Nov 21, 2025 · Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. Earthquakes occur most often along geologic faults, narrow …

Oct 25, 2025 · earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth ’s rocks. Seismic waves are produced when some form of energy stored …

Nov 11, 2025 · The largest earthquake ever recorded (magnitude 9.5) took place in 1960 off the coast of Chile, and it caused a tsunami that killed approximately 2,000 people in Chile, 61 …

Earthquakes—that is, sudden episodes of shaking ground—are caused by seismic waves (which result from the energy released by the breaking and slippage of one set of rocks against …

Oct 20, 2025 · Seismology, which involves the scientific study of all aspects of earthquakes, has yielded answers to such long-standing questions as why and how earthquakes occur.

3 days ago · Earthquakes occur due to the sudden release of energy in the Earth’s crust, primarily caused by tectonic movements.

NARRATOR: Earthquakes are caused by powerful geologic forces rarely visible on the surface. For example, the rocks on either side of a fault may move only a few centimeters per year, but …

In an earthquake, huge masses of rock move beneath Earth ’s surface and cause the ground to shake. Earthquakes occur constantly around the world. Often they are too small for people to …

Nov 23, 2025 · earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth ’s rocks. Seismic waves are produced when some form of energy stored …

The interactive presents the locations of the 14 earthquakes with the greatest death tolls and most destructive power occurring since 1960. The interactive scales six of the deadliest …