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Metadata for the Volcanoes Map Layer
Volcanoes: Map Layer Description File
This map layer shows the locations of volcanoes throughout North America thought to be
active in the last 10,000 years. The data included in this map layer is a subset of data
available on the World Wide Web from the Global Volcanism Program, National Museum of Natural History, Smithsonian Institution.
Metadata
What follows is very detailed technical information about this map layer. This is often
called metadata. Metadata (or "data about data") describe the content, quality,
condition, and other characteristics of data. Metadata are used to organize and maintain
investments in data, to provide information to data catalogs and clearinghouses, and to
aid data transfers. The Federal Geographic Data Committee
(FGDC) publishes the Content Standard
for Digital Geospatial Metadata. Many organizations within and outside of the federal
government have adopted the FGDC metadata standard and are using automated indexing and
serving mechanisms to provide access to their holdings through the Internet. Visit the FGDC Clearinghouse to
learn more about how metadata is used in clearinghouses and to search for other data sets.
- Identification Information:
-
- Citation:
- Citation_Information:
- Originator: U.S. Geological Survey
- Publication_Date: 1996
- Title: Volcanoes
- Publication_Information:
- Publication_Place: Reston, Virginia
- Publisher: U.S. Geological Survey
-
- Description:
- Abstract:
- This data set includes volcanoes thought to be active in the last 10,000 years, in and
near the United States. Attributes are only attached to volcanoes in the United States and
Canada. The data are a subset of data available on the World Wide Web at: <http://www.volcano.si.edu/gvp/volcdata/index.htm>
from the Global Volcanism Program, National Museum of Natural History, Smithsonian
Institution.
- Purpose:
- The digital data sets of the National Atlas are used to create electronic and hard copy
maps that depict various aspects of the nation. The data can be used to conduct geographic
analysis on national and large regional scales. The digital data will provide a basis from
which future revisions of the atlas can be derived.
- Supplemental_Information:
- Revisions: 1) 2/26/98 - Attributes were added to the U.S., Canada, and selected offshore
volcanoes. 2) 6/29/98 - Corrected ellipsoid name from WGS84 to GRS1980 and changed
flattening ratio. 3) 11/13/98 - Added attribute for State FIPS code.
- Time_Period_of_Content:
- Time_Period_Information:
- Single_Date/Time:
- Calendar_Date: 1993
- Currentness_Reference: publication date
-
- Status:
- Progress: Complete
- Maintenance_and_Update_Frequency: Irregular
-
- Spatial_Domain:
- Bounding_Coordinates:
- West_Bounding_Coordinate: 172
- East_Bounding_Coordinate: -66
- North_Bounding_Coordinate: 72
- South_Bounding_Coordinate: 18
-
- Keywords:
- Theme:
- Theme_Keyword_Thesaurus: None
- Theme_Keyword: volcanoes
- Theme_Keyword: eruptions
- Place:
- Place_Keyword_Thesaurus:
- U.S. Department of Commerce, 1995, Countries, dependencies, areas of special
sovereignty, and their principal administrative divisions (Federal Information Processing
Standard (FIPS) 10-4): Washington, D.C., National Institute of Standards and Technology.
- Place_Keyword: United States
- Place_Keyword: Canada
-
- Place:
- Place_Keyword_Thesaurus: None
- Place_Keyword: USA
- Place_Keyword: Alaska
- Place_Keyword: Alabama
- Place_Keyword: Arkansas
- Place_Keyword: Arizona
- Place_Keyword: California
- Place_Keyword: Colorado
- Place_Keyword: Connecticut
- Place_Keyword: Delaware
- Place_Keyword: Florida
- Place_Keyword: Georgia
- Place_Keyword: Hawaii
- Place_Keyword: Idaho
- Place_Keyword: Iowa
- Place_Keyword: Illinois
- Place_Keyword: Indiana
- Place_Keyword: Kansas
- Place_Keyword: Kentucky
- Place_Keyword: Louisiana
- Place_Keyword: Maine
- Place_Keyword: Massachusetts
- Place_Keyword: Maryland
- Place_Keyword: Michigan
- Place_Keyword: Minnesota
- Place_Keyword: Missouri
- Place_Keyword: Mississippi
- Place_Keyword: Montana
- Place_Keyword: North Carolina
- Place_Keyword: North Dakota
- Place_Keyword: Nebraska
- Place_Keyword: New Hampshire
- Place_Keyword: New Jersey
- Place_Keyword: New Mexico
- Place_Keyword: Nevada
- Place_Keyword: New York
- Place_Keyword: Ohio
- Place_Keyword: Oklahoma
- Place_Keyword: Oregon
- Place_Keyword: Pennsylvania
- Place_Keyword: Rhode Island
- Place_Keyword: South Carolina
- Place_Keyword: South Dakota
- Place_Keyword: Tennessee
- Place_Keyword: Texas
- Place_Keyword: United States
- Place_Keyword: Utah
- Place_Keyword: Vermont
- Place_Keyword: Virginia
- Place_Keyword: Wisconsin
- Place_Keyword: Washington
- Place_Keyword: West Virginia
- Place_Keyword: Wyoming
-
- Access_Constraints: None
-
- Use_Constraints:
- None. These data are provisional National Atlas of the United States data sets and will
be modified for future versions of the National Atlas. Acknowledgment of the Smithsonian
Institution, Global Volcanism Program and National Atlas of the United States would be
appreciated in products derived from these data.
