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Indian Ocean

A view from the shores of Palau; near here, the East Asian Sea vanished 10 million years ago
Posted inResearch Spotlights

An Ancient Sea Once Separated the Pacific and Indian Oceans

Sarah Stanley, Science Writer by Sarah Stanley 3 August 201623 January 2023

Seafloor under the hypothesized East Asian Sea vanished 10 million years ago as surrounding plates swallowed it up, according to new reconstructions of plate tectonics in the Philippine Sea region.

Seismic wave velocity structure in deep Earth revealed through seismic tomography.
Posted inResearch Spotlights

Massive Ancient Tectonic Slab Found Below the Indian Ocean

Cody Sullivan by C. Sullivan 1 April 201611 January 2022

Scientists discover a surprisingly positioned tectonic plate, buried below the southern Indian Ocean, that spans the entire mantle.

Posted inResearch Spotlights

An Unprecedented View of Biogeochemistry off India's West Coast

Sarah Stanley, Science Writer by Sarah Stanley 25 February 20162 March 2023

Yearlong study reveals seasonal changes in oxygen levels, nutrient availability, and plankton growth.

Posted inResearch Spotlights

Radar Study Examines Pulsing Tropical Climate

by David Shultz 22 February 201617 August 2022

In the Madden-Julian Oscillation, shear forces caused by air layers slipping and sliding near the equator play a critical role in forming enormous thunderstorms and monsoons.

Posted inResearch Spotlights

New Weather Satellite Captures Sea Surface Temperatures

Sarah Stanley, Science Writer by Sarah Stanley 19 February 20169 February 2022

A new algorithm improves the accuracy of Pacific and Indian Ocean surface temperature measurements by the Japanese geostationary satellite Himawari-8.

Posted inResearch Spotlights

What Triggers Intraseasonal Oscillations in the Indian Ocean?

by Terri Cook 22 January 201612 January 2022

A new modeling study suggests that the triggering of the Madden-Julian Oscillation is dominated by interactions with preceding events.

Posted inResearch Spotlights

Convection Cycles, Atmosphere, and Ocean Work Symbiotically

by L. Strelich 30 November 20157 March 2023

Scientists review studies of the tropical Madden-Julian Oscillation to better frame its role in air-sea interactions.

Posted inResearch Spotlights

Improving Indian Summer Monsoon Prediction

by L. Strelich 20 November 201514 June 2022

A new study analyzes temperature and moisture variations in different layers of the atmosphere to improve forecasting of Indian summer monsoon precipitation patterns.

Posted inResearch Spotlights

Wharton Basin Earthquakes: Evidence for a New Plate Boundary?

by Terri Cook 11 November 20154 February 2022

The largest ever strike-slip earthquake may have occurred on a newly developing boundary between the Indian and Australian plates.

Posted inResearch Spotlights

A Magmatic Seafloor Source at an Ultraslow-Spreading Ridge

Kate Wheeling, freelance science writer by Kate Wheeling 28 September 201516 May 2022

An ultraslow-spreading stretch of the Southwest Indian Ridge is thicker than expected: both tectonic and volcanic processes may be feeding the growing seafloor there.

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Features from AGU Publications

Research Spotlights

Our Ocean’s “Natural Antacids” Act Faster Than We Thought

30 January 202630 January 2026
Editors' Highlights

Visualizing and Hearing the Brittle–Plastic Transition

3 February 20263 February 2026
Editors' Vox

Tsunamis from the Sky

3 February 20263 February 2026
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