Tag Archives: Magma

Finding the magma source for Mount St Helens

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

Image | Posted on by | Tagged , , , | Leave a comment

When Continents Collide

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

Image | Posted on by | Tagged , , , , | Leave a comment

The Other Gutenberg

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

Image | Posted on by | Tagged , , , , | Leave a comment

Discontinuity under the Aloha State

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

Image | Posted on by | Tagged , , , | Leave a comment