Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA
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Transcript of Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA
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SOLOMON ISLANDS EARTHQUAKE GENERATES SMALL BUT DEADLY
TSUNAMI IN SOUTH PACIFIC FEBRUARY 6, 2013
M8.0
Walter Hays, Global Alliance for Disaster Reduction, Vienna,
Virginia, USA
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LOCATION OF EARTHQUAKE: February 6, 2013
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SEISMICITY NEAR EPICENTER OF EARTHQUAKE
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THE TSUNAMI: SMALL, BUT DEADLY
A powerful earthquake off the Solomon Islands generated a tsunami up to 1.5 metres (5ft) high that damaged dozens of homes and left several people missing, or presumed dead near the town of Lata in the Santa Cruz Islands.
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THE TSUNAMI WARNING WAS CANCELLED FOR DISTANT LOCATIONS
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PAST SOUTH PACIFIC TSUNAMI
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TSUNAMI STRIKES AMERICAN SAMOA
A M8.3 EARTHQUAKE IN THE PACIFIC GENERATES 9 M TSUNAMI WAVE
RUNUP
September 29, 2009
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LOCATION
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AMERICAN SAMOA’S ROSE ISLAND: A PART OF ROSE ATOLL
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ANATOMY OF A TSUNAMI
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THE EARTHQUAKE
• The earthquake struck 125 miles south of Apia, Samoa and about 139 miles southwest of Pago Pago on American Samoa.
• The tremor, which struck at 6.48 a.m. local time, had a shallow depth of about 11.2 miles, making it more destructive.
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PACIFIC TSUNAMI WARNING CENTER
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PACIFIC TSUNAMI WARNING CENTER
• A warning was issued immediately for American Samoa, Samoa, Niue, Wallis-Futuna, Tokelau, Cook Islands, Tonga, Tuvalu, Kiribati, Kermadec Islands, Fiji, Howland-Baker, Jarvis Island, New Zealand, French Polynesia, Palmyra Island, Vanuatu, Nauru, Marshall Island, the Solomon Islands, Johnston Island, New Caledonia, Kosrae, Papua New Guinea, Pohnpei, and Wake Island
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IMPACTS: FAGATOGO; VERTICAL EVACUATION
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IMPACTS ON AMERICAN SAMOA
• Samoa and American Samoa (population of 180,000), both located about 130 miles from the earthquake epicenter, experienced the worst effects.
• Some villages on American Samoa were destroyed by tsunami wave runup.
• Early estimates of at least 200 deaths.
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AMERICAN SAMOA
• In the harbor of Pago Pago, on American Samoa, one tsunami wave reached a height of at least 13.1 foot (4 meter), according to the Pacific Tsunami Warning Center.
• Some witnesses described one of the tsunamis to be as high as 30 feet (9.1 meter).
•
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IMPACTS: PAGO PAGO
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IMPACTS: PAGO PAGO
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IMPACTS: PAGO PAGO
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IMPACTS: FAGATOGO
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IMPACTS: FAGATOGO
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IMPACTS: SIUMU
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IMPACTS: LEONE
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ASSISTANCE
• Australia immediately offered assistance.
• The US Coast Guard developed a comprehensive response to meet emerging needs.