seafloor map improves scientists' models for how the Indonesian volcano collapsed.
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Video caption: Anak Krakatau: Giant blocks litter ocean floor Scientists get their first look at the landslide material that generated December 2018's tsunami.
By David McDaid
BBC Sport in Fukushima
By Matt McGrath
Environment correspondent
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Video caption: Tsunami hazards from volcanoes 'underestimated' The scale of the tsunami hazard from volcanoes that collapse into the sea has been underestimated, according to a new study.
By Jonathan Amos
BBC Science Correspondent
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Video caption: A telephone for grief after the Japanese tsunami Many have come to the "wind phone" after losing family in the tsunami
By Jonathan Amos
BBC Science Correspondent, Vienna
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Video caption: Watch a simulation of the Anak Krakatau tsunami A new model illustrates the tsunami that resulted from December's collapse of Anak Krakatau volcano.
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Video caption: 'There could be other Anak Krakataus' How many volcanoes around the world have the potential to collapse and generate tsunamis?
