Articles on ocean floor

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The Byron Scar, left behind by an undersea landslide. Colours indicate depths. Samantha Clarke

Scars left by Australia’s undersea landslides reveal future tsunami potential

The ocean floor off Australia's east coast bears the scars of numerous subsea landslides, which have potentially triggered tsunamis over the past several millennia.
Ocean sediments in South Africa provide evidence of climate variation going back 270,000 years. Rogan Ward/Reuters

Marine sediments unlock secrets about climate change in South Africa

Marine sediments provide evidence of climate variability in South Africa going back 270,000 years. These changes correspond with changes in the archaeological record of the country.

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