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| Detailed Seamount Information |
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| Manatu Seamount |    |
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| Index | SMNT-134S-1792W |
Classification | Small E2 Seamount |
| Location | 13º 23.77' S
179º 16.21' W |
Elongation
Irregularity | 1.93 ± 0.42
2.12 ± 0.22 |
| Plate Age | |
Oceanic Province | Abyssal Plain |
| Region | Samoan Hotspot Trail |
Alternative Names | |
| Plate | Pacific Plate |
Age | |
| Tectonic Setting | Hotspot Trail |
Seamount Top | 470 m |
| Volume | 1560 km3 |
Ocean Bottom | 2060 m |
Shelf Edge
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Volcanic Activity | Extinct |
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| | Description | | Manatu Seamount is located at 13¿ 23.8' S, 179¿ 16.2' W and is part of the Samoan Hotspot Trail on the Pacific Plate. The seamount is 1590 m high with the top at -470 m and the ocean bottom at -2060 m. It is fairly small with a volume of 1560 km3. The seamount is slightly elongated in a southeast, northwest direction with an azimuth of approximately 140¿. The edges of the seamount are highly irregular. |
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Manatu Seamount -- Multibeam data merged with predicted satellite bathymetry |
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Manatu Seamount -- Multibeam bathymetry |
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Manatu Seamount -- Predicted satellite bathymetry |
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Manatu Seamount -- Residual bathymetry |
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Samoan Hotspot Trail -- Multibeam bathymetry |
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Samoan Hotspot Trail -- Predicted satellite bathymetry |
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Samoan Hotspot Trail -- Tile 3 -- Multibeam data merged with predicted satellite bathymetry |
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Samoan Hotspot Trail -- Tile 3 -- Multibeam bathymetry |
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Samoan Hotspot Trail -- Tile 3 -- Predicted satellite bathymetry |
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Samoan Hotspot Trail -- Tile 3 -- Residual bathymetry |
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Manatu Seamount -- Multibeam data merged with predicted satellite bathymetry |
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Manatu Seamount -- Multibeam bathymetry |
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Manatu Seamount -- Predicted satellite bathymetry |
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Manatu Seamount -- Residual bathymetry |
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Samoan Hotspot Trail -- Multibeam bathymetry |
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Samoan Hotspot Trail -- Predicted satellite bathymetry |
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Samoan Hotspot Trail -- Tile 3 -- Multibeam data merged with predicted satellite bathymetry |
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Samoan Hotspot Trail -- Tile 3 -- Multibeam bathymetry |
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Samoan Hotspot Trail -- Tile 3 -- Predicted satellite bathymetry |
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Samoan Hotspot Trail -- Tile 3 -- Residual bathymetry |
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Sinton, J.M., Johnson, K.T.M. and Price, R.C. (1985). Petrology and geochemistry of volcanic rocks from the Northern Melanesian Borderland. In: Investigations of the northern Melanesian Borderland. Brocher, T.M. (Editors), Circum-Pacific Council for Energy and Mineral Resources, Houston. 3: 35-65. |
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Brocher, T.M. (1985). On the formation of the Vitiaz Trench lineament and North Fiji Basin. In: Investigations of the northern Melanesian Borderland. Brocher, T.M. (Editors), Circum-Pacific Council for Energy and Mineral Resources, Houston. 3: 13-33. |
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Brocher, T.M. and Holmes, R. (1985). Tectonic and geochemical framework of the Northern Melanesian Borderland; an overview of the KK820316 Leg 2 objectives and results. In: Investigations of the northern Melanesian Borderland. Brocher, T.M. (Editors), Circum-Pacific Council for Energy and Mineral Resources, Houston. 3: 1-11. |
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| Depth |
Azimuth |
Area |
Length |
Width |
Elongation |
Contour |
Ellipse |
Irregularity |
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| m |
degrees |
km2 |
km |
km |
ratio |
km |
km |
ratio |
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| 1106 |
137.3 |
250.5 |
37.7 |
25.4 |
1.482 |
136.5 |
57.7 |
2.364 |
| 1265 |
142.4 |
352.5 |
44.3 |
22.1 |
2.007 |
140.2 |
72.6 |
1.932 |
| 1424 |
140.4 |
485.5 |
50.5 |
21.9 |
2.302 |
181.7 |
88.2 |
2.060 |
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| 22 % Multibeam Coverage |
1.93 ± 0.42 |
2.12 ± 0.22 |
| 1590 m High |
| 3 Summits |
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