What Causes an Earthquake?
Reid's Elastic Rebound Theory
Four Stages
1)
Pre-load Period
Ø
No Stress
Ø
No Deformation
2)
Bending Period
Ø
Slow Stress Loading
Ø
Elastic Deformation
3) Rupture Period
Ø
Instant Stress Release
Ø
Brittle Deformation/Offset
4) Rebound Period
Ø
Removal of Bending
Ø
Stress Relieved