Catalog - Data.gov

Bioerosion Accretion Replicate (BAR) data covering in situ calcification and bioerosion rates along pH gradients at two volcanically acidified reefs in Papua New Guinea from 2013-01-18 to 2014-11-10 (NCEI Accession 0156692)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Updated: 2016-10-14T00:00:00.000+00:00 | Harvested: October 03, 2025 at 10:19 PM

Bioerosion Accretion Replicate (BAR) data covering in situ calcification and bioerosion rates along pH gradients at two volcanically acidified reefs in Papua New Guinea. Methodologies, results,...

U-Pb Isotopic Data and Ages of Detrital Zircon and Volcanic Zircon Grains from the Torok and Nanushuk Formations, Arctic Alaska, 2021

Organization: Department of the Interior
Updated: 20250524 | Harvested: September 14, 2025 at 08:56 PM

This dataset contains U-Pb isotopic data and associated ages of zircon grains from 27 sedimentary samples and one volcanic ash sample from the Cretaceous Torok and Nanushuk Formations. Seven...

xml
xml

Historical Significant Volcanic Eruption Locations

Organization: Department of Homeland Security
Updated: 2022-10-24T12:14:40-04:00 | Harvested: June 25, 2025 at 11:03 PM

Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on Historical Significant Volcanic Eruption Locations.

Zircon U-Pb geochronology and whole rock geochemistry for pre-ignimbrite volcanoes within the San Juan locus of the mid-Cenozoic Southern Rocky Mountain volcanic field, Colorado

Organization: Department of the Interior
Updated: 20231011 | Harvested: July 16, 2025 at 07:53 AM

This U.S. Geological Survey (USGS) data release provides whole rock major, minor, and trace element geochemical data and zircon U-Pb geochronology and trace element concentrations for samples from...

xml
xml

Ar isotope data for the Central Plateau Member of the Plateau Rhyolites, Yellowstone Plateau volcanic field

Organization: Department of the Interior
Updated: 20250305 | Harvested: August 06, 2025 at 06:05 PM

At least 28 rhyolitic lava flows, domes, and tuffs erupted within Yellowstone caldera following its formation 631 ka. Understanding the timing of intracaldera eruptions is essential for...

xml
xml

Year 2002 status of coral reefs on the main volcanic islands of American Samoa: a resurvey of long term monitoring sites including benthic communities, fish communities, and key micro invertebrates (NCEI Accession 0001976)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Updated: 2005-01-14T00:00:00.000+00:00 | Harvested: October 13, 2025 at 03:08 AM

This study demonstrates the important role that long term monitoring programs can play in understanding the natural variability and long term trends in the coral reefs of American Samoa. One...

Volcanics in the Gulf Coast [volcanicg]

Organization: Department of the Interior
Updated: 20210525 | Harvested: July 16, 2025 at 01:04 PM

The volcanic provinces are modified after Plate 2, Principal structural features, Gulf of Mexico Basin (compiled by T.E. Ewing and R.F. Lopez) in Volume J, The Geology of North America...

xml
xml

Volcanic Gas Measurements at Mount Cleveland, 14-15 August 2015

Organization: Department of the Interior
Updated: 20200827 | Harvested: July 18, 2025 at 07:55 AM

On 14-15 August 2015, helicopter-based measurements were made of the volcanic gases emitted from Mount Cleveland, AK. An upward-looking differential optical absorption spectroscopy (DOAS) system...

xml
xml

Northern California volcanic-rock aquifers

Organization: Department of the Interior
Updated: 20201117 | Harvested: August 25, 2025 at 08:37 PM

This data set represents the extent of the Northern California volcanic-rock aquifers in California.

xml
xml