Articles on Ocean floor

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The remotely operated vehicle Deep Discoverer captures images of a newly discovered hydrothermal vent field in the western Pacific. NOAA

Curious Kids: How deep is the ocean?

In some places, the ocean is almost 7 miles deep. Scientists exploring the ocean floor have found strange sea creatures, bizarre geologic formations and records of Earth's history.
The submersible Alvin about 8,500 feet down, studying seafloor volcanoes and eruptions. (c) Woods Hole Oceanographic Institution with thanks to Daniel Fornari – WHOI-MISO Facility (www.whoi.edu/miso) and National Science Foundation

Scientist at work: I’m a geologist who’s dived dozens of times to explore submarine volcanoes

When you study volcanoes at mid-ocean ridges, doing fieldwork means becoming an aquanaut – diving thousands of feet to the ocean floor in the submersible Alvin, trading tight quarters for amazing views.
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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