Although most of Earth’s lava erupts beneath the oceans, submarine volcanoes are comparatively understudied, but a new review of submarine volcano seismoacoustics provides a framework for future work.
Oceans
Posted inNews
Laser Flashes Shed Light on a Changing Arctic
An ongoing project in northern Alaska is using pulses of laser light to monitor anthropogenic activity, ice quakes, and marine wildlife.
Posted inAGU News
Anthony Brian Watts Receives 2020 Maurice Ewing Medal
Anthony Brian Watts was awarded the 2020 Maurice Ewing Medal at the virtual AGU Fall Meeting in December. The medal is for “significant original contributions to the ocean sciences.”
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Scientists Mine 16th Century Ship Logs for Geophysical Research
Compass measurements held a key to unlocking the mystery of Earth’s magnetic field and its changes over time. A historian-turned-geoscientist found the measurements in an unlikely place—merchant ship logs.
Posted inEditors' Highlights
Marine Isotope Stage 6: First High-Resolution Field Record
A 200-year resolution record from the Black Sea for marine isotope stage 6 (130-180 ka) shows a stable geomagnetic field.
Posted inResearch Spotlights
First Worldwide View of a Key Phytoplankton Proxy
New insights into the dynamics of ocean features known as deep chlorophyll maxima set the stage for better understanding of their role in carbon cycling.
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Years After the Pacific Marine Heat Wave, Ecosystem Shifts Persist
Researchers question whether Gulf of Alaska species will return to pre–heat wave conditions.
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Ocean Sensors Record Rare Triple Tsunami near New Zealand
A new suite of DART buoys in the South Pacific Ocean spotted waves set in motion by three tsunamigenic earthquakes that occurred within hours of one another.
Posted inNews
A Massive Methane Reservoir Is Lurking Beneath the Sea
Scientists have found a methane reservoir below the permafrost seabed of the Laptev Sea—a reservoir that could suddenly release large amounts of the potent greenhouse gas.
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What Happens When Six Sea Turtles Go Rogue
In a study of more than 200 sea turtles, researchers were surprised by six turtles that went their own way.