A series of shallow earthquakes associated with the volcanic activity in Yellowstone struck this area in 1978.

They are particularly strongly excited when their source is close to the surface of the Earth, as in a shallow earthquake or explosion.

A chain of more shallow earthquakes were recorded as recently as April 2006.

It looks and acts and talks like these shallow earthquakes.

On 15 February 1865, a small shallow earthquake caused serious damage in Rampside.

In other parts of the world, like California, two plates scrape past one another producing shallow "strike-slip" earthquakes.

This shallow earthquake occurred in a seismically active zone near the coast of central Mexico.

Some plates slide by each other, producing shallow earthquakes.

Many shallow earthquakes normally occur before a volcano erupts.

In shallow earthquakes the line are close together while in deep events the lines are spread further apart.