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U.S. Coastal Relief Model - Hawaii
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless... -
U.S. Coastal Relief Model - Central Pacific
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless... -
null Sicily, Italy Images
This transitional shield-to-stratovolcano in northeastern Sicily has released lava flows more than 150 times since activity was first recorded in 1500 B.C. -
Geomagnetic Components D, H, X, Y, Z, and R 10-second Instantaneous Measurements
These data are generated as part of the International Magnetospheric Study. The file consists of 10-second instantaneous measurements for the geomagnetic components D, H, X, Y,... -
Ionospheric Digital Database
The ionosphere is that part of the Earth's atmosphere that results mainly from the photo ionization of the upper atmosphere. Traditionally, the following ionospheric regions and... -
U.S. Coastal Relief Model - Central Gulf of Mexico
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless... -
Southwest Florida Shelf Ecosystems Analysis Study
The Southwest Florida Shelf Ecosystems Analysis Study produced grain size analyses in the historic 073 format for 299 sea floor samples collected from October 25, 1980 to... -
2007 Solomon Islands, Papua New Guinea Images
An earthquake measuring 8.1 struck 345 kilometers northwest of the Solomon Islands' capital Honiara at 0740 local time on 2 April. (2040 GMT 1 April). The earthquake created a... -
Elfin Cove Alaska Coastal Digital Elevation Model
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami... -
Global Significant Volcanic Eruptions Database, 4360 BC to present
The Significant Volcanic Eruptions Database is a global listing of over 600 eruptions from 4360 BC to the present. A significant eruption is classified as one that meets at... -
San Juan Islands, Washington Coastal Digital Elevation Model
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated bathymetric-... -
Prince William Sound, Alaska Coastal Digital Elevation Model
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami... -
Age, spreading rates, and spreading asymmetry of the world's ocean crust
The authors present four companion digital models of the age, age uncertainty, spreading rates and spreading asymmetries of the world's ocean basins as geographic and Mercator... -
Southwestern Washington 36 arc-second DEM
The 36-second Southwest Washington Elevation Grid provides bathymetric data in ASCII raster format of 36-second resolution in geographic coordinates. This grid is strictly for... -
Sand Point, Alaska MHW Coastal Digital Elevation Model
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated bathymetric-... -
Izmit (Kocaeli) Turkey Earthquake, August 17 1999, Set 2, Structural Damage
On August 17, 1999, at 3:01 A.M. local time (00:01:39.8 UTC) a magnitude (Mw) 7.4 earthquake occurred along the westernmost North Anatolian fault. The earthquake epicenter was... -
Tsunamis - General
Tsunami is a Japanese word meaning harbor wave. It is a water wave or a series of waves generated by an impulsive vertical displacement of the surface of the ocean or other body... -
DST Indices - Reflection Variations in the Magnetospheric Tail Current and...
The file is comprised of monthly DST indices. These indices are derived from a network of eight stations in the equatorial latitudes. Hourly DST indices provide an index of... -
U.S. Coastal Relief Model - Puerto Rico
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless... -
U.S. Coastal Relief Model - Central Pacific
NGDC's U.S. Coastal Relief Model (CRM) provides the first comprehensive view of the U.S. coastal zone integrating offshore bathymetry with land topography into a seamless...