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seafloor

seismometer deployment offshore New Zealand
Posted inNews

Undersea Data Tie Slow Fault Slip to Tsunami-Causing Quakes

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 6 May 201623 January 2023

Slow events might help scientists better understand when and why tsunami-generating earthquakes occur.

Diverse chemosynthetic communities thrive on undersea asphalt volcanoes that form above natural oil reservoirs deep below the seabed.
Posted inNews

Asphalt Volcanoes Erupt in Slow Motion

by Lauren Lipuma 15 March 201625 March 2024

Natural asphalt seeps on the ocean floor provide a stable home for diverse marine life that sequesters greenhouse gases.

Posted inResearch Spotlights

Deep-Sea Microbes Can Leave Records of the Past

Cody Sullivan by C. Sullivan 9 February 201614 March 2023

Researchers use carbon signatures within sea sediments to identify microbial activity and also to date earthquakes.

Posted inResearch Spotlights

Simulating Tidal Flow and Mixing at Steep Submarine Slopes

Sarah Stanley, Science Writer by Sarah Stanley 21 January 20168 February 2023

A new three-dimensional model of tide-driven flow over the continental slope could enhance understanding of global ocean circulation.

Posted inScience Updates

Sounding the Northern Seas

by S. L. Danielson, E. L. Dobbins, M. Jakobsson, M. A. Johnson, T. J. Weingartner, W. J. Williams and Y. Zarayskaya 29 December 201514 January 2022

A new compilation of underwater terrain provides the most up-to-date mapping of portions of the western Arctic and North Pacific.

Posted inNews

Microbes Make a Quick Meal of Methane in a Submarine Canyon

Sarah Stanley, Science Writer by Sarah Stanley 28 December 20153 March 2023

Scientists track the fate of methane released by hydrates in a major canyon off the U.S. East Coast.

Posted inNews

Autonomous Undersea Technologies to Vie for New XPRIZE

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 14 December 201531 March 2022

The competition aims at improved health and understanding of Earth's oceans by spurring teams to devise better robotic technologies for seafloor mapping and exploration.

Posted inNews

Antarctic Sediment Plume Disrupts Deep-Water Community

by S. Kelleher 1 December 201514 December 2022

Increased sedimentation from a melting glacier inhibits filter feeders in an Antarctic fjord.

Posted inResearch Spotlights

Rising Temperatures Release Methane Locked in the Seabed

by L. Strelich 12 November 201531 July 2023

New research shows that when ice in the seafloor melts, single-cell organisms metabolize the methane released, preventing the greenhouse gas from reaching the atmosphere.

Posted inNews

Researchers Track Underwater Avalanches Like Never Before

Cody Sullivan by C. Sullivan 3 November 201521 February 2023

Using beach ball–like detectors, researchers set out to determine how sediments, which could contain toxic contaminants, travel through submarine canyons to greater depths.

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