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

Detailed Seamount Information
Marokau Atoll

IndexSMNT-181S-1423W ClassificationIntermediate A1 Atoll
Location18º 07.25' S
142º 14.94' W
Elongation
Irregularity
1.47 ± 0.01
1.16 ± 0.15
Plate Age46.7 - 48.9 Ma Oceanic ProvinceAbyssal Plateau
RegionTuamotu Seamount Trail Alternative Names
PlatePacific Plate Age 
Tectonic SettingHotspot Trail Seamount Top0 m
Volume8641 km3 Ocean Bottom3490 m
Shelf Edge
  Volcanic Activity 
Description
Marokau Atoll is located at 18¿ 7.2' S, 142¿ 14.9' W and is part of the Tuamotu Seamount Trail on the Pacific Plate. It is 3490 m high with the top at sealevel and ocean bottom at -3490 m. The seamount is intermediate in size with a volume of 8641 km3. It is relatively round and smooth with little elongation or irregularity. The azimuth is at approximately 148¿.
BATHYMETRIC MAPS  [ 4 SEAMOUNT MAPS AND 2 REGIONAL MAPS ] Click to collapse

Marokau Atoll -- Multibeam data merged with predicted satellite bathymetry
Marokau Atoll -- Multibeam bathymetry
Marokau Atoll -- Predicted satellite bathymetry
Marokau Atoll -- Residual bathymetry


Tuamotu Seamount Trail -- Multibeam bathymetry

Tuamotu Seamount Trail -- Predicted satellite bathymetry
GRID FILES  [ 4 SEAMOUNT FILES AND 2 REGIONAL FILES ] Click to expand
MULTIBEAM RAW DATA FILES  [ 4 FILES ] Click to expand
MORPHOLOGY ANALYSIS Click to expand
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