An undersea earthquake occurs when tectonic plates shift beneath the ocean floor, and while it may go unnoticed at the ...

This area is one of the most active and visible places on Earth where two tectonic plates meet, so it's incredibly unique to be physically standing in the gap," Coleman told Newsweek.

April 22 (UPI) --Clues hiding in ancient rocks from Australia and South Africa suggest Earth's tectonic plates began shifting earlier than scientists previously thought. While some geologists have ...

"The molten layer is located about 100 miles from the surface and is part of the asthenosphere, which sits under the Earth’s tectonic plates in the upper mantle," a UT press release notes.

BUFFALO, N.Y. — At the boundaries between tectonic plates, narrow rifts can form as Earth’s crust slowly pulls apart. But how, exactly, does this rifting happen? Does pressure from magma rising from ...