Lecture_04 - LECTURE 4 EARTHQUAKE DYNAMICS 1.0 FRACTURES...

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Lecture 4. Revised 8/08 1 LECTURE 4 EARTHQUAKE DYNAMICS 1.0 FRACTURES AND FAULTS TYPES OF EARTH MOVEMENT CREEP VS. SEISMIC SLIP STORAGE OF ENERGY IN ROCKS STRESS STRAIN ENERGY POINT OF ELASTIC REBOUND TYPE OF FAULTS NORMAL (TENSIONAL)) REVERSE (COMPRESSIONAL) THRUST (LOW ANGLE COMPRESSIONAL) SLIP-STRIKE (HORIZONTAL MOTION, SHEAR) 1.1 LOCATION OF RECENT EARTHQUAKES EPICENTER OFTEN ASSOCIATED WITH PLATE BOUNDARIES 1985 MEXICO CITY EARTHQUAKE. LASTED 50 SECONDS. ONE OF THE MOST DEVASTATING EARTHQUAKES IN THE HISTORY OF THE AMERICAS. EPICENTER LOCATED OFF THE
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Lecture 4. Revised 8/08 2 PACIFIC COAST OF THE MEXICAN STATE OF MICHOAC Ń , A DISTANCE OF 350 KM 1989 WORLD SERIES EARTHQUAKE, CALIFORNIA. LASTED 15 SECONDS. INTERRUPTED THE BASEBALL WORLD SERIES BETWEEN THE SAN FRANCISCO GIANTS AND THE OAKLAND ATHLETICS. EPICENTER LOCATED AT LOMA PRIETA, CALIFORNIA. 1964 “GOOD FRIDAY EARTHQUAKE”, ALASKA. LASTED FIVE MINUTES. THE MOST POWERFUL RECORDED EARTHQUAKE IN U.S. AND NORTH AMERICAN HISTORY, AND THE THIRD MOST POWERFUL EVER MEASURED BY SEISMOGRAPH. EPICENTER LOCATED IN PRINCE WILLIAM SOUND.
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This note was uploaded on 09/22/2008 for the course ISP 203A taught by Professor Larson during the Fall '08 term at Michigan State University.

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Lecture_04 - LECTURE 4 EARTHQUAKE DYNAMICS 1.0 FRACTURES...

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