10 DEAD; DOZENS INJURED IN TOWN OF 85,000 TWO SMALL (M4.5 AND M5.2) EARTHQUAKES EXPOSE VULNERABILITIES IN OLD BUILDINGS IN LORCA, SPAIN 10 DEAD; DOZENS INJURED IN TOWN OF 85,000 6:45 PM,WEDNESDAY, MAY 11, 2011 Other Supercourse lectures on Earthquake Walter Hays, Global Alliance for Disaster Reduction, University of North Carolina, USA
PAST DAMAGING EARTHQUAKES IN SPAIN The epicenter was located in the Tercia mountain range close to the town of Lorca, 350 km from Madrid.
LORCA: DAMAGE TO OLD MASONRY BUILDINGS
LORCA: FALLING DEBRIS DAMAGES CARS
HOSPITAL IN LORCA DAMAGED About 270 patients at a hospital in Lorca were evacuated as a precaution after the building sustained damage.
PAST DAMAGING EARTHQUAKES IN SPAIN More than 300 troops and extra police with search and rescue teams were sent to Lorca.
PAST DAMAGING EARTHQUAKES IN SPAIN In Spain’s last major quake in 1956, 12 people in the province of Granada were killed.
BACKGROUND: EARTHQUAKE RISK ASSESSMENT
SEISMICITY TECTONIC SETTING & FAULTS EARTHQUAKE HAZARD MODEL
TSUNAMI FAULT RUPTURE TECTONIC DEFORMATION DAMAGE/LOSS FOUNDATION FAILURE EARTHQUAKE DAMAGE/ LOSS SITE AMPLIFICATION DAMAGE/ LOSS GROUND SHAKING LIQUEFACTION DAMAGE/ LOSS DAMAGE/LOSS LANDSLIDES DAMAGE/ LOSS AFTERSHOCKS DAMAGE/ LOSS SEICHE DAMAGE/ LOSS
IMPORTANCE AND VALUE OF STRUCTURE AND CONTENTS LOCATION OF STRUCTURE IMPORTANCE AND VALUE OF STRUCTURE AND CONTENTS EXPOSURE MODEL
QUALITY OF DESIGN AND CONSTRUCTION ADEQUACY OF LATERAL-FORCE RESISTING SYSTEM VULNERABILITY MODEL
UNREINFORCED MASONRY, BRICK OR STONE REINFORCED CONCRETE WITH UNREINFORCED WALLS CONSTRUCTION MATERIALS HAVE DIFFERENT VULNERABILITIES TO GROUND SHAKING 35 30 25 20 15 10 5 MEAN DAMAGE RATIO, % OF REPLACEMENT VALUE REINFORCED CONCRETE WITH REINFORCEDWALLS STEEL FRAME ALL METAL & WOOD FRAME V VI VII VIII IX INTENSITY
INADEQUATE RESISTANCE TO HORIZONTAL GROUND SHAKING CAUSES OF DAMAGE INADEQUATE RESISTANCE TO HORIZONTAL GROUND SHAKING SOIL AMPLIFICATION PERMANENT DISPLACEMENT (SURFACE FAULTING & GROUND FAILURE) IRREGULARITIES IN ELEVATION AND PLAN EARTHQUAKES “DISASTER LABORATORIES” FIRE FOLLOWING RUPTURE OF UTILITIES LACK OF DETAILING AND CONSTRUCTION MATERIALS INATTENTION TO NON-STRUCTURAL ELEMENTS
ROME: MAY 11, 2011 CON-SIDERED AN OMINOUS DATE One in five residents of Rome stayed off work and children were kept out of school over fears fueled by an earthquake prediction by seismologist Raffaele Bendandi: namely that "the big one" would strike on May 11, 2011.