Raraka Atoll |    |
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Index | SMNT-162S-1449W |
Classification | Small A1 Atoll |
Location | 16º 10.62' S 144º 53.88' W |
Elongation Irregularity | 1.19 ± 0.03 1.02 ± 0.00 |
Plate Age | 51.8 - 53.8 Ma |
Oceanic Province | Abyssal Plateau |
Region | Tuamotu Seamount Trail |
Alternative Names | |
Plate | Pacific Plate |
Age | |
Tectonic Setting | Hotspot Trail |
Seamount Top | 70 m |
Volume | 2159 km3 |
Ocean Bottom | 1365 m |
Shelf Edge
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Volcanic Activity | |
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 | Description | Raraka Atoll is located at 16¿ 10.6' S, 144¿ 53.9' W and is part of the Tuamotu Seamount Trail on the Pacific Plate. It is 1295 m high with the top at -70 m and ocean bottom at -1365 m. The seamount is fairly small with a volume of 2158 km3. It is relatively round and smooth with little elongation or irregularity. The azimuth is at approximately 75¿. |
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Raraka Atoll -- Multibeam data merged with predicted satellite bathymetry |
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Raraka Atoll -- Multibeam bathymetry |
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Raraka Atoll -- Predicted satellite bathymetry |
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Raraka Atoll -- Residual bathymetry |
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Tuamotu Seamount Trail -- Multibeam bathymetry |
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Tuamotu Seamount Trail -- Predicted satellite bathymetry |
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Raraka Atoll -- Multibeam data merged with predicted satellite bathymetry |
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Raraka Atoll -- Multibeam bathymetry |
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Raraka Atoll -- Predicted satellite bathymetry |
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Raraka Atoll -- Residual bathymetry |
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Tuamotu Seamount Trail -- Multibeam bathymetry |
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Tuamotu Seamount Trail -- Predicted satellite bathymetry |
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Depth |
Azimuth |
Area |
Length |
Width |
Elongation |
Contour |
Ellipse |
Irregularity |
|
m |
degrees |
km2 |
km |
km |
ratio |
km |
km |
ratio |
|
|
588 |
81.3 |
996.6 |
39.4 |
34.0 |
1.160 |
113.9 |
112.4 |
1.014 |
718 |
75.1 |
1133.5 |
42.5 |
35.8 |
1.185 |
121.9 |
120.0 |
1.016 |
847 |
69.8 |
1285.8 |
46.0 |
37.6 |
1.224 |
131.0 |
128.1 |
1.023 |
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11 % Multibeam Coverage |
1.19 ± 0.03 |
1.02 ± 0.00 |
1295 m High |
1 Summit |
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