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Identification_Information:
Citation:
Citation_Information:
Originator: National Atlas of the United States
Publication_Date: 200404
Title: Volcanoes
Publication_Information:
Publication_Place: Reston, VA
Publisher: National Atlas of the United States
Online_Linkage:
<http://nationalatlas.gov/atlasftp.html?openChapters=chpgeol#chpgeol>
Description:
Abstract:
This map layer includes Holocene volcanoes, which are those thought to be active in the last 10,000 years, that are within an extended area of the northern hemisphere centered on the United States. The data are a subset of data available from the Global Volcanism Program, Smithsonian Institution at <http://www.volcano.si.edu/world/>. This file is a replacement for the November 2001 map layer.
Purpose:
These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:2,000,000-scale data. No responsibility is assumed by the National Atlas of the United States in the use of these data.
Supplemental_Information:
Further information on the Global Volcanism Program of the Smithsonian Institution is available at <http://www.volcano.si.edu/>.

A glossary of volcano terminology is available at <http://vulcan.wr.usgs.gov/Glossary/volcano_terminology.html>.

Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2004
Currentness_Reference: Publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: Irregular
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: 120
East_Bounding_Coordinate: 7
North_Bounding_Coordinate: 90
South_Bounding_Coordinate: 10

Keywords:
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificInformation
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Volcanoes
Theme_Keyword: Eruptions
Theme_Keyword: Calderas
Theme_Keyword: Cinder cones
Theme_Keyword: Complex volcanoes
Theme_Keyword: Crater rows
Theme_Keyword: Fissure vents
Theme_Keyword: Fumarole field
Theme_Keyword: Hydrothermal field
Theme_Keyword: Lava domes
Theme_Keyword: Maars
Theme_Keyword: Pyroclastic cones
Theme_Keyword: Scoria cones
Theme_Keyword: Shield volcanoes
Theme_Keyword: Stratovolcanoes
Theme_Keyword: Subglacial volcanoes
Theme_Keyword: Submarine volcanoes
Theme_Keyword: Tuff cones
Theme_Keyword: Tuff rings
Theme_Keyword: Volcanic fields
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Asia
Place_Keyword: Atlantic
Place_Keyword: Canada
Place_Keyword: Caribbean
Place_Keyword: Europe
Place_Keyword: Iceland
Place_Keyword: Mexico
Place_Keyword: United States
Place_Keyword: USA
Place_Keyword: West Indies

Place:
Place_Keyword_Thesaurus:
U.S. Department of Commerce, 1987, Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas (Federal Information Processing Standard (FIPS) 5-2): Washington, DC, National Institute of Standards and Technology.
Place_Keyword: Alabama
Place_Keyword: Alaska
Place_Keyword: Arizona
Place_Keyword: Arkansas
Place_Keyword: California
Place_Keyword: Colorado
Place_Keyword: Connecticut
Place_Keyword: Delaware
Place_Keyword: District of Columbia
Place_Keyword: Florida
Place_Keyword: Georgia
Place_Keyword: Hawaii
Place_Keyword: Idaho
Place_Keyword: Illinois
Place_Keyword: Indiana
Place_Keyword: Iowa
Place_Keyword: Kansas
Place_Keyword: Kentucky
Place_Keyword: Louisiana
Place_Keyword: Maine
Place_Keyword: Maryland
Place_Keyword: Massachusetts
Place_Keyword: Michigan
Place_Keyword: Minnesota
Place_Keyword: Mississippi
Place_Keyword: Missouri
Place_Keyword: Montana
Place_Keyword: Nebraska
Place_Keyword: Nevada
Place_Keyword: New Hampshire
Place_Keyword: New Jersey
Place_Keyword: New Mexico
Place_Keyword: New York
Place_Keyword: North Carolina
Place_Keyword: North Dakota
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: Utah
Place_Keyword: Vermont
Place_Keyword: Virginia
Place_Keyword: Washington
Place_Keyword: West Virginia
Place_Keyword: Wisconsin
Place_Keyword: Wyoming
Place_Keyword: Puerto Rico
Place_Keyword: U.S. Virgin Islands

Access_Constraints: None
Use_Constraints:
None. Acknowledgment of the National Atlas of the United States of America and the Global Volcanism Program, Smithsonian Institution would be appreciated in products derived from these data.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Gita Urban-Mathieux
Contact_Organization: National Atlas of the United States
Contact_Address:
Address_Type: Mailing and physical address
Address: 12201 Sunrise Valley Drive
Address: MS 561
City: Reston
State_or_Province: VA
Postal_Code: 20192
Contact_Voice_Telephone: 703-648-5175
Contact_Electronic_Mail_Address: atlasmail@usgs.gov