- Point_of_Contact:
- Contact_Information:
- Contact_Person_Primary:
- Contact_Person: Bruce Wright
- Contact_Organization: U.S. Geological Survey
- Contact_Address:
- Address_Type: mailing address
- Address: 521 National Center
- City: Reston
- State_or_Province: VA
- Postal_Code: 20192
- Contact_Voice_Telephone: 703-648-4528
- Contact_Electronic_Mail_Address: bwright@usgs.gov
-
- Native_Data_Set_Environment: ESRI shapefile format
- Data Quality Information:
-
- Logical_Consistency_Report: None
- Completeness_Report:
- This data set includes all volcanoes in and near the United States. No tests for
completeness were performed on this data set.
- Lineage:
- Source_Information:
- Source_Citation:
- Citation_Information:
- Originator: Smithsonian Institution, Global Volcanism Program
- Publication_Date: 1993
- Title: Volcanos of the World
- Publication_Information:
- Publication_Place: Washington, DC
- Publisher: Smithsonian Institution
- Type_of_Source_Media: online
- Source_Time_Period_of_Content:
- Time_Period_Information:
- Single_Date/Time:
- Calendar_Date: 1993
- Source_Currentness_Reference: publication date
- Source_Citation_Abbreviation: VOL
- Source_Contribution: spatial and attribute information
- Process_Step:
- Process_Description:
- The data were converted to an ARC/INFO coverage using the "GENERATE" command
in ESRI's ARC/INFO GIS software. Data for an area around the United States were clipped.
Attributes for the United States and Canadian volcanoes were attached. Tics were added and
the data were converted to Lambert Azimuthal Equal Area projection.
- Process_Date: 1998
- Spatial Data Organization Information:
- Direct_Spatial_Reference_Method: Vector
-
- Point_and_Vector_Object_Information:
- SDTS_Terms_Description:
- SDTS_Point_and_Vector_Object_Type: Point
- Point_and_Vector_Object_Count: 267
- Spatial Reference Information:
- Horizontal_Coordinate_System_Definition:
- Geographic:
- Latitude_Resolution: 0.001
- Longitude_Resolution: 0.001
- Geographic_Coordinate_Units: Decimal Degrees
- Geodetic_Model:
- Horizontal_Datum_Name: North American Datum of 1983
- Ellipsoid_Name: GRS1980
- Semi-major_Axis: 6378137
- Denominator_of_Flattening_Ratio: 298.257222
- Entity and Attribute Information:
-
- Detailed_Description:
- Entity_Type:
- Entity_Type_Label: Volcanoes, VOLCANX020.DBF
- Entity_Type_Definition: Not available
- Entity_Type_Definition_Source: Smithsonian Institution
- Attribute:
- Attribute_Label: Shape
- Attribute_Definition:
- The representation of the entity in the data
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Enumerated_Domain:
- Enumerated_Domain_Value: Point
- Enumerated_Domain_Value_Definition:
- 0-dimensional element
- Enumerated_Domain_Value_Definition_Source:
- GIS software
- Attribute:
- Attribute_Label: Area
- Attribute_Definition: The size of the shape in coverage units
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 0.000
- Range_Domain_Maximum: 0.000
- Attribute:
- Attribute_Label: Perimeter
- Attribute_Definition:
- The perimeter of the shape in coverage units
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 0.000
- Range_Domain_Maximum: 0.000
- Attribute:
- Attribute_Label: Volcanx020
- Attribute_Definition: Internal feature number
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 1
- Range_Domain_Maximum: 267
- Attribute:
- Attribute_Label: Volcanx020
- Attribute_Definition: User-assigned feature number
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 249
- Range_Domain_Maximum: 1489
- Attribute:
- Attribute_Label: State
- Attribute_Definition:
- The name of the State in which the volcano is located.
