MAGNITUDE 8'0 EARTHQUAKE STRIKES PERU

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MAGNITUDE 8.0 EARTHQUAKE STRIKES PERU

• 15 AUGUST 2007
• (A HOLY DAY)
• 640 PM

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SOCIOECONOMIC IMPACTS

• ONE-FOURTH OF BUILDING STOCK IN ICA, A TOWN OF
  120,000, WAS DESTROYED AND 60 PERCENT DAMAGED.
• PAN AMERICAN HIGHWAY WAS DAMAGED
• ELECTRICITY, WATER, AND PHONE SERVICES WERE
  DISRUPTED.
• AT LEAT 510 DEAD
• OVER 1500 INJURED

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SOCIOECONOMIC IMPACTS (Continued)

• MOST OF THE DEATHS OCCURRED IN CHURCHES WHERE
  PEOPLE WERE ATTENDING SPECIAL SERVICES.
• 600 PRISONERS ESCAPED AFTER A PENITENTIARY IN
  CHINCHA COLLAPSED.

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PHYSICS OF THE EARTHQUAKE

• M 8.0 (Revised upward from initial value of 7.9)
• OCCURRED IN SUBDUCTION ZONE OF NAZCA AND SOUTH
  AMERICAN TECTONIC PLATES
• 35 KM (20 MI) DEPTH
• 100 KM (62 MI) FAULT RUPTURE

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PHYSICS OF THE EARTHQUAKE (Continued)

• DURATION OF SHAKINGABOUT 2 MINUTES
• A TSUNAMI WARNING WAS ISSUED IMMEDIATELY, BUT
  ONLY A SMALL TSUNAMI CAUSING WAVE RUNUP IN JAPAN
  WAS GENERATED.
• A STRONG AFTERSHOCK SEQUENCE WITH MANY M5 AND M6
  QUAKES WAS TRIGGERTED BY THE MAIN SHOCK.

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DESTRUCTION CENTERED AROUND ICA, 200 KM (125 MI)
FROM LIMA
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LOCATION OF ICA
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CONVERGENCE OF NAZCA-SOUTH AMERICAN TECTONIC
PLATES
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CONVERGENCE OF 3 CM PER YEAR
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DAMAGE IN ICA
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DAMAGE IN ICA
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DAMAGE IN ICA
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DAMAGE IN SAN JUAN DED LURIGANCHO
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DAMAGE TO PAN AMERICAN HIGHWAY
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INITIAL NATIONAL AND INTERNATIONAL ASSISTANCE

• PERUS CIVIL DEFENSE INSTITUTE ESTABLISHED AN AIR
  BRIDGE BETWEEN LIMA AND PISCO.
• PERUS RED CROSS WAS AVAILABLE TO RESPOND
  IMMEDIATELY, BUT RESPONSE WAS SLOW DUE TO DAMAGE
  TO HIGHWAY SYSTEMS.
• COLUMBIAN PRESIDENT, ALVARO URIBE, PLEDGED TO GO
  AND ASSIST PERSONALLY.
• US AID PROVIDED INITIAL AID OF 100,000 CASH.
• US NAVY HOSPITAL SHIP, USNS COMFORT, NOW IN
  ECUADOR, BEING MADE AVAILABLE.