Tinted detail of a photo: Thin-section micrograph of a pale, rounded feldspar grain wrapped in curving dark and light bands of fine-grained rock, cut and slightly offset by straight diagonal cracks.
SM
Seismology

Surface-wave tomography; Earth’s hum

Listen to the hum

Listen to the hum

A new global S-wave model has recently been published in Geophysical Journal International. While this sounds exciting enough to tomographers and geodynamicists, this model has been constructed in a rather avant-garde way, too. It is one out of only two global tomographic models ever to be made based on the Earth’s background oscillations, that is long-periodic …[Read More]