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Geophysics

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Scientists Unravel How the Tonga Volcano Caused Worldwide Tsunamis

April 13, 2022

The Tonga eruption in January was “basically like Krakatoa 2.” This time, geophysicists could explain the tiny tsunamis that cropped up all over the planet, solving a 139-year-old mystery about Tonga’s predecessor.

A Massive Subterranean ‘Tree’ Is Moving Magma to Earth’s Surface

September 15, 2021

Deep in the mantle, a branching plume of intensely hot material appears to be the engine powering vast volcanic activity.

A Burp or a Blast? Seismic Signals Reveal the Volcanic Eruption to Come

June 1, 2021

Scientists have begun to decipher the subtle signs that reveal how explosive a volcanic eruption is going to be.

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The New Historian of the Smash That Made the Himalayas

April 14, 2021

About 60 million years ago, India plowed into Eurasia and pushed up the Himalayas. But when Lucía Pérez-Díaz reconstructed the event in detail, she found that its central mystery depended on a broken geological clock.

Iceland’s Eruptions Reveal the Hot History of Mars

April 6, 2021

The new volcanic fissures are more otherworldly than they first appear.

Scientists Pin Down When Earth’s Crust Cracked, Then Came to Life

March 25, 2021

New data indicating that Earth’s surface broke up about 3.2 billion years ago helps clarify how plate tectonics drove the evolution of complex life.

Rumbles on Mars Raise Hopes of Underground Magma Flows

February 1, 2021

Small and cold, Mars has long been considered a dead planet. But a series of recent discoveries has forced scientists to rethink how recently its insides stopped churning — if they ever stopped at all.

Scientists Uncover the Universal Geometry of Geology

November 19, 2020

An exercise in pure mathematics has led to a wide-ranging theory of how the world comes together.

New Earthquake Math Predicts How Destructive They’ll Be

April 21, 2020

The “pinball” model of a slipping fault line borrows from the mathematics of avalanches.

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