Tag Archives: Geophysics

Volcano topography can distort ground deformation data

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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Measurements of elusive mineral could explain mantle discontinuity

A predicted phase transition shows up in high-pressure experiments. Continue reading

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Mineral measurements could explain mantle seismology

A predicted phase transition shows up in high-pressure experiments. Continue reading

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Mars smiles for InSight’s cameras

We look forward to learning more about Mars as InSight’s scientific operations commence. Continue reading

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Size-sorted sand creates uncommon length scale in windblown formations

A combination of grain-size distribution and critical wind speed is responsible for megaripples. Continue reading

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New tools for forecasting steam-blast eruptions

Satellite data can pinpoint predictors of future explosive activity. Read more in Physics Today…

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How to build megaripples out of sand

Sorting of grains by steady winds produces rare formations larger than ripples but smaller than dunes. Continue reading

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A Kilauea eruption like no other

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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Forecasting steam-burst eruptions

Satellite data can pinpoint the locations of potentially life-threatening geothermal events.   Continue reading

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An eruption mechanism for underwater volcanoes

A new model explains how some lava that rises from the seafloor eventually sinks back down.   Continue reading

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