fltarc

Metadata also available as

Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Kathy Haller
Originator: Richard Dart
Originator: Susan Rhea
Publication_Date: 2004
Title: fltarc
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:
Series_Name: U.S. Geological Survey Open-File Report
Issue_Identification: 03-417
Other_Citation_Details: online web map service
Online_Linkage: \\deathstar\qfault\imsdata\fltarc
Description:
Abstract:
This data set contains locations and information on faults and associated folds in the United States that are believed to be sources of significant earthquakes (that is, those of magnitude 6 or greater) during the Quaternary (the past 1,600,000 years). On the website, maps of these geologic structures are linked to a database containing detailed descriptions and references. The database is intended to be the USGS's archive for historic and ancient earthquake sources used in current and future probabilistic seismic-hazard analyses.

This database summarizes important information on paleoseismic (ancient earthquake) parameters. The data are compiled from thousands of journal articles, maps, theses, and other documents, as referenced herein. The database is designed to serve a variety of needs, both in terms of the user community and methods of delivering the data.

Purpose:
Starting in the early 1970s, mainly in response to national concerns about the siting of nuclear reactors, scientists needed to locate active and Quaternary faults and document their characteristics.

The descriptions contain information on geographic, geologic, and paleoseismic parameters that are deemed critical to making geologic-based assessments of seismic hazards. In addition, we provide narrative comments that clarify, justify, or expound upon these parameters. Many of the comments in the database provide justification for the paleoseismic parameters that were chosen to characterize the faults and folds.

Supplemental_Information:
Details about each fault are available through the online database at <http://qfaults.cr.usgs.gov/>
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2003
Currentness_Reference: publication date
Status:
Progress: In work
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -126.381981
East_Bounding_Coordinate: -98.290070
North_Bounding_Coordinate: 48.883728
South_Bounding_Coordinate: 29.246063
Keywords:
Theme:
Theme_Keyword_Thesaurus:
USGS Enterprise Web Thesaurus (<http://www.usgs.gov/library/eweb_thes.html>)
Theme_Keyword: earthquakes
Theme_Keyword: earthquake preparedness
Theme_Keyword: paleoseismology
Theme_Keyword: neotectonic processes
Place:
Place_Keyword_Thesaurus: none
Place_Keyword: United States
Access_Constraints: no restrictions.
Use_Constraints: Citations to the database are requested.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Kathleen M Haller
Contact_Organization: USGS CR GD
Contact_Address:
Address_Type: mailing address
Address: P.O. Box 25046
City: Denver
State_or_Province: CO
Postal_Code: 80225-0046
Country: USA
Contact_Voice_Telephone: 303-273-8616
Contact_Facsimile_Telephone: 303-273-8600
Contact_Electronic_Mail_Address: qfaults@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: <http://gldims.cr.usgs.gov/qfault/>
Browse_Graphic_File_Description: Internet map service web site
Browse_Graphic_File_Type: JPEG
Data_Set_Credit:
The project coordinator is Michael Machette (USGS). The database structure was created by Kathy Haller (USGS) and an early version of the web interface and search engines were created by Larry Mayer (formerly of the University of Miami at Oxford, Ohio). The GIS data was engineered and maintained by Richard Dart (USGS). The fault and fold traces were digitized mainly by Richard Dart, with help from Dean Hancock*. Static maps were made by Susan Rhea (USGS), Richard Dart, and Damon Sather*. The graphic web browser and ArcIMS module were created by Susan Rhea, Damon Sather*, Karen Morgan*, and John Cox*. Much of the reference database and entry of data into the text database was done with the able assistance of Philly Morrow, Meredith Frey, and Kelli Clark (*, all former student interns or contractors to the USGS).

Compilers and cooperators are listed on the web page (<http://earthquake.usgs.gov/qfaults/contrib.html>). Compilers are those who described faults or folds for the database. Cooperators are those who assisted with the development of digital fault data (traces), the database structure, or the geographical information system (GIS) interfaces.

