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Ocean-floor topography – South Pacific

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Presentation on theme: "Ocean-floor topography – South Pacific"— Presentation transcript:

1

2 Ocean-floor topography – South Pacific

3 Subductions and the NZ Alpine Fault Tonga-Kermadec Trench Macquarie Trench

4 Airphoto NZ Alpine Fault

5 Another tectonic map

6 Geology – New Zealand

7 Christchurch events Sept. 3, 2010 and Feb. 21, 2011 ftp://hazards.cr.usgs.gov/maps/sigeqs/ /NZspecial.jpg

8 Geology Canterbury-Christchurch

9 South Island Faults sense recurrence slip rate

10 Earthquake repetitions on NZ Alpine Fault

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