2. SEPTEMBER 19, 1985 MEXICO EARTHQUAKE SEPTEMBER 19, 1985 MEXICO EARTHQUAKE WALTER HAYS GLOBAL INSTITUTE FOR ENERGY AND ENVIRONMENTAL SYSTEMS WALTER HAYS GLOBAL INSTITUTE FOR ENERGY AND ENVIRONMENTAL SYSTEMS

4. 1985 MEXICO EARTHQUAKE 1985 MEXICO EARTHQUAKE SEPTEMBER 19, 1985 M8.1 A SUBDUCTION ZONE QUAKE 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 ALTHOUGH LARGER THAN USUAL, THE EARTHQUAKE WAS NOT A “SURPRISE” A GOOD, MODERN BUILDING CODE HAD BEEN ADOPTED AND IMPLEMENTED

5. 1985 MEXICO EARTHQUAKE 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 400 BUILDINGS COLLAPSED IN OLD LAKE BED ZONE OF MEXICO CITY SOIL-STRUCTURE RESONANCE IN OLD LAKE BED ZONE WAS A MAJOR FACTOR

6. AFTER THE SEPTEMBER 19, 1985 MEXICO EARTHQUAKE URGENT GOAL: TO FIND THE COMMON AGENDA (CA) OF TECHNICAL AND POLITICAL SOLUTIONS AND POLITICAL SOLUTIONS URGENT GOAL: TO FIND THE COMMON AGENDA (CA) OF TECHNICAL AND POLITICAL SOLUTIONS AND POLITICAL SOLUTIONS TECHNICAL SOLUTIONS POLITICAL SOLUTIONS CA

7. AFTER THE SEPTEMBER 19, 1985 MEXICO EARTHQUAKE RELEARNED FACT: THE COMMON AGENDA IS BASED ON A COMMUNITY’S STAPLE FACTORS RELEARNED FACT: THE COMMON AGENDA IS BASED ON A COMMUNITY’S STAPLE FACTORS TECHNICAL SOLUTIONS POLITICAL SOLUTIONS STAPLE FACTORS PP TT SS OO CA

8. A COMMUNITY’S STAPLE FACTORS VARY WITH A COMMUNITY’S STAPLE FACTORS VARY WITH TIME PLACE CIRCUMSTANCES TIME PLACE CIRCUMSTANCES

9. 1985 MEXICO EARTHQUAKE: CRITICAL STRUCTURES-- HOSPITALS 1985 MEXICO EARTHQUAKE: CRITICAL STRUCTURES-- HOSPITALS

10. 1985 MEXICO EARTHQUAKE: ESSENTIAL STRUCTURES-- SCHOOLS 1985 MEXICO EARTHQUAKE: ESSENTIAL STRUCTURES-- SCHOOLS

11. 1985 MEXICO EARTHQUAKE: STEEL FRAME BUILDING 1985 MEXICO EARTHQUAKE: STEEL FRAME BUILDING

12. 1985 MEXICO EARTHQUAKE: POUNDING 1985 MEXICO EARTHQUAKE: POUNDING

13. 1985 MEXICO EARTHQUAKE: NUEVA LEON APARTMENT BUILDINGS 1985 MEXICO EARTHQUAKE: NUEVA LEON APARTMENT BUILDINGS

14. 1985 MEXICO EARTHQUAKE: SEARCH AND RESCUE 1985 MEXICO EARTHQUAKE: SEARCH AND RESCUE

15. 1985 MEXICO EARTHQUAKE: SEARCH AND RESCUE

16. 1985 MEXICO EARTHQUAKE: RAILROAD SYSTEM 1985 MEXICO EARTHQUAKE: RAILROAD SYSTEM

17. 1985 MEXICO EARTHQUAKE: TELECOMMUNICATIONS (SCT) 1985 MEXICO EARTHQUAKE: TELECOMMUNICATIONS (SCT)

18. 1985 MEXICO EARTHQUAKE: SOIL AMPLIFICATION 1985 MEXICO EARTHQUAKE: SOIL AMPLIFICATION

19. 1985 MEXICO EARTHQUAKE 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