Explanation: The focus (hypocentre) is the subsurface point where an earthquake originates; the epicentre lies directly above it on the surface.

New simulations reveal a hidden “ocean of fire” that once existed above Earth’s core, influencing the planet’s internal landscape. These ancient molten seas, known as the basal magma ocean, were a ...

There's something large moving deep beneath New England. This is the conclusion of a new paper by researchers from the University of Southampton, England, who have been studying a mysterious patch of ...