- Attribute_Definition_Source: U.S. Geological Survey
- Attribute_Domain_Values:
- Codeset_Domain:
- Codeset_Name:
- Codes for the Identification of the States, the District of Columbia and the Outlying
Areas of the United States, and Associated Areas, FIPS PUB 5-2.
- Codeset_Source: U.S. Department of Commerce
- Attribute:
- Attribute_Label: State_fips
- Attribute_Definition:
- The Federal Information Processing Standard (FIPS) code used by the U.S. Bureau of the
Census for the State in which the dam is located.
- Attribute_Definition_Source: U.S. Army Corps of Engineers
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 01
- Range_Domain_Maximum: 56
- Attribute:
- Attribute_Label: Number
- Attribute_Definition:
- The volcano number based on a system developed by the Catalog of Active Volcanoes of the
World. The first two digits represent the region, the second two represent the subregion,
a hyphen, and the last two or three represent individual volcanoes in the sub region.
- Attribute_Definition_Source: Smithsonian Institution Global Volcanism Program
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 0000-00
- Range_Domain_Maximum: 1302-09
- Attribute:
- Attribute_Label: Name
- Attribute_Definition: Name of the volcano
- Attribute_Definition_Source: Smithsonian Institution, Global Volcanism Network
- Attribute_Domain_Values:
- Unrepresentable_Domain: There is no predefined set of volcano names.
- Attribute:
- Attribute_Label: Location
- Attribute_Definition: The location of the volcano "subregion".
- Attribute_Definition_Source: Smithsonian Institution, Global Volcanism Program
- Attribute_Domain_Values:
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Aleutian Is, Alaska Peninsula, Alaska-SW, Alaska-W, Alaska-E, Alaska-SE, US-Washington,
US-Oregon, US-California, US-Idaho, US-Wyoming, US-Nevada, US-Utah, US-Colorado,
US-Arizona, US-New Mexico, Pacific-NE, Hawaiian Is, Pacific-E, Pacific-C, Pacific-S.
- Enumerated_Domain_Value_Definition: Subregion names
- Enumerated_Domain_Value_Definition_Source: Smithsonian Institution, Global
Volcanism Program
- Attribute:
- Attribute_Label: Elevation
- Attribute_Definition: Summit elevation in meters
- Attribute_Definition_Source: Smithsonian Institution, Global Volcanism Program
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: -4000
- Range_Domain_Maximum: 5005
- Attribute:
- Attribute_Label: Type
- Attribute_Definition: Shape and size of the volcano (morphology)
- Attribute_Definition_Source: Smithsonian Institution, Global Volcanism Program
- Attribute_Domain_Values:
- Enumerated_Domain:
- Enumerated_Domain_Value:
- Caldera(s), Cinder cone(s), Complex volcano, Explosion volcano, Lava dome(s), Maar(s),
Pyroclastic cone, Shield volcano(es), Stratovolcano(es), Subglacial volcano, Submarine
volcano (?), Tuff ring, Unknown, Volcanic filed
- Enumerated_Domain_Value_Definition: List of types of volcanoes
- Enumerated_Domain_Value_Definition_Source: Smithsonian Institution, Global
Volcanism Program
- Attribute:
- Attribute_Label: Status
- Attribute_Definition: Type of evidence for Holocene activity
- Attribute_Definition_Source: Smithsonian Institution, Global Volcanism Program
- Attribute_Domain_Values:
- Enumerated_Domain:
- Enumerated_Domain_Value: historical
- Enumerated_Domain_Value_Definition:
- An eruption documented during or shortly after observation
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: radiocarbon
- Enumerated_Domain_Value_Definition:
- Technique for dating volcanic evidence
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: anthropology
- Enumerated_Domain_Value_Definition:
- Volcanoes with undated but recent activity described in native legends as well as
activity dated by buried artifacts.
