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EARTHQUAKE STRIKES CHRISTCHURCH, NEW ZEALAND A SHALLOW (2.5 MI), M6.3 QUAKE LOCATED 3 MI FROM CHRISTCHURCH (USGS) STRUCK AT NOON ON A WORK DAY Walter Hays,

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Presentation on theme: "EARTHQUAKE STRIKES CHRISTCHURCH, NEW ZEALAND A SHALLOW (2.5 MI), M6.3 QUAKE LOCATED 3 MI FROM CHRISTCHURCH (USGS) STRUCK AT NOON ON A WORK DAY Walter Hays,"— Presentation transcript:

1 EARTHQUAKE STRIKES CHRISTCHURCH, NEW ZEALAND A SHALLOW (2.5 MI), M6.3 QUAKE LOCATED 3 MI FROM CHRISTCHURCH (USGS) STRUCK AT NOON ON A WORK DAY Walter Hays, Global Alliance for Disaster Reduction, University of North Carolina, USA

2 LOCATION MAP: CHRISTCHURCH

3 Natural Phenomena that Cause Disasters Planet Earth’s Restlessness Causes Movement of Tectonic Plates:  Earthquakes

4 THE INDO-AUSTRALIA AND PACIFIC SUBDUCTION ZONE

5 FAULT ZONES IN VICINITY OF NEW ZEALAND

6 SEISMICITY MAP: VICINITY OF CHRISTCHURCH

7 EPICENTRES: SEPT 2010 AND FEB 2011 EARTHQUAKES

8 THIS QUAKE: AN AFTERSHOCK OF THE 3 SEPT 2010 QUAKE Christchurch has been hit by hundreds of aftershocks since the M7.1 earthquake of 3 September 2010, which caused extensive damage and injuries, but no deaths.

9 PHILIPPINO SEISMOLOGIST: LOOKS AT SEISMOGRAMS IN MANILA

10 SHALLOW-DEPTH EARTHQUAKES ARE MORE DAMAGING

11 SOCIETAL IMPACTS EXACER- BATED BY SHALLOW DEPTH Strong ground shaking toppled tall buildings and churches on a busy weekday, killing at least 100 people, severing communi- cation lines, and leaving the centre of the city looking like “a war zone.”

12 INTENSITY MAP: CHRISTCHURCH

13 CHRISTCHURCH CITY CENTRE: “A WAR ZONE”

14

15

16 PYNE GOULD GUINESS BUILDING: COLLAPSED

17 COLLAPSED BUILDING; CHRISTCHURCH

18 DAMAGE: CHRISTCHURCH CATHOLIC CATHEDRAL

19 COLLAPSE: A BAPTIST CHURCH

20 CRUSHED CARS: CHRISTCHURCH

21 BARACADED BUILDING; CHRISTCHURCH

22 INTERIOR CONTENTS

23 TRAPPED IN RUBBLE More than 100 people, including as many as a dozen visiting Japanese students, are thought to be trapped in the rubble.

24 SEARCH AND RESCUE Despite darkness and drizzling rain, rescue crews with sniffer dogs (and eventually heavy equipment) fanned out across the city in search of survivors, some of whom were sending text and phone messages from beneath the rubble.

25 SEARCH AND RESCUE WORKERS

26 UNUSUAL PHYSICAL IMPACTS 40 million tons of ice were separated from Tasman Glacier located 120 mi from the epicentre, and flooding occurred in Bexley, a suburb of Christchurch.

27 40 MILLION TON ICE CHUNK DISLODGED FROM TASMAN GLACIER

28 DISLODGED ICE IN TASMAN LAKE

29 CHRISTCHURCH SUBURB, BEXLEY, FLOODED

30 POLICY ADOPTION RISK ASSESSMENT VULNERABILITYVULNERABILITY EXPOSUREEXPOSURE EVENTEVENT POLICY ASSESSMENT COSTCOST BENEFITBENEFIT CONSEQUENCESCONSEQUENCES TIME FOR A NEW EARTHQUAKE SCENARIO AND A POLICY REVIEW: TOWARDS DISASTER RISK REDUCTION EARTH- QUAKES EXPECTED LOSS

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