In its most general sense, the word earthquake is used to describe any seismic event that generates seismic waves. Earthquakes can occur naturally or be induced by human activities, …

Jan 2, 2026 · 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 …

A short wiggly line that doesn’t wiggle very much means a small earthquake, and a long wiggly line that wiggles a lot means a large earthquake. The length of the wiggle depends on the size …

Sep 25, 2025 · What Is an Earthquake? An earthquake is an intense shaking of Earth’s surface. The shaking is caused by movements in Earth’s outermost layer. Why Do Earthquakes …

Apr 1, 2025 · An earthquake is one of nature’s most powerful and destructive forces, shaking the Earth’s surface with a tremendous force that can level cities, cause tsunamis, and change the …

The meaning of EARTHQUAKE is a shaking or trembling of the earth that is volcanic or tectonic in origin. How to use earthquake in a sentence.

Earthquakes are caused by the release of built-up stress within rocks along geologic faults or by the movement of magma in volcanic areas. They are usually followed by aftershocks.

Add to word list earth science a sudden, violent movement of the earth’s surface, often causing damage and sometimes deaths (Definition of earthquake from the Cambridge Academic …

Mar 11, 2019 · An earthquake is defined as the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth’s lithosphere that creates seismic waves. This release …

Jun 16, 2025 · An earthquake is a sudden and violent shaking of the ground, caused by the passage of seismic waves through the Earth’s crust. These waves are generated when energy …