Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

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Expeditions / Compilations

EW0404

Maurice Ewing

Processed

Acquisition Information

Processed Data Sets

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Seismic:Velocity:Model

Data DOI: 10.60521/331880

Velocity model navigation file (ASCII format) from a 2004 southeastern Caribbean seismic study (EW0404)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:OBS

Events

Station:Bottom:Deployed Log

Locale

Lesser Antilles

SubductionZone

File Format

ASCII

Quality

Christeson, Gail

Data Set References

Seismic:Velocity:Model

Data DOI: 10.60521/331878

Seismic P-wave velocity model (netCDF format) from a 2004 southeastern Caribbean seismic study (EW0404)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:OBS

Events

Station:Bottom:Deployed Log

Locale

Lesser Antilles

SubductionZone

File Format

NetCDF:Grid

Quality

Christeson, Gail

Data Set References

Seismic:Velocity:Model

Data DOI: 10.60521/331879

Velocity model layer parameters (ASCII format) from a 2004 southeastern Caribbean seismic study (EW0404)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:OBS

Events

Station:Bottom:Deployed Log

Locale

Lesser Antilles

SubductionZone

File Format

ASCII

Quality

Christeson, Gail

Data Set References

Event Logs

Line (EW0404)

Device Info

Related Devices

Mann, Paul

UTIG

Line (EW0404)

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

Station:Bottom:Deployed (EW0404)

Device Info

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

Seismic Acquisition Parameters

Download As Text

EW0404_ACQ001 (Lines: 4,4A,4B,13,13A,20 and 27)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 6947

Pressure (psi): 2000

Depth (m): 7

Shot Interval (m): 150

Distance to Near Channel (m): 179

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): 7

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): 14.336

Details

EW0404_ACQ002 (Lines: All Other)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 6947

Pressure (psi): 2000

Depth (m): 7

Shot Interval (m): 50

Distance to Near Channel (m): 179

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): 7

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): 14.336

Details

EW0404_ACQ003 (Lines: 36)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 6947

Pressure (psi): 2000

Depth (m): 7

Shot Interval (m): 175

Distance to Near Channel (m): 179

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): 7

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): 14.336

Details

edu.utexas.ig:ew0404_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: Syntrack

Details

Receiver Type: Hydrophone_Streamer; Seismometer_OceanBottom

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntrack

Acquisition System Type: digital

Seismic Nav System: GPS

Survey Datum: WGS84

Source to Near Channel (m): 179

Antenna to Source (m): 55.3

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): 7

Source Volume (cubicInches): 6947

Source Pressure (bars): 138

Source Number: 20

Source Depth (m): 7

Shot Control: distance

Shot Interval (s or m): 50: line(s) All Other.<br>150: line(s) 4; 4A; 4B; 13; 13A; 20 and 27<br>175: line(s) 36

Compass Birds: yes

Tail Buoy Positioning: yes

Recording Delay: no

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