Seamount Catalog -- Ta'u Island -- Samoan Hotspot Trail

Detailed Seamount Information

Index	SMNT-142S-1696W	Classification	Intermediate B4 Island
Location	14º 14.40' S 169º 27.60' W	Elongation Irregularity	2.63 ± 0.36 1.40 ± 0.08
Plate Age		Oceanic Province
Region	Samoan Hotspot Trail	Alternative Names	Manua Tele, Olosega, Ofu, Olesega
Plate	Pacific Plate	Age
Tectonic Setting	Hotspot Trail	Seamount Top	300 m
Volume	9009 km³	Ocean Bottom	4018 m
Shelf Edge		Volcanic Activity	Extinct


Description
Ta'u Volcanic Island is located at 14¿ 11.7' S, 169¿ 36.1' W and is part of the Samoan Hotspot region on the Pacific Plate. It is 3718 m high with the top at -300 m and the ocean bottom at -4018 m. Ta'u is intermediate in size with a volume of 9009 km3. It is elongated in a east, west direction with an azimuth of approximately 108¿. The edges are slightly irregular and three rifts are seen along the eastern end of Ta'u. This seamount was not surveyed completely and more rifts could not be seen. The top surface is irregular with several high points rather than a single peak.


	Ta'u Island -- Multibeam data merged with predicted satellite bathymetry
	Ta'u Island -- Multibeam bathymetry
	Ta'u Island -- Predicted satellite bathymetry
	Ta'u Island -- Residual bathymetry

	American Samoa -- Multibeam data merged with predicted satellite bathymetry
	American Samoa -- Multibeam bathymetry
	American Samoa -- Predicted satellite bathymetry
	American Samoa -- Residual bathymetry
	Samoan Hotspot Trail -- Multibeam bathymetry
	Samoan Hotspot Trail -- Predicted satellite bathymetry
	Samoan Hotspot Trail -- Tile 1 -- Multibeam data merged with predicted satellite bathymetry
	Samoan Hotspot Trail -- Tile 1 -- Multibeam bathymetry
	Samoan Hotspot Trail -- Tile 1 -- Predicted satellite bathymetry
	Samoan Hotspot Trail -- Tile 1 -- Residual bathymetry