Earthquakes are caused by an abrupt shift of rock along a fracture in the Earth.
Most earthquakes are caused by slow movements inside the Earth that push against the Earth's brittle, relatively thin outer layer, causing the rocks to break suddenly.
Earthquakes are usually caused when rock underground suddenly breaks along
a fault. This sudden release ... That's just what happens along a strike-slip fault.
Most earthquakes occur along the edge of the oceanic and continental plates.
The earth's crust (the outer layer of the planet) is made up of several pieces,
Apr 7, 2016 ... An earthquake is what happens when two blocks of the earth suddenly slip past
one ... What causes earthquakes and where do they happen?
Earthquakes can strike any location at any time. But history shows they occur in
the same general patterns year after year, principally in three large zones of the ...
Earthquakes do occur occasionally in Antarctica, but not very often. There have
been some big earthquakes--including one magnitude 8--in the Balleny Islands.
Earthquakes occur in the crust or upper mantle, which ranges from the earth's
surface to about 800 kilometers deep (about 500 miles). The strength of shaking
In many ways, earthquakes are one of nature's reminders that we are living on
the thin outer crust of a planet whose interior is still cooling. Earthquakes happen
Dec 23, 2015 ... An earthquake is ground shaking caused by a sudden movement of rock in the
earth's crust. ... What are earthquakes and why do they occur?
Just like a giant, spherical puzzle, the outer layer of the Earth's crust is made up
of many pieces, known as tectonic plates (see picture below). Earthquakes ...