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Geophysics is broadly the study of the physics of planetary bodies and atmospheres, including the flow of energy through these systems. The term may also be used more narrowly to describe the investigation and characterization of the Earth’s subsurface using non-invasive techniques such as seismic imaging.
The pyramids of the Western desert in Egypt were built alongside a now extinct branch of the Nile River named as the Ahramat Branch and identified using a combination of radar satellite imagery, geophysical data and deep soil coring.
Intermediate-depth intra-slab earthquakes can be generated in the regions of subducted slabs affected by transient stress increases, according to 2-D thermomechanical modeling of bending plates at subduction zones.
A correlation between seismic tomography-derived upper mantle low-density bodies and crustal earthquake clusters in west-central Europe suggests mantle buoyancy forces may be a factor controlling the distribution of intracontinental seismicity
Since the Jurassic, East European basins have likely been situated over a weakening mantle upwelling, which heated the basins and created suitable conditions for hydrocarbon maturation, according to geodata combined with modelling.
Humans’ effect on the polar ice sheets is slowing Earth’s rotation, posing challenges for its alignment with the official time standard. Two researchers discuss the science behind the slowdown and the impact it has on timekeeping.
Two analyses of seismic waves that traversed Mars paint the clearest picture yet of the red planet’s core and deep mantle — and rationalize the puzzling implications of a previous interpretation of the seismological data.