Earthquakes Guided Notes - Part I

Earthquakes

Guided Notes


Part I

What causes earthquakes?

Elastic Rebound Theory

Parts of a Quake

Types of Seismic Waves

1. 'P' waves (Primary)

2. 'S' waves (secondary)

Second waves recorded by a seismograph.

When P and S waves reach the surface, they become...

'L' waves (surface waves)

Last to reach seismograph.

'P' waves travel twice
as fast as 'S' waves.