 Tofe Tolu Seamount |    |
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| Index | SMNT-007N-1732E |
Classification | Very Small B3 Seamount |
| Location | 0º 43.47' N
173º 14.21' E |
Elongation
Irregularity | 2.17 ± 0.71
1.38 ± 0.37 |
| Plate Age | 135.8 - 136.2 Ma |
Oceanic Province | Abyssal Plain |
| Region | Gilberts Ridge |
Alternative Names | |
| Plate | Pacific Plate |
Age | |
| Tectonic Setting | Hotspot Trail |
Seamount Top | 1395 m |
| Volume | 590 km3 |
Ocean Bottom | 3770 m |
Shelf Edge
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Volcanic Activity | Extinct |
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| | Description | | Tofe Tolu Seamount is located at 0¿ 43.4' N, 173¿ 14.1' E and is part of the Gilberts Ridge region on the Pacific Plate. The seamount is 2626 m high with the top at -1500 m and the ocean bottom at -4126 m. It has a volume of 578 km3 and is elongated in a north, south direction with an azimuth of approximately 144¿. Two rifts can be seen radiating out to the northeast. The seamount is on the edge of a raised plateau, which it shares with Mauga Umi Seamount. The slopes on the western side and eastern edge of Tofe Tolu are effected by the plateau. |
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Tofe Tolu Seamount -- Multibeam data merged with predicted satellite bathymetry |
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Tofe Tolu Seamount -- Multibeam bathymetry |
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Tofe Tolu Seamount -- Predicted satellite bathymetry |
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Tofe Tolu Seamount -- Residual bathymetry |
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Gilberts Ridge -- Multibeam data merged with predicted satellite bathymetry |
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Gilberts Ridge -- Multibeam bathymetry |
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Gilberts Ridge -- Predicted satellite bathymetry |
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Gilberts Ridge -- Residual bathymetry |
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Tofe Tolu Seamount -- Multibeam data merged with predicted satellite bathymetry |
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Tofe Tolu Seamount -- Multibeam bathymetry |
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Tofe Tolu Seamount -- Predicted satellite bathymetry |
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Tofe Tolu Seamount -- Residual bathymetry |
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Gilberts Ridge -- Multibeam data merged with predicted satellite bathymetry |
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Gilberts Ridge -- Multibeam bathymetry |
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Gilberts Ridge -- Predicted satellite bathymetry |
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Gilberts Ridge -- Residual bathymetry |
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High resolution 40Ar/39Ar ages for the Gilberts Ridge: sample AVON2-7-1 -- graphs, spreadsheet |
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High resolution 40Ar/39Ar ages for the Gilberts Ridge: sample AVON2-7-2 -- graphs, spreadsheet |
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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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| 2108 |
158.4 |
20.7 |
8.1 |
3.4 |
2.391 |
19.5 |
18.4 |
1.061 |
| 2345 |
152.8 |
35.6 |
12.4 |
4.5 |
2.744 |
32.4 |
25.2 |
1.290 |
| 2583 |
113.9 |
115.6 |
18.4 |
13.4 |
1.376 |
69.0 |
38.8 |
1.777 |
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| 58 % Multibeam Coverage |
2.17 ± 0.71 |
1.38 ± 0.37 |
| 2375 m High |
| 1 Summit |
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