Tag Archives: Magma

Volcano topography can distort ground deformation data

Posted on May 10, 2019 by rberkowitz

Cliff-like features could explain the anomalous measurements taken by tiltmeters deployed at Hawaii’s Kilauea and other volcanoes. Continue reading →

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A Kilauea eruption like no other

Posted on May 16, 2018 by rberkowitz

The famously active Hawaiian volcano typically erupts at existing fissures and triggers minor earthquakes. This latest event has no such limitations. Continue reading →

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Continental rift exposes mantle melting at work

Posted on July 18, 2017 by rberkowitz

Changes in the degree of melting of mantle rock explain uplift and subsidence patterns in New Zealand’s Taupo Volcanic Zone. Continue reading →

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Finding the magma source for Mount St Helens

Posted on November 1, 2016 by rberkowitz

Seismic imaging reveals a cold mantle beneath the volcano and suggests that magma migrates from the east. Continue reading →

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When Continents Collide

Posted on May 21, 2013 by rberkowitz

A new rheological model characterizes the ways Earth’s crust can slide over and into its mantle. Continue reading →

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The Other Gutenberg

Posted on April 19, 2012 by rberkowitz

Seismologist’s legacy includes discontinuities in Earth’s mantle and beyond. Continue reading →

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Discontinuity under the Aloha State

Posted on July 20, 2011 by rberkowitz

An advanced seismic imaging technique has provided a more detailed picture of mantle structure beneath the Hawaii islands, but it hasn’t resolved how the islands formed. Continue reading →

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