Marine Geoscience Data System

Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

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Expeditions / Compilations

Thomas G. Thompson

Maurice Ewing

Thomas G. Thompson

Processed

Raw

Acquisition Information

Raw Data Sets

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Seismic:Ancillary

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Locale

HydrateRidge

Ridge

Quality

0

Details

segy history, shot time status, navigation block data

Bangs, Nathan

UTIG

Seismic:Navigation

Raw Seismic Navigation Data from the Hydrate Ridge, Cascadia Margin acquired during the R/V Maurice Ewing expedition EW0208 (2002)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Locale

HydrateRidge

Ridge

File Format

P2

Quality

0

Details

These UKOOA P2/94 files have not been processed. For this cruise, the Seismic Shot Point Navigation data provide the primary seismic navigation source for seismic data processing.

Bangs, Nathan

UTIG

show

Data Set References

Seismic:Navigation

Platform Info

Array:Thomas G. Thompson

UW:Oceanography

Device Info

Seismic:MCS

Events

Locale

File Format

ASCII

Quality

1

Trehu, Anne

COAS

Bangs, Nathan

UTIG

show

Data Set References

Seismic:Navigation

Raw Seismic Navigation Data from Hydrate Ridge, Cascadia Margin acquired during the R/V Maurice Ewing expedition EW0208 (2002)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Locale

HydrateRidge

Ridge

File Format

P1

Quality

0

Details

These UKOOA P1/90 files have not been processed. For this cruise, the Seismic Shot Point Navigation data provide the primary seismic navigation source for seismic data processing.

Bangs, Nathan

UTIG

show

Data Set References

Seismic:Navigation

Platform Info

Array:Thomas G. Thompson

UW:Oceanography

Device Info

Seismic:MCS

Events

Locale

File Format

ASCII

Quality

1

Trehu, Anne

COAS

Bangs, Nathan

UTIG

show

Data Set References

Seismic:Navigation

Platform Info

Array:Thomas G. Thompson

UW:Oceanography

Device Info

Seismic:MCS

Events

Locale

File Format

ASCII

Quality

1

Bangs, Nathan

UTIG

show

Data Set References

Seismic:Navigation:ShotTime

Data DOI: 10.1594/IEDA/313756

Seismic Shot Point Navigation Data from the Hydrate Ridge, Cascadia Margin acquired during the R/V Maurice Ewing expedition EW0208 (2002)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Station:Bottom Log

Locale

HydrateRidge

Ridge

File Format

ASCII:TSN

Quality

1

Details

This dataset, Seismic Shot Point Navigation data, provides the primary seismic navigation source for this cruise and should be used for seismic data processing.

Bangs, Nathan

UTIG

show

Data Set References

Seismic:Reflection:MCS (Repository unknown)

Data at IRIS

Data on Hold Until:

Platform Info

Thomas G. Thompson

UW:Oceanography

Device Info

Seismic:MCS

Locale

HydrateRidge

Ridge

File Format

NotProvided

Quality

0

Bangs, Nathan

UT

show

Data Set References

IRIS

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/313753

Raw Multi-Channel Seismic Shot Data from the Hydrate Ridge, Cascadia Margin acquired during the R/V Maurice Ewing expedition EW0208 (2002)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Locale

HydrateRidge

Ridge

File Format

SEGY

Quality

0

Bangs, Nathan

UTIG

show

Data Set References

Seismic:Reflection:MCS

Platform Info

Array:Thomas G. Thompson

UW:Oceanography

Device Info

Seismic:MCS

Events

Locale

File Format

SEGY

Quality

1

Trehu, Anne

COAS

Bangs, Nathan

UTIG

show

Data Set References

Seismic:Reflection:MCS

Platform Info

Array:Thomas G. Thompson

UW:Oceanography

Device Info

Seismic:MCS

Events

Locale

File Format

SEGY

Quality

1

Trehu, Anne

COAS

Bangs, Nathan

UTIG

show

Data Set References

Seismic:Reflection:MCS

Platform Info

Array:Thomas G. Thompson

UW:Oceanography

Device Info

Seismic:MCS

Events

Locale

File Format

SEGY

Quality

1

Bangs, Nathan

UTIG

show

Data Set References

Event Logs

Device Info

Seismic:MCS

Platform: Thomas G. Thompson (Array)

