Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

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Expeditions / Compilations

EW0410

Maurice Ewing

Processed

Acquisition Information

Processed Data Sets

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Seismic:Velocity:Model

Data DOI: 10.60521/331946

Velocity model navigation files (ASCII format) for the Blanco Transform Fault from a 2004 MCS survey (EW0410)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

BlancoFractureZone

FractureZone

File Format

ASCII

Quality

Christeson, Gail

UTIG

Morgan, Joanna

Imperial College London

Warner, Michael

Imperial College London

Data Set References

Seismic:Velocity:Model

Data DOI: 10.60521/331945

Seismic P-wave velocity models (netCDF format) for the Blanco Transform Fault from a 2004 MCS survey (EW0410)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

BlancoFractureZone

FractureZone

File Format

NetCDF:Grid

Quality

Christeson, Gail

UTIG

Morgan, Joanna

Imperial College London

Warner, Michael

Imperial College London

Data Set References

Event Logs

Line (EW0410)

Device Info

Related Devices

Christeson, Gail

UTIG

Line (EW0410)

Device Info

Seismic:MCS

LDEO

Platform: Maurice Ewing (Array)

Seismic:MCS

Platform: Maurice Ewing (Array)

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

UTIG

Station:Bottom:Deployed (EW0410)

Device Info

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

UTIG

Seismic Acquisition Parameters

Download As Text

EW0410_ACQ001 (Lines: BL102-105,BL107-110,BL112-204)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3050

Pressure (psi): 2000

Depth (m): 7.5

Shot Interval (m): 37.5

Distance to Near Channel (m): 183.5

Distance to Antenna (m): 88.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 480

Channels Recorded: 480

Group Spacing (m): 12.5

Cable Depth (m): 9

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 12

Details

EW0410_ACQ002 (Lines: BL106,BL111)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3050

Pressure (psi): 2000

Depth (m): 7.5

Shot Interval (m): 37.5

Distance to Near Channel (m): 183.5

Distance to Antenna (m): 88.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 480

Channels Recorded: 480

Group Spacing (m): 12.5

Cable Depth (m): 8

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 12

Details

EW0410_ACQ003 (Lines: BL302,BL309)

Source Information

AirGun (BOLT:1500C)

Source Number: 12

Volume (cu in): 3705

Pressure (psi): 2000

Depth (m): 7.5

Shot Interval (m): 200

Distance to Near Channel (m): 183.5

Distance to Antenna (m): 88.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 480

Channels Recorded: 480

Group Spacing (m): 12.5

Cable Depth (m): 9

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 12

Details

edu.utexas.ig:ew0410_acq001 (Lines: )

Source Information

AirGun

Receiver Information

NotApplicable

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

GPS

WGS84

Acquisition System

Digital

Name: Syntrak

Details

Receiver Type: Hydrophone_Streamer; Seismometer_OceanBottom

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntrak

Acquisition System Type: digital

Seismic Nav System: GPS

Survey Datum: WGS84

Source to Near Channel (m): 183.5

Antenna to Source (m): 88.6

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): 8: lines BOL111 and BOL106: 9: all other lines

Source Volume (cubicInches): 3050

Source Pressure (bars): 138

Source Number: 10

Source Depth (m): 7.5

Shot Control: distance

Shot Interval (s or m): 37.5: 100 and 200 lines; 200: 300 lines

Compass Birds: yes

Tail Buoy Positioning: yes

Recording Delay: no

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