Earthquakes

Directions to information and data from earthquakes as fast as possible.

Start here for the seismic basics.

What those "beachball" diagrams mean.

You say you wanted an earthquake quiz? Well, get ready to rumble!

Here's a million-dollar earthquake quiz for you . . . but maybe you're a little SHAKY on the subject.

A new theory of earthquake lights looks promising.

Examples and methods of paleoseismic trenching studies of earthquake faults.

Geologists are getting near the places where earthquakes actually happen.

Maps of all the earthquake-prone countries of the world.

Dedicated professionals are out there learning lessons from earthquakes about safer buildings.

Pictures of structures and equipment related to earthquake engineering.

Early-warning systems for people in earthquake zones are growing closer to real time.

The "ghosts of earthquakes past" are unsung villains of earthquake hazard.

The 1994 Northridge earthquake took down with it the state's insurance commissioner--six years later.

It depends on what the meaning of "cause" is.

Deep-focus earthquakes aren't supposed to happen, but they do.

Liquefaction, a devastating effect of earthquakes, is only now being widely assessed.