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Solomon Islands Magnitude 8.0 Earthquake Generates Small But Deadly Tsunami In South Pacific February 6, 2013 . Presentation courtesy of Dr. Walter Hays, Global Alliance for Disaster Reduction
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ANATOMY OF A TSUNAMI
SOLOMON ISLANDS EARTHQUAKE GENERATES SMALL BUT DEADLY
TSUNAMI IN SOUTH PACIFIC FEBRUARY 6, 2013
M8.0
LOCATION OF EARTHQUAKE: February 6, 2013
SEISMICITY NEAR EPICENTER OF EARTHQUAKE
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.
THE TSUNAMI WARNING WAS CANCELLED FOR DISTANT LOCATIONS.
PAST SOITH PACIFIC TSUNAMI
TSUNAMI STRIKES AMERICAN SAMOA
A M8.3 EARTHQUAKE IN THE PACIFIC GENERATES 9 M TSUNAMI WAVE
RUNUP
September 29, 2009
LOCATION
AMERICAN SAMOA’S ROSE ISLAND: A PART OF ROSE ATOLL
ANATOMY OF A TSUNAMI
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.
PACIFIC TSUNAMI WARNING CENTER
PACIFIC TSUNAMI WARNING CENTER
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
IMPACTS: FAGATOGO; VERTICAL EVACUATION
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.
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).
•
IMPACTS: PAGO PAGO
IMPACTS: PAGO PAGO
IMPACTS: PAGO PAGO
IMPACTS: FAGATOGO
IMPACTS: FAGATOGO
IMPACTS: SIUMU
IMPACTS: LEONE
ASSISTANCE
• Australia immediately offered assistance.
• The US Coast Guard developed a comprehensive response to meet emerging needs.