Data_Quality_Information:
Logical_Consistency_Report:
No tests for logical consistency were performed on this map layer.
Completeness_Report:
This map layer includes all volcanoes thought to be active in the last 10,000 years in the United States, Canada, Iceland, the West Indies, Mexico, Central America, Europe, and eastern Asia.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Global Volcanism Program, Smithsonian Institution
Publication_Date: 2002
Title: Volcanoes of the World
Publication_Information:
Publication_Place: Washington, DC
Publisher: Smithsonian Institution
Online_Linkage: <http://www.volcano.si.edu/world/globallists.cfm>
Type_of_Source_Media: Online
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2002
Source_Currentness_Reference: Publication date
Source_Citation_Abbreviation: VOL
Source_Contribution: Spatial and attribute information

Source_Information:
Source_Citation:
Citation_Information:
Originator: National Atlas of the United States
Publication_Date: 2002
Title: Shorelines for the National Atlas
Publication_Information:
Publication_Place: Reston, VA
Publisher: National Atlas of the United States
Type_of_Source_Media: Internal file
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2002
Source_Currentness_Reference: Publication date
Source_Citation_Abbreviation: SHORE
Source_Contribution: Geographic extent information

Process_Step:
Process_Description:
The Excel spreadsheet of Volcanoes of the World (VOL) was downloaded from the Global Volcanism Program Web site and converted to a dBASE IV file. West longitude and south latitude values were converted to negative values. The points that are within the geographic extent of the National Atlas SHORE file were extracted. The file was loaded into ArcView and a shapefile was created.
Source_Used_Citation_Abbreviation: VOL
Source_Used_Citation_Abbreviation: SHORE
Process_Date: 200404


