Mapping Program

Puna Ridge Survey

The Puna Ridge survey was conducted to obtain higher-resolution bathymetry than previously available from SeaBeam surveys (Clague et al., 1994, 1995). The new bathymetry shows details such as cones with craters at 3,000 meters depth. Several cones along the shallow part of the rift zone are flat-topped cones (Clague et al., 1999, in press), but most of the volcanic vents are small cones with craters or linear ridges parallel to the rift. Several low cones with large craters occur in shallow water and may have formed by hydromagmatic explosive eruptions. The evolution of Hawaiian rift zones, based on these Simrad surveys, is briefly discussed in Reynolds et al. (1998).

Survey Detail

punamap.jpg (305325 bytes)

Data locations listed below, or click on name to download.

MBARI provides these data "as is", with no warranty, express or implied, of the data quality or consistency. Data are provided without support and without obligation on the part of the Monterey Bay Aquarium Research Institute to assist in its use, correction, modification, or enhancement.

(Grid Cell Size)
Grid Sun Illuminated Image Acoustic Reflectivity Image
(at 1/2 grid cell size)
hilo2puna 20meters grids\hilo2puna.asc.gz geoTIFFS\sunshade\hilo2puna.tif geoTIFFS\backscatter\hilo2puna.tif
hilo2punb 20meters grids\hilo2punb.asc.gz geoTIFFS\sunshade\hilo2punb.tif geoTIFFS\backscatter\hilo2punb.tif
punaa 30meters grids\punaa.asc.gz geoTIFFS\sunshade\punaa.tif geoTIFFS\backscatter\punaa.tif
punab 30meters grids\punab.asc.gz geoTIFFS\sunshade\punab.tif geoTIFFS\backscatter\punab.tif
punac 20meters grids\punac.asc.gz geoTIFFS\sunshade\punac.tif geoTIFFS\backscatter\punac.tif
punad 10meters grids\punad.asc.gz geoTIFFS\sunshade\punad.tif geoTIFFS\backscatter\punad.tif

Click on thumbnail to view larger image

Map view 1

Map view 2

Oblique view 1

Oblique view 2

Index Map Haleakala Hilo Kohala Loihi  Mahukona  Moloka`i  Ni`ihau  Papa`u Puna Ridge

Last updated: Oct. 02, 2013