Guguan Island

[ Bathymetry | Backscatter | Optical Validation | Geomorphology ]

Guguan is a dormant volcanic island located at latitude 17 19’N, longitude 145 50’E, approximately 185 km north of Saipan. It is 3 km long and 2 km wide with an area of approximately 4 km2 and a maximum elevation of 287 m. … Guguan has an eroded volcano on the south, a caldera with a post-caldera cone and a northern volcano, which has a breached summit crater that fed lava flows to the west.  The only known eruption took place between 1882 and 1884 and produced the northern volcano and lava flows that reached the coast. 

Click thumbnail maps below to explore PIBHMC’s data sets.

Bathymetry

Small Guguan 10meter grid image.

Small Guguan 10meter grid image.

Benthic Habitat Data

Bathymetry

Zipped data files contain 1) grid data file (GMT or ASCII), 2) high-res JPG of image, and 3) explanatory metadata text file (identical to linked file listed below).
* Ikonos imagery & USGS Digital Ortho Quarter Quads NOT included with download.

10m grid data

For Backscatter Data, please vist here.

  • View: Metadata
    2003 | Map
  • Download: Shapefiles, JPG & metadata
    2003

Zipped data files contain 1) Arc ASCII file, 2) layer (.lyr) file for symbology, 3) high-res JPG of image, and 4) explanatory metadata text file (identical to linked file listed below).

10m grid data