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PLATE TECTONICS A UNIFYING CONCEPT FOR UNDERSTANDING EARTHQUAKES AND VOLCANOES Walter Hays, Global Alliance for Disaster Reduction, University of North.

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Presentation on theme: "PLATE TECTONICS A UNIFYING CONCEPT FOR UNDERSTANDING EARTHQUAKES AND VOLCANOES Walter Hays, Global Alliance for Disaster Reduction, University of North."— Presentation transcript:

1 PLATE TECTONICS A UNIFYING CONCEPT FOR UNDERSTANDING EARTHQUAKES AND VOLCANOES Walter Hays, Global Alliance for Disaster Reduction, University of North Carolina, USA

2 PLANET EARTH, A UNIQUE DYNAMIC PLANET

3 POSITION OF TECTONIC PLATES TWO EARTH DAYS AGO

4 POSITION OF TECTONIC PLATES NOW

5 SCHEMATIC MAP OF TECTONIC PLATES

6 EARTHQUAKES DEFINE PLATE BOUNDARIES: PACIFIC, EURASIAN, NA, SA, NASCA, CARIBBEAN, COCOS, AND PHILIPPINES PLATES

7 SUBDUCTION OF CONVERGING PLATES

8

9 NORTH AMERICAN AND PACIFIC PLATES

10 SAN ANDREAS FAULT: BOUNDARY OF NA AND PACIFIC PLATES

11 SAN ANDREAS FAULT: SO. CALIFORNIA

12 THE CARIBBEAN TECTONIC PLATE

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14 NORTH AMERICAN AND CARIBBEAN PLATE SUBDUCTION ZONE

15 PACIFIC, JUAN DE FUCA, AND NORTH AMERICA PLATES

16 JUAN DE FUCA PLATE

17 FAULTS: COCOS PLATE SUBDUCTION ZONE

18 ARABIAN, AFRICAN, ANATOLIAN, AND EURASIAN PLATES

19 ARABIAN PLATE

20 DEAD SEA RIFT ZONE

21 FAULT MAP: TURKEY

22 COLLISION OF CONVERGING PLATES

23 AFRICA, ARABIAN, EURASIA, AND INDIAN PLATES

24 ANNEX 1: MODELING THE POSITIONS AND MOVEMENTS OF THE TECTONIC PLATES OVER TIME FROM 255 MILLION YEARS AGO TO 250 MILLION YEARS IN THE FUTURE

25

26 PLATE POSITIONS: LATE PERMIAN 255 MYA

27 PLATE POSITIONS: LATE JURASSIC 152 MYA

28 PLATE POSITIONS; LATE CRETACEOUS 94 MYA

29 PLATE POSITIONS: MIOCENE 14 MYA

30 PLATE POSITIONS: LAST GLACIAL MAXIMUM 18,000 YA

31 PLATE POSITIONS: MODERN WORLD

32 FUTURE WORLD: + 50 MY

33 FUTURE WORLD: + 250 MY


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