Seismic:OBS

Platform: Thomas G. Thompson (Array)

Trehu, Anne

Station:Bottom:Deployed (TN112)

Device Info

Seismic:OBS

Platform: Thomas G. Thompson (Array)

Trehu, Anne

Seismic Acquisition Parameters

Download As Text

edu.utexas.ig:tn112_acq001 (Lines: )

Source Information

NotApplicable

Receiver Information

NotApplicable

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Differential GPS

WGS84

Acquisition System

Digital

Name: OYO

Details

Receiver Type: Hydrophone_Streamer; Seismometer_OceanBottom

Source Type: SeismicSource_Gun_Air_GI

Acquisition System Name: OYO

Acquisition System Type: digital

Seismic Nav System: Differential GPS

Survey Datum: WGS84

Source to Near Channel (m): 50

Antenna to Source (m): null

Number of Channels Recorded: 48

Channel Length (m): 12.5

Cable Receiver Depth (m): 2.5

Source Volume (cubicInches): 105

Source Pressure (bars): 138

Source Number: 2

Source Depth (m): 2.5

Shot Control: time

Shot Interval (s or m): null

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

Event Logs

Device Info

show

Related Devices

Bangs, Nathan

UTIG

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Seismic:OBS

Platform: Maurice Ewing (Array)

Bangs, Nathan

UTIG

Station:Bottom (EW0208)

Device Info

Seismic:MCS

LDEO

Platform: Maurice Ewing (Array)

Seismic:OBS

Platform: Maurice Ewing (Array)

Bangs, Nathan

UTIG

Station:Bottom:Deployed (EW0208)

Device Info

Seismic:OBS

Platform: Maurice Ewing (Array)

Bangs, Nathan

UTIG

Seismic Acquisition Parameters

Download As Text

EW0208_ACQ001 (Lines: all)

Source Information

AirGun (SERCEL:GI)

Source Number: 2

Volume (cu in): 210

Pressure (psi): 2000

Depth (m): 2.5

Shot Interval (m): 20

Distance to Near Channel (m): 56

Distance to Antenna (m): 55.3

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 120

Channels Recorded: 120

Group Spacing (m): 12.5

Cable Length (m): 1500

Cable Depth (m): 4

Near Channel Number: 120

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

Tasmon P-Code (primary)

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 1

Details

Record Length: 6.144 secs for sequence 001

10.240 secs for sequences 002-009 and 012-014

6.656 secs for sequence 010-011 and 015-045

Two Ship Work with JOIDES Resolution was done only for OBS and VSP.

edu.utexas.ig:ew0208_acq001 (Lines: )

Source Information

NotApplicable

Receiver Information

NotApplicable

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

P-code GPS

WGS84

Acquisition System

Digital

Name: Syntrack

Details

Receiver Type: Seismometer_OceanBottom

Source Type: SeismicSource_Gun_Air_GI

Acquisition System Name: Syntrack

Acquisition System Type: digital

Seismic Nav System: P-code GPS

Survey Datum: WGS84

Source to Near Channel (m): 56

Antenna to Source (m): null

Number of Channels Recorded: 120

Channel Length (m): 12.5

Cable Receiver Depth (m): 4

Source Volume (cubicInches): 210

Source Pressure (bars): 138

Source Number: 2

Source Depth (m): 2.5

Shot Control: distance

Shot Interval (s or m): 20

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

Event Logs

Device Info

Seismic:MCS

Platform: Thomas G. Thompson (Array)

Bangs, Nathan

UT

Seismic Acquisition Parameters

Download As Text

edu.utexas.ig:tn220_acq001 (Lines: )

Source Information

NotApplicable

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

GPS:Kongsberg Seatex RGPS tracking system, Seadiff

WGS84

Acquisition System

Digital

Name: Geometrics Geode 24

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air_GI

Acquisition System Name: Geometrics Geode 24

Acquisition System Type: digital

Seismic Nav System: GPS:Kongsberg Seatex RGPS tracking system, Seadiff

Survey Datum: WGS84

Source to Near Channel (m): null

Antenna to Source (m): 37.2: The position of the guns was initially ~ 20 m behind the stern, but was moved forward as far as possible to avoid gun tangling.

Number of Channels Recorded: 12: from 7/2 - 7/6/08; 10: from 7/11 - 7/17/08

Channel Length (m): