References

Sallares et al., 2013 Overriding plate structure of the Nicaragua convergent margin: Relationship to the seismogenic zone of the 1992 tsunami earthquake Geochem Geophys Geosyst 14. doi: 10.1002/ggge.20214

Ahmed, 2003 Imaging of the lower slope offshore Nicaragua and development of post critical migration methods Thesis .

Kelly, 2003 Subduction Dynamics at the Middle America Trench: New Constraints From Swath Bathymetry, Multichannel Seismic Data, and 10Be Thesis .

Berhorst, 2006 Die Struktur des aktiven Kontinentalhangs vor Nicaragua und Costa Rica: Marin-seismische Steil- und Weitwinkelmessungen Thesis .

McIntosh et al., 2007 The Nicaragua convergent margin: Seismic reflection imaging of the source of a tsunami earthquake, Costa Rica .

Download Data Set Metadata Report

XML

MGDS formatted data set xml report containing verbose file and data set level metadata

ISO XML

ISO 19115-compliant xml report containing general data set level metadata

Related Acquisition Information

EW0005

Line Log

Seismic Acquisition Parameters

Download as Text: EW0005

EW0005_ACQ001 (Lines: Sequences 06-07, 24-34, 36-38)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 6817

Pressure (psi): 2000

Shot Interval (m): 50

Distance to Near Channel (m): 188

Distance to Antenna (m): 56

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 240

Channels Recorded: 240

Group Spacing (m): 25

Cable Length (m): 6000

Cable Depth (m): 10

Near Channel Number: 240

Used Compass Birds: true

Nav System

Trimble Tasman Y-code GPS

WGS84

Acquisition System

Digital

Name: Syntrak 480

Sample Interval (msec): 4

Details

Record Length was 4 seconds for sequences 02, 03, 05-12, 14, 15, 16(SP 1-1425), 17-26, 27(SP 1-3003), 29(SP 953-2994), 30, 31(SP 2097-3039), 32, 33(SP 1235-2667), 34-38

Record Length was 5 seconds for sequences 01, 04, 13, 16(SP 1426-1447), 27(SP 3005-3688), 28, 29(SP 1-946), 31(SP 2097-3039), 33(SP 1-1225)

EW0005_ACQ002 (Lines: Sequences 02-05, 08-12, 14-23)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 6817

Pressure (psi): 2000

Shot Interval (sec): 20

Distance to Near Channel (m): 188

Distance to Antenna (m): 56

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 240

Channels Recorded: 240

Group Spacing (m): 25

Cable Length (m): 6000

Cable Depth (m): 10

Near Channel Number: 240

Used Compass Birds: true

Nav System

Trimble Tasman Y-code GPS

WGS84

Acquisition System

Digital

Name: Syntrak 480

Sample Interval (msec): 4

Details

Shot Interval of 20 seconds is about 50 meters

Record Length was 4 seconds for sequences 02, 03, 05-12, 14, 15, 16(SP 1-1425), 17-26, 27(SP 1-3003), 29(SP 953-2994), 30, 31(SP 2097-3039), 32, 33(SP 1235-2667), 34-38

Record Length was 5 seconds for sequences 01, 04, 13, 16(SP 1426-1447), 27(SP 3005-3688), 28, 29(SP 1-946), 31(SP 2097-3039), 33(SP 1-1225)

EW0005_ACQ003 (Lines: Sequences 01, 13)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 6817

Pressure (psi): 2000

Shot Interval (sec): 60

Distance to Near Channel (m): 188

Distance to Antenna (m): 56

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 240

Channels Recorded: 240

Group Spacing (m): 25

Cable Length (m): 6000

Cable Depth (m): 10

Near Channel Number: 240

Used Compass Birds: true

Nav System

Trimble Tasman Y-code GPS

WGS84

Acquisition System

Digital

Name: Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 5

Details

Shot Interval of 60 seconds is about 125 meters

EW0005_ACQ004 (Lines: Sequence 35)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 6817

Pressure (psi): 2000

Shot Interval (m): 125

Distance to Near Channel (m): 188

Distance to Antenna (m): 56

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 240

Channels Recorded: 240

Group Spacing (m): 25

Cable Length (m): 6000

Cable Depth (m): 10

Near Channel Number: 240

Used Compass Birds: true

Nav System

Trimble Tasman Y-code GPS

WGS84

Acquisition System

Digital

Name: Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 4

Details

edu.utexas.ig:ew0005_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Y-Code; Tasmon GPS receiver

WGS84

Acquisition System

Digital

Name: Syntrack 480-24

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntrack 480-24

Acquisition System Type: digital

Seismic Nav System: Y-Code; Tasmon GPS receiver

Survey Datum: WGS84

Source to Near Channel (m): 188

Antenna to Source (m): 56

Number of Channels Recorded: 240

Channel Length (m): 25

Cable Receiver Depth (m): 80

Source Volume (cubicInches): 6817

Source Pressure (bars): 138

Source Number: 20

Source Depth (m): 6.5

Shot Control: distance

Shot Interval (s or m): 50

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

Data Set Documents

Log

ew0005.seismicRecordingLog.pdf (6.8MB)

PDF

More Information

ew0005.compassPlots.pdf (416.0kB)

PDF

More Information

ew0005.obhPlots.pdf (19.6MB)

PDF

More Information

ew0005.seismicPlots.pdf (35.6MB)

PDF

More Information

ew0005.setbackOffset.pdf (1.9MB)

PDF

More Information

ew0005.shotDistancePlots.pdf (710.0kB)

PDF

More Information

ew0005.tapeListing.pdf (727.0kB)

PDF

Science Report

Cruise

ew0005.cruiserpt.pdf (15.6MB)

PDF

Technical Report

Cruise

ew0005.tech.pdf (381.0kB)

PDF

Watchstander Log

ew0005.watchStanderLog.pdf (6.7MB)

PDF

EW0005 Documents

Science Report

Cruise Report

EW0005.cruiserpt.pdf (15.6MB)

PDF

Technical Report

Cruise

EW0005_tech.pdf (381.0kB)

PDF

How To Cite This Data

Related Data Sets

Sort by:

Seismic:Navigation

Processed multichannel seismic data off the western coast of Nicaragua and Costa Rica, acquired during R/V Maurice Ewing expedition EW0005 (2000)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

Events

Line Log

Locale

File Format

ASCII

Quality

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McIntosh, Kirk

UTIG

Data Set References

Seismic:Reflection:MCS

Processed multichannel seismic data off the western coast of Nicaragua and Costa Rica, acquired during R/V Maurice Ewing expedition EW0005 (2000)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

Events

Line Log

Locale

File Format

PDF

Quality

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McIntosh, Kirk

UTIG

Data Set References