SEPTEMBER 19, 1985 MEXICO EARTHQUAKE

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SEPTEMBER 19, 1985 MEXICO EARTHQUAKE

• WALTER HAYS
• GLOBAL INSTITUTE FOR ENERGY AND ENVIRONMENTAL
  SYSTEMS

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(No Transcript)
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1985 MEXICO EARTHQUAKE

• SEPTEMBER 19, 1985
• M8.1
• A SUBDUCTION ZONE QUAKE

• ALTHOUGH LARGER THAN USUAL, THE EARTHQUAKE WAS
  NOT A SURPRISE
• A GOOD, MODERN BUILDING CODE HAD BEEN ADOPTED AND
  IMPLEMENTED

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1985 MEXICO EARTHQUAKE

• EPICENTER LOCATED 240 KM FROM MEXICO CITY

• 400 BUILDINGS COLLAPSED IN OLD LAKE BED ZONE OF
  MEXICO CITY
• SOIL-STRUCTURE RESONANCE IN OLD LAKE BED ZONE WAS
  A MAJOR FACTOR

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AFTER THE SEPTEMBER 19, 1985 MEXICO EARTHQUAKE
URGENT GOAL TO FIND THE COMMON AGENDA (CA) OF
TECHNICAL AND POLITICAL SOLUTIONS
TECHNICAL SOLUTIONS
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AFTER THE SEPTEMBER 19, 1985 MEXICO EARTHQUAKE
RELEARNED FACT THE COMMON AGENDA IS BASED ON A
COMMUNITYS STAPLE FACTORS
TECHNICAL SOLUTIONS
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A COMMUNITYS STAPLE FACTORS VARY WITH

• TIME
• PLACE
• CIRCUMSTANCES

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1985 MEXICO EARTHQUAKE CRITICAL
STRUCTURES--HOSPITALS
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1985 MEXICO EARTHQUAKE ESSENTIAL
STRUCTURES--SCHOOLS
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1985 MEXICO EARTHQUAKE STEEL FRAME BUILDING
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1985 MEXICO EARTHQUAKE POUNDING
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1985 MEXICO EARTHQUAKE NUEVA LEON APARTMENT
BUILDINGS
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1985 MEXICO EARTHQUAKE SEARCH AND RESCUE
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1985 MEXICO EARTHQUAKE SEARCH AND RESCUE
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1985 MEXICO EARTHQUAKE RAILROAD SYSTEM
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1985 MEXICO EARTHQUAKE TELECOMMUNICATIONS (SCT)
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1985 MEXICO EARTHQUAKE SOIL AMPLIFICATION
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1985 MEXICO EARTHQUAKE

• THE EARTHQUAKE SERVED AS A CATALYST FOR IMPROVING
  URBAN SEARCH AND RESCUE IN THE UNITED STATES

• MEXICAN OFFICIALS SIGNIFICANTLY UPGRADED THE
  SEISMIC DESIGN PROVISIONS OF THE MEXICO BUILDING
  CODE