Whittier College

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Whittier College Department of Earth
Sciences ENVS 499 - Senior Seminar Instructor
Jan Vermilye
Analysis by Craig Boden John Fodor
Kevin Mass Peter Triezenberg
Earthquake Hazard for the City of Whittier
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Project Overview

• Selecting an Earthquake Scenario
• Whittier Fault Scenario
• Scenario Results
• Project Evaluation
• Understanding an Earthquake

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Choosing a Scenario
Fault Statistics
Whittier
www.scecdc.scec.org
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(Individuals) Total 16
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(Individuals) Total 125
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(Thousands of Dollars) Total 581 Million
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(Individual Households) Total 1343
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(Thousands of Tons) Total 480,000
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Scenario Results Number of Buildings
Damaged Damage Level
Total Slight
(small cracks)
8,100 Moderate (medium to
large cracks w/ chimney cracks)
6,300 Extensive (large cracks, toppling of
chimneys) 1,600 Complete
(collapse or danger of collapse)
500 Total

16,500 Casualties Severity 1 (Medical
treatment without hospitalization)
685 Severity 2 (Hospitalization but not life
threatening) 125 Severity 3
(Hospitalization and life threatening)
19 Severity 4 (Fatalities)
16 Shelter Displa
ced Households ( households)
1,340 Short Term Shelter ( people)
900 Economic
Loss Property Damage (Capital Stock) Losses
580 Million Business Interruption (Income)
Losses 170 Million Total

750 Million
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Scenario Results (Continued) Number of
Households without potable water Day 1

19,931 Day 7

17,110 Day 30

0 Number of Households without electric power
Day 1
22,344 Day 7

8,136 Day 30

682 Day 90

0 Hospital Beds available
for use Day 1

83 Day 7
170
Day 30

316
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Project Evaluation

• Using HAZUS as part of a Service Learning Project
• Linking Science Society
• Overall Student Learning
• Experience with Software, both HAZUS Arc View
• Experience Interdependence of Working in a Group
  on Long term Project
• Developed Communication Skills, both in
• Developing the Scenario
• Public Speaking, Presentation of Scenario Results
• Impacts on the Community
• Whittier College Community
• City of Whittier

Most damaging