A team of geologists and mineral physicists at Harvard University, the University of California, Argonne National Laboratory ...

The potential compositional boundary was typically put at 660 km depth, corresponding to the major seismic discontinuity that marks the boundary between the upper mantle and lower mantle.

Part of that history encompasses the lore of National Baseball Hall of Fame member Mickey Mantle, who was raised in Commerce, Oklahoma, and was known as the “Commerce Comet.” With that Mantle ...

Tomography is a technique whereby the body is imaged in 'slices' or sections. Typically the imaging modality is X-ray radiography, and the slices can be viewed separately or in combination.

This region has shown such activity before. The faults extend to this area and it is difficult to distinguish seismic activity on the faults from activity associated with the volcano. The earthquakes ...

A magnitude 5.0 earthquake has struck.