Natural Disasters - PowerPoint

							Natural Disasters




     By: Patrick L. Abbott
Chapter 4




     Some Earthquakes in
     Western North America
Overview

Subduction Zone Earthquakes
Spreading-Center Earthquakes
Transform Fault Earthquakes California
How Faults Work
Thrust Fault Earthquakes in Southern
 California
The Big One
Subduction Zone Earthquakes

The Good Friday Earthquake, Alaska,
 1964
Mexico City, 1985
  Earthquakes Don’t Kill, Buildings Do
Pacific Northwest, The Upcoming
 Earthquake
  Earthquake in 1700
Spreading-Center Earthquakes

Characteristics
Possible effects
Major faults
Transform Fault Earthquakes in
California
San Francisco, 1906
San Andreas Fault Earthquakes
  Neotectonics
  Paleoseismology
World Series (Loma Prieta) Earthquake,
 1989
  Earthquakes Don’t Kill, Buildings Do
Transform Fault Earthquakes in
California (cont. )
  Marina District
  Interstate 880
Bay Area Earthquakes - Past and Future
  Three patterns
Kobe, Japan, 1995 vs. Oakland, California,
 20??
How Faults Work

Old View
  Friction
Newer View
Landers, California, 1992
Southern San Andreas Fault
Thrust Fault Earthquakes in
Southern California
Thrust faults
Blind thrusts
Global Positioning System(GPS)
Northridge, California, 1994
The Big One

Evaluation of hazards
Fault systems