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: 722

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.01
Longitude_Resolution: 0.01
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: Volcano (described by volcanx020.dbf)
Entity_Type_Definition:
A vent or opening in the surface of the Earth through which magma erupts; it is also the landform that is constructed by the erupted material. This map layer includes volcanoes thought to be active in the last 10,000 years (Holocene).
Entity_Type_Definition_Source: National Atlas of the United States
Attribute:
Attribute_Label: Shape
Attribute_Definition: The representation of the entity in the data.
Attribute_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Point
Enumerated_Domain_Value_Definition: 0-dimensional element
Enumerated_Domain_Value_Definition_Source: ESRI GIS software
Attribute:
Attribute_Label: Volcanx020
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1
Range_Domain_Maximum: 722
Attribute:
Attribute_Label: Number
Attribute_Definition:
The volcano number, based on a system developed by the Catalog of Active Volcanoes of the World (CAVW), in the format ####-##-. The first two numerals identify the region, the next two identify the subregion, and the last two or three (after the hyphen) identify individual volcanoes in that subregion. When there are three final characters and the last character is "=", the number is the same as that found in the CAVW; where the last character is "-", the number is not found in the CAVW because the region was not numbered in the CAVW or has been renumbered for this map layer; where the last character is a number, the volcano is in an area included in the CAVW but the number is a new one that does not appear in the CAVW. See <http://www.volcano.si.edu/world/globallists.cfm?listpage=summdesc#VolcanoNumber> for more information.
Attribute_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Codeset_Domain:
Codeset_Name: Catalog of Active Volcanoes of the World (CAVW)
Codeset_Source: Global Volcanism Program, Smithsonian Institution
Attribute:
Attribute_Label: Name
Attribute_Definition:
The name of the volcano. See <http://www.volcano.si.edu/world/globallists.cfm?listpage=summdesc#VolcanoName> for more information.
Attribute_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Unrepresentable_Domain: There is no predefined set of valid names.
Attribute:
Attribute_Label: Location
Attribute_Definition:
The location of the volcano by geographical and (or) political area.
Attribute_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Unrepresentable_Domain: There is no predefined set of valid locations.
Attribute:
Attribute_Label: Status
Attribute_Definition: The type of evidence used to determine volcanic activity.
Attribute_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
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: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Dendrochronology
Enumerated_Domain_Value_Definition:
Volcanoes for which dating of eruptions is based on the study of tree ring growth.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Fumarolic
Enumerated_Domain_Value_Definition:
Volcanoes for which evidence of activity is based on steam and volcanic gas, or fume, reaching the surface.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Historical
Enumerated_Domain_Value_Definition:
Volcanoes with eruptions documented during or shortly after observation.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Holocene
Enumerated_Domain_Value_Definition:
Volcanoes without dated products but that are virtually certain to have been active in postglacial time.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Holocene?
Enumerated_Domain_Value_Definition:
Volcanoes without dated products but where there is some certainty that they have been active in postglacial time.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Hot springs
Enumerated_Domain_Value_Definition:
Volcanoes for which evidence of activity is based on a large amount of hot water at the surface.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Hydrophonic
Enumerated_Domain_Value_Definition:
Volcanoes for which evidence of activity and dating is based on hydrophonic methods that use information recorded under water.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Pleistocene-Fumarolic
Enumerated_Domain_Value_Definition:
Volcanoes for which evidence of activity is based on postglacial steam and volcanic gas, or fume, reaching the surface.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Potassium-Argon
Enumerated_Domain_Value_Definition:
Volcanoes for which evidence of activity and dating is based on potassium-argon dating methods.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Radiocarbon
Enumerated_Domain_Value_Definition:
Volcanoes for which evidence of activity and dating is based on radiocarbon methods.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Seismicity
Enumerated_Domain_Value_Definition:
Volcanoes for which evidence of activity and dating is based on seismic activity.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Tephrochronology
Enumerated_Domain_Value_Definition:
Volcanoes for which evidence of activity and dating is based on volcanic ash beds and tuffs.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Uncertain
Enumerated_Domain_Value_Definition:
Volcanoes with possible Holocene activity, but with questionable documentation.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Varve Count
Enumerated_Domain_Value_Definition:
Volcanoes for which evidence of activity and dating is based on annual layers of sediment.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute:
Attribute_Label: Elev
Attribute_Definition: The summit elevation in meters above or below sea level.
Attribute_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -6000
Range_Domain_Maximum: 5675
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: -9999
Enumerated_Domain_Value_Definition: The elevation is unknown.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute:
Attribute_Label: Type
Attribute_Definition: The shape and size of the volcano (morphology).
Attribute_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Caldera(s)
Enumerated_Domain_Value_Definition:
A large volcanic collapse depression, commonly circular or elliptical when seen from above.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Cinder cone(s)
Enumerated_Domain_Value_Definition:
A steep-sided volcano formed by the explosive eruption of cinders that form around a vent.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Complex volcano(es)
Enumerated_Domain_Value_Definition:
A volcano composed of a mixture of landforms. In most cases, they occur because of changes either in eruptive habit or in location of the principal vent area.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Compound volcano
Enumerated_Domain_Value_Definition:
A volcano composed of a mixture of landforms. In most cases, they occur because of changes either in eruptive habit or in location of the principal vent area.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Cones
Enumerated_Domain_Value_Definition:
Volcanic cones composed of fragmented material ejected from a volcano.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Crater rows
Enumerated_Domain_Value_Definition:
An area of congealed lava produced by isolated lava fountains along a fissure (volcanic vent).
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Fissure vent(s)
Enumerated_Domain_Value_Definition:
Linear volcanic vents through which lava erupts, usually without any explosive activity. The vents are usually a few meters wide and may be many kilometers long.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Fumarole field
Enumerated_Domain_Value_Definition:
Areas where there are cracks in the ground that allow gases to reach the surface.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Hydrothermal field
Enumerated_Domain_Value_Definition:
An area where water heated by magma or in association with magma reaches the surface.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Lava dome(s)
Enumerated_Domain_Value_Definition:
A rounded, steep-sided mount that forms when very viscous lava is extruded from a volcanic vent.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Maar(s)
Enumerated_Domain_Value_Definition:
Shallow, flat-floored craters formed above diatremes (volcanic vents or pipes drilled through rocks by the explosive energy of gas- charged magmas) as a result of a violent expansion of magmatic gas or steam. Maars often fill with water to form a lake.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Pyroclastic cone(s)
Enumerated_Domain_Value_Definition:
A volcanic cone composed of fragmented material ejected from a volcano.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Pyroclastic shield
Enumerated_Domain_Value_Definition:
A volcano with long, gentle slopes composed of ejected fragmental material.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Scoria cones
Enumerated_Domain_Value_Definition:
A steep-sided volcano formed by the explosive eruption of scoria. Scoria is formed when blobs of gas-charged lava are thrown into the air during an eruption and cool in flight, falling as dark volcanic rock containing cavities created by trapped gas bubbles.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Shield volcano(es)
Enumerated_Domain_Value_Definition:
A volcano that resembles an inverted warrior's shield, with broad, gentle slopes, built by multiple eruptions of fluid basalt lava. Basalt lava tends to build enormous, low-angle cones because it flows across the ground easily and can form lava tubes that enable lava to flow tens of kilometers from an erupting vent with very little cooling.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Somma volcano(es)
Enumerated_Domain_Value_Definition:
A large volcanic collapse depression that is partially filled by a new central cone.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Stratovolcano(es)
Enumerated_Domain_Value_Definition:
A steep-sided volcano built by lava flows and tephra deposits. Tephra is solid material of all sizes explosively ejected from a volcano into the atmosphere.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Stratovolcano ?
Enumerated_Domain_Value_Definition:
A steep-sided volcano possibly built by lava flows and tephra deposits. Tephra is solid material of all sizes explosively ejected from a volcano into the atmosphere.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Subglacial volcano
Enumerated_Domain_Value_Definition:
A volcanic form produced by eruptions beneath a glacier or beneath the surface of a lake within a glacier.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Submarine volcano(es)
Enumerated_Domain_Value_Definition: A volcanic form produced by eruptions in the ocean.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Submarine volcano ?
Enumerated_Domain_Value_Definition: A possible volcanic form produced by eruptions in the ocean.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Tuff cone(s)
Enumerated_Domain_Value_Definition:
A volcanic cone formed by the interaction of basaltic magma and water.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Tuff rings
Enumerated_Domain_Value_Definition:
Shallow, flat-floored craters formed by the interaction of magma and water.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Unknown
Enumerated_Domain_Value_Definition: The volcano morphology is not known.
Enumerated_Domain_Value_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Volcanic field
Enumerated_Domain_Value_Definition: A collection of cinder cones and (or) lava flows.
Enumerated_Domain_Value_Definition_Source:
National Atlas of the United States