Native_Data_Set_Environment:
Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 8.3.0.800

Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Fault characteristics, even where known in detail, are reported in broad categories (for example "age less than 1,600,000 years"). The textual database contains more specific information about each fault where details were available in published literature.
Logical_Consistency_Report:
Due to substantial differences in the geological setting and tectonic activity, the central and eastern United States appear to have fewer faults active in the Quaternary. This is partly a real phenomena (the western US has more tectonic activity) and partly a detection problem. For example, the glacial sediments that cover much of the eastern midwest states conceal the evidence we would use to infer movement along underlying faults in the Quaternary.
Completeness_Report:
The database does not include faults in Alaska or Hawaii at present. California database is incomplete, not all faults are included.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Locations of faults were taken from published literature; these investigations were carried out at a variety of scales of observation, hence some faults will be located more precisely and accurately than others. In general the locations are accurate as observed on a 1:250,000 scale map, or approximately 450 feet.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Numerous
Publication_Date: Numerous
Title: Numerous
Series_Information:
Series_Name: Numerous
Issue_Identification:
Source_Scale_Denominator: 250000
Type_of_Source_Media: paper
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: Numerous
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: Numerous
Source_Contribution: Detailed fault data
Process_Step:
Process_Description:
Starting in the early 1970s, mainly in response to national concerns about the siting of nuclear reactors, scientists needed to locate active and Quaternary faults and document their characteristics. This broad research initiative resulted in new maps and studies of Quaternary faults. State (Jennings, 1975; Witkind, 1975; 1975; 1975; 1976; Menges and Pearthree, 1983), regional (Nakata and others, 1982), and National (Howard and others, 1978) maps were compiled to show the location and relative timing of major faults. These map compilations, however, did not provide much supporting data. Subsequent state-scale compilations, such as those by Johns and others, (1982), Stickney and Bartholemew (1987), and Hecker (1993) provided some supporting database and were the first true fault compilations. The Quaternary fault and fold data for the United States has relied heavily on the past contributions, and on new efforts by State geological surveys and the U.S. Geological Survey.

The most recent effort began in 1990 in support of the International Lithosphere Program (ILP), which formed Working Group II-2. Its main objective was to compile a World Map of Active Faults (Vladimir Trifonov, chairman). In 1992, the USGS agreed to help compile maps and fault descriptions for countries in the Western Hemisphere (North, Central, and South America, as well as Australia and New Zealand). This work continues to date, with many of the compilations for Central and South America countries having been published.

In 1993, the U.S. Geological Survey began developing a database for Quaternary faults and folds for the United States in earnest, largely supported by NEHRP but with significant support from many State surveys. This product is more robust than the ILP products, mainly owing to the vast amount of data that has become available within the U.S. in the past 20-30 years and the importance that this data plays in regional and national seismic-hazard assessments (Petersen and others, 1996; Frankel and others, 1996).

For this compilation, we have limited our compilation to synthesis of published literature relevant to the United States. Our definition of published literature includes typical sources (journals and maps), as well as M.S. theses and Ph.D. dissertations, governmental contract reports (which includes many NEHRP-sponsored studies), abstracts, and open-file (preliminary) reports. We generally do not cite unpublished field mapping, field notes, and other gray-literature reports that are not generally available to the public. The data presented in the compilation are extensively referenced using the standard USGS reference style, with the exception of attaching a unique number to each cited reference for convenience. This numeric identifier allows us to clearly cite multiple-same year publications for authors.

For a complete list of contributors, see <http://earthquake.usgs.gov/qfaults/contrib.html>

Process_Date: 1970 - 2004
Process_Step:
Process_Description: Metadata imported.
Source_Used_Citation_Abbreviation: C:\DOCUME~1\rhea\LOCALS~1\Temp\xml144.tmp

Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Entity point
Point_and_Vector_Object_Count: 10544
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Complete chain
Point_and_Vector_Object_Count: 45807
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 4
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Label point
Point_and_Vector_Object_Count: 4015
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Label point
Point_and_Vector_Object_Count: 206

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.000000
Longitude_Resolution: 0.000000
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: D_Clarke_1866
Ellipsoid_Name: Clarke 1866
Semi-major_Axis: 6378206.400000
Denominator_of_Flattening_Ratio: 294.978698

Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: fltarc.aat
Entity_Type_Definition: arc attributes
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: NAME
Attribute_Definition: fault name in database
Attribute_Definition_Source: online database
Attribute_Domain_Values:
Unrepresentable_Domain: feature names (text)
Attribute:
Attribute_Label: CODE
Attribute_Definition: Value used for symbolizing faults; composed using a strict format
in which the numerals or letters in a particular position within
the code have consistent meanings.

>First digit: fault visibility code
>1 = exposed
>2 = concealed
>3 = inferred
>
>Second digit: fault age code
>1 = historic
>2 = Holocene < 15,000 years
>3 = late Quaternary < 130,000 years
>4 = mid to late Quaternary < 750,000 years
>5 = Quaternary < 1,600,000 years
>6 = class B
>7 = unknown
>0 = unknown
>
>Third digit: fault slip rate code
>1 = >5 mm/year
>2 = 1-5
>3 = .2 - 1
>4 = < .2 mm/year

Attribute_Domain_Values: Dart
Unrepresentable_Domain: Each value is a sequence of three numeric codes.
Attribute_Definition_Source: Dart
Attribute:
Attribute_Label: NUM
Attribute_Definition: fault index number tied to online database
Attribute_Definition_Source: Dart
Attribute:
Attribute_Label: AGE
Attribute_Definition: fault age
Attribute_Definition_Source: Dart
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: (no value)
Enumerated_Domain:
Enumerated_Domain_Value: <1,600,000
Enumerated_Domain:
Enumerated_Domain_Value: <10,000
Enumerated_Domain:
Enumerated_Domain_Value: <130,000
Enumerated_Domain:
Enumerated_Domain_Value: <150
Enumerated_Domain:
Enumerated_Domain_Value: <750,000
Enumerated_Domain:
Enumerated_Domain_Value: Class B
Enumerated_Domain:
Enumerated_Domain_Value: incomplete
Enumerated_Domain:
Enumerated_Domain_Value: Unknown
Attribute:
Attribute_Label: RATE
Attribute_Definition: slip rate mm/year
Attribute_Definition_Source: Dart
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 0.2-1
Enumerated_Domain:
Enumerated_Domain_Value: 1-5
Enumerated_Domain:
Enumerated_Domain_Value: <0.2
Enumerated_Domain:
Enumerated_Domain_Value: >5
Enumerated_Domain:
Enumerated_Domain_Value: UNK
Attribute:
Attribute_Label: SLIPSENSE
Attribute_Definition: slip sense
Attribute_Definition_Source: Dart
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Incomplete
Enumerated_Domain:
Enumerated_Domain_Value: Normal
Enumerated_Domain:
Enumerated_Domain_Value: Reverse
Enumerated_Domain:
Enumerated_Domain_Value: Left lateral
Enumerated_Domain:
Enumerated_Domain_Value: Right lateral
Enumerated_Domain:
Enumerated_Domain_Value: Thrust
Attribute:
Attribute_Label: DIPDIRECTION
Attribute_Definition: fault dip direction
Attribute_Definition_Source: Dart
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Center
Enumerated_Domain:
Enumerated_Domain_Value: East
Enumerated_Domain:
Enumerated_Domain_Value: North
Enumerated_Domain:
Enumerated_Domain_Value: Northeast
Enumerated_Domain:
Enumerated_Domain_Value: Northwest
Enumerated_Domain:
Enumerated_Domain_Value: South
Enumerated_Domain:
Enumerated_Domain_Value: Southeast
Enumerated_Domain:
Enumerated_Domain_Value: Southwest
Enumerated_Domain:
Enumerated_Domain_Value: Unspecified
Enumerated_Domain:
Enumerated_Domain_Value: West
Enumerated_Domain:
Enumerated_Domain_Value: Vertical
Attribute:
Attribute_Label: ACODE
Attribute_Definition: age code used for plotting in IMS, see attribute CODE
Attribute_Definition_Source: Dart
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 0
Enumerated_Domain:
Enumerated_Domain_Value: 1
Enumerated_Domain:
Enumerated_Domain_Value: 2
Enumerated_Domain:
Enumerated_Domain_Value: 3
Enumerated_Domain:
Enumerated_Domain_Value: 4
Enumerated_Domain:
Enumerated_Domain_Value: 5
Enumerated_Domain:
Enumerated_Domain_Value: 6
Enumerated_Domain:
Enumerated_Domain_Value: 9
Attribute:
Attribute_Label: WWWURL
Attribute_Definition: record identification used in locating data in online database
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 35110
Attribute_Units_of_Measure: nominal
Attribute_Measurement_Resolution: 1
Detailed_Description:
Entity_Type:
Entity_Type_Label: fltarc.pat
Entity_Type_Definition: Polygons describing faults in a region
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute:
Attribute_Label: AGE
Attribute_Definition: fault age
Attribute_Definition_Source: Dart
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 1
Enumerated_Domain_Value_Definition: fault age historic
Enumerated_Domain_Value_Definition_Source: Dart
Enumerated_Domain:
Enumerated_Domain_Value: 2
Enumerated_Domain_Value_Definition: fault age Holocene < 15 KY
Enumerated_Domain_Value_Definition_Source: Dart
Enumerated_Domain:
Enumerated_Domain_Value: 3
Enumerated_Domain_Value_Definition: fault age late Quaternary < 130 KY
Enumerated_Domain_Value_Definition_Source: Dart
Enumerated_Domain:
Enumerated_Domain_Value: 6
Enumerated_Domain_Value_Definition: fault age class B
Enumerated_Domain_Value_Definition_Source: Dart
Enumerated_Domain:
Enumerated_Domain_Value: B
Enumerated_Domain_Value_Definition: fault age class B
Enumerated_Domain_Value_Definition_Source: Dart
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: AGE
Attribute_Definition: fault age.
Attribute_Definition_Source: Dart
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: (no value)
Enumerated_Domain:
Enumerated_Domain_Value: <1,600,000
Enumerated_Domain:
Enumerated_Domain_Value: <10,000
Enumerated_Domain:
Enumerated_Domain_Value: <130,000
Enumerated_Domain:
Enumerated_Domain_Value: <150
Enumerated_Domain:
Enumerated_Domain_Value: <750,000
Enumerated_Domain:
Enumerated_Domain_Value: Class B
Enumerated_Domain:
Enumerated_Domain_Value: incomplete
Enumerated_Domain:
Enumerated_Domain_Value: Unknown
Unrepresentable_Domain: Whole numbers that are automatically generated.
Attribute:
Attribute_Label: RATE
Attribute_Definition: slip rate category mm/yr
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 0.2-1
Enumerated_Domain:
Enumerated_Domain_Value: 1-5
Enumerated_Domain:
Enumerated_Domain_Value: <0.2
Enumerated_Domain:
Enumerated_Domain_Value: >5
Enumerated_Domain:
Enumerated_Domain_Value: UNK
Attribute:
Attribute_Label: SLIPSENSE
Attribute_Definition: slip sense.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Incomplete
Enumerated_Domain:
Enumerated_Domain_Value: Normal
Enumerated_Domain:
Enumerated_Domain_Value: Reverse
Enumerated_Domain:
Enumerated_Domain_Value: Strike Slip
Enumerated_Domain:
Enumerated_Domain_Value: Thrust
Attribute:
Attribute_Label: DIRECTION
Attribute_Definition: dip direction
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Center
Enumerated_Domain:
Enumerated_Domain_Value: East
Enumerated_Domain:
Enumerated_Domain_Value: Incomplete
Enumerated_Domain:
Enumerated_Domain_Value: Left lateral
Enumerated_Domain:
Enumerated_Domain_Value: North
Enumerated_Domain:
Enumerated_Domain_Value: Northeast
Enumerated_Domain:
Enumerated_Domain_Value: Northwest
Enumerated_Domain:
Enumerated_Domain_Value: Right lateral
Enumerated_Domain:
Enumerated_Domain_Value: South
Enumerated_Domain:
Enumerated_Domain_Value: Southeast
Enumerated_Domain:
Enumerated_Domain_Value: Southwest
Enumerated_Domain:
Enumerated_Domain_Value: Unknown
Enumerated_Domain:
Enumerated_Domain_Value: West
Attribute:
Attribute_Label: WWURL
Attribute_Definition: index numberfor fault database
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 33848
Attribute_Units_of_Measure: nominal
Attribute_Measurement_Resolution: 1
Detailed_Description:
Entity_Type:
Entity_Type_Label: fltarc.tatfltid
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: FLTID#
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: FLTID-ID
Attribute_Definition: User-defined feature number.
Attribute_Definition_Source: ESRI

Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Geologic Hazards Team
Contact_Address:
Address_Type: mailing address
Address: P.O. Box 25046
City: Denver
State_or_Province: Colorado
Postal_Code: 80225-0046
Contact_Electronic_Mail_Address: qfaults@usgs.gov
Resource_Description: Quaternary faults database
Distribution_Liability:
This report is preliminary and has not been reviewed for conformity with the U.S. Geologcial Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, firm or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Format_Version_Number: 1.0
Format_Information_Content: Fault traces
Transfer_Size: 15.005
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: <http://gldims.cr.usgs.gov/qfault/>
Fees: none

Metadata_Reference_Information:
Metadata_Date: 20040602
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Richard L Dart
Contact_Organization: USGS CR GD
Contact_Organization_Primary:
Contact_Organization:
REQUIRED: The organization responsible for the metadata information.
Contact_Person: REQUIRED: The person responsible for the metadata information.
Contact_Address:
Address_Type: mailing address
Address: P.O. Box 25046
City: Denver
State_or_Province: CO
Postal_Code: 80225-0046
Country: USA
Contact_Voice_Telephone: 303-273-8637
Contact_Facsimile_Telephone: 303-273-8600
Contact_Electronic_Mail_Address: dart@usgs.gov
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile

Generated by mp version 2.7.33 on Wed Jun 02 16:21:01 2004