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: Holocene
- Enumerated_Domain_Value_Definition:
- Volcanoes without dated products bu virtually certain to have been active in postglacial
time.
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: Fumarolic
- Enumerated_Domain_Value_Definition:
- Volcanoes characterized by steam and volcanic gas, or fume, reaching the surface.
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: Hot springs
- Enumerated_Domain_Value_Definition:
- Presence of large volume of water compared to steam and gas.
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: Uncertain
- Enumerated_Domain_Value_Definition:
- Volcanoes with possible Holocene activity, but with questionable documentation.
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Attribute:
- Attribute_Label: Time_Code
- Attribute_Definition: Age of the volcanic eruption
- Attribute_Definition_Source: Smithsonian Institution, Global Volcanism Program
- Attribute_Domain_Values:
- Enumerated_Domain:
- Enumerated_Domain_Value: D1
- Enumerated_Domain_Value_Definition: Last known eruption 1964 or later
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: D2
- Enumerated_Domain_Value_Definition: Last known eruption 1900-1963
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: D3
- Enumerated_Domain_Value_Definition: Last known eruption 1800-1899
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: D4
- Enumerated_Domain_Value_Definition: Last known eruption 1700-1799
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: D5
- Enumerated_Domain_Value_Definition: Last known eruption 1500-1699
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: D6
- Enumerated_Domain_Value_Definition: Last known eruption A.D. 1-1499
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: D7
- Enumerated_Domain_Value_Definition: Last known eruption B.C. (Holocene)
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: ?
- Enumerated_Domain_Value_Definition: Undated, but probably Holocene eruption
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Enumerated_Domain:
- Enumerated_Domain_Value: Q
- Enumerated_Domain_Value_Definition:
- Quaternary eruption(s) with the only known Holocene activity being hydrothermal
- Enumerated_Domain_Value_Definition_Source:
- Smithsonian Institution, Global Volcanism Program
- Attribute:
- Attribute_Label: Known_erupts
- Attribute_Definition: Number of known eruptions
- Attribute_Definition_Source: Smithsonian Institution, Global Volcanism Program
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: 0
- Range_Domain_Maximum: 109
- Attribute:
- Attribute_Label: Max_vei
- Attribute_Definition:
- Volcanic explosivity index, an estimate of explosive magnitude of volcanic eruptions.
The VEI is similar to the Richter magnitude scale for earthquakes. It is a simple 0-8
index of increasing explosivity, each interval representing an increase of about a factor
of 10.
- Attribute_Definition_Source:
- Newhall, C.G. and Self, S., 1982, The volcanic explosivity index (VEI): an estimate of
explosive magnitude for historical volcanism: Journal of Geophysical Research, v.87, p.
1231-1238.
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum: -1
- Range_Domain_Maximum: 7
- Distribution Information:
-
- Distributor:
- Contact_Information:
- Contact_Person_Primary:
- Contact_Person: Bruce Wright
- Contact_Organization: U.S.Geological Survey
- Contact_Address:
- Address_Type: mailing address
- Address: 521 National Center
- City: Reston
- State_or_Province: VA
- Postal_Code: 20192
- Contact_Voice_Telephone: 703-648-4528
- Contact_Electronic_Mail_Address: bwright@usgs.gov
-
- Distribution_Liability:
- Although these data have been processed successfully on a computer system at the U.S.
Geological Survey, no warranty expressed or implied is made by the USGS regarding the
utility of the data on any other system, nor shall the act of distribution constitute any
such warranty.
- Metadata Reference Information:
-
- Metadata_Date: 19981113
- Metadata_Contact:
- Contact_Information:
- Contact_Person_Primary:
- Contact_Person: Bruce Wright
- Contact_Organization: U.S. Geological Survey
- Contact_Address:
- Address_Type: mailing address
- Address: 521 National Center
- City: Reston
- State_or_Province: VA
- Postal_Code: 20192
- Contact_Voice_Telephone: 703-648-4528
- Contact_Electronic_Mail_Address: bwright@usgs.gov
- Metadata_Standard_Name:
- FGDC Content Standards for Digital Geospatial Metadata
- Metadata_Standard_Version: FGDC-STD-001-1998
- Metadata_Security_Information:
- Metadata_Security_Classification_System: None
- Metadata_Security_Classification: Unclassified
- Metadata_Security_Handling_Description: None
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