Seamount Catalog
Development and Maintenance by the EarthRef.org Database Team

Detailed Seamount Information
Needle Seamount

IndexSMNT-252S-1009W ClassificationSmall A4 Seamount
Location25º 11.57' S
100º 54.22' W		 Elongation
Irregularity		2.77 ± 0.10
1.02 ± 0.05
Plate Age14.0 - 14.4 Ma Oceanic ProvinceAbyssal Plain
RegionSala y Gomez Seamount Trail Alternative NamesIgolnaya
PlateNazca Plate Age 
Tectonic SettingHotspot Trail Seamount Top260 m
Volume2149 km3 Ocean Bottom2970 m
Shelf Edge
  Volcanic Activity 
Description
Needle Seamount is located at 25¿ 11.6' S, 259¿ 5.8' E and is part of the Sala y Gomez region on the Nazca Plate. It is 2710 m high with the top at -260 m and ocean bottom at -2970 m. The seamount is fairly small with a volume of 2149 km3. It is elongated in a east, west direction with an azimuth of approximately 90¿. The edges of the seamount are fairly smooth having little irregularity.
BATHYMETRIC MAPS  [ 4 SEAMOUNT MAPS AND 0 REGIONAL MAPS ] Click to collapse
Needle Seamount -- Multibeam data merged with predicted satellite bathymetry
Needle Seamount -- Multibeam bathymetry
Needle Seamount -- Predicted satellite bathymetry
Needle Seamount -- Residual bathymetry
GRID FILES  [ 4 SEAMOUNT FILES AND 4 REGIONAL FILES ] Click to expand
MORPHOLOGY ANALYSIS Click to expand
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