PLATE TECTONICS

A UNIFYING CONCEPT FOR UNDERSTANDING EARTHQUAKES

AND VOLCANOES

Walter Hays, Global Alliance for Disaster Reduction, University of

North Carolina, USA

PLANET EARTH, A UNIQUE DYNAMIC PLANET

POSITION OF TECTONIC PLATES TWO EARTH DAYS AGO

POSITION OF TECTONIC PLATES NOW

SCHEMATIC MAP OF TECTONIC PLATES

EARTHQUAKES DEFINE PLATE BOUNDARIES: PACIFIC, EURASIAN, NA, SA, NASCA, CARIBBEAN,

COCOS, AND PHILIPPINES PLATES

SUBDUCTION OF CONVERGING PLATES

NORTH AMERICAN AND PACIFIC PLATES

SAN ANDREAS FAULT: BOUNDARY OF NA AND PACIFIC PLATES

SAN ANDREAS FAULT: SO. CALIFORNIA

THE CARIBBEAN TECTONIC PLATE

NORTH AMERICAN AND CARIBBEAN PLATE SUBDUCTION ZONE

PACIFIC, JUAN DE FUCA, AND NORTH AMERICA PLATES

FAULTS: COCOS PLATE SUBDUCTION ZONE

ARABIAN, AFRICAN, ANATOLIAN, AND EURASIAN PLATES

ARABIAN PLATE

DEAD SEA RIFT ZONE

FAULT MAP: TURKEY

COLLISION OF CONVERGING PLATES

AFRICA, ARABIAN, EURASIA, AND INDIAN PLATES

ANNEX 1:MODELING THE POSITIONS AND MOVEMENTS OF THE

TECTONIC PLATES OVER TIMEFROM 255 MILLION YEARS AGO

TO 250 MILLION YEARS IN THE

FUTURE

PLATE POSITIONS: LATE PERMIAN 255 MYA

PLATE POSITIONS: LATE JURASSIC 152 MYA

PLATE POSITIONS; LATE CRETACEOUS 94 MYA

PLATE POSITIONS: MIOCENE 14 MYA

PLATE POSITIONS: LAST GLACIAL MAXIMUM 18,000 YA

PLATE POSITIONS: MODERN WORLD

FUTURE WORLD: + 50 MY

FUTURE WORLD: + 250 MY