Attribute:
Attribute_Label: Timeframe
Attribute_Definition: Age of the volcanic eruption
Attribute_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: D
Enumerated_Domain_Value_Definition: Last known eruption B.C. (Holocene)
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: D1
Enumerated_Domain_Value_Definition: Last known eruption in 1964 or later.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: D2
Enumerated_Domain_Value_Definition: Last known eruption from 1900-1963, inclusive.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: D3
Enumerated_Domain_Value_Definition: Last known eruption from 1800-1899, inclusive.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: D4
Enumerated_Domain_Value_Definition: Last known eruption from 1700-1799, inclusive.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: D5
Enumerated_Domain_Value_Definition: Last known eruption from 1500-1699, inclusive.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: D6
Enumerated_Domain_Value_Definition: Last known eruption from A.D. 1-1499, inclusive.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: D7
Enumerated_Domain_Value_Definition: Last known eruption B.C. (Holocene)
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
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: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: U
Enumerated_Domain_Value_Definition: Undated, but probable Holocene eruption.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: ?
Enumerated_Domain_Value_Definition: Uncertain Holocene eruption.
Enumerated_Domain_Value_Definition_Source: Global Volcanism Program, Smithsonian Institution
Attribute:
Attribute_Label: Long
Attribute_Definition:
The volcano longitude as a single value, in decimal degrees (NAD83).
Attribute_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -178.794
Range_Domain_Maximum: 179.580
Attribute:
Attribute_Label: Lat
Attribute_Definition:
The volcano latitude as a single value, in decimal degrees (NAD83).
Attribute_Definition_Source: National Atlas of the United States
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 10.030
Range_Domain_Maximum: 88.270


Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Earth Science Information Center, U.S. Geological Survey
Contact_Address:
Address_Type: Mailing address
Address: 507 National Center
City: Reston
State_or_Province: VA
Postal_Code: 20192
Contact_Voice_Telephone: 1-888-ASK-USGS (1-888-275-8747)
Contact_Voice_Telephone: 703-648-5920
Contact_Instructions:
In addition to the address above, there are other ESIC offices throughout the country. A full list of these offices is at <http://ask.usgs.gov/esic_index.html>.
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 U.S. Geological Survey regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty. No responsibility is assumed by the U.S. Geological Survey in the use of these data.

Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ESRI Shapefile
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
<http://nationalatlas.gov/atlasftp.html?openChapters=chpgeol#chpgeol>
Digital_Form:
Digital_Transfer_Information:
Format_Name: SDTS
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
<http://nationalatlas.gov/atlasftp.html?openChapters=chpgeol#chpgeol>
Fees:
There is no charge for the map layer.


Metadata_Reference_Information:
Metadata_Date: 20060912
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Gita Urban-Mathieux
Contact_Organization: National Atlas of the United States
Contact_Address:
Address_Type: Mailing and physical address
Address: 12201 Sunrise Valley Drive
Address: MS 561
City: Reston
State_or_Province: VA
Postal_Code: 20192
Contact_Voice_Telephone: 703-648-5175
Contact_Electronic_Mail_Address: atlasmail@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

<-- Download ArcGIS Shapefiles
<-- More Natural Disaster Shapefiles
<-- Volcano Description & Download

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This data may come from a variety of U.S. government and self-reporting private sources. While we try to assure the accuracy of this material, we cannot promise that it is absolutely accurate. We do promise that using the map layer will be fun, entertaining or educational. Beyond this, we make no guarantee as to its suitability for any purpose. We assume no liability or responsibility for errors or inaccuracies. Please understand that you use these map layers at your own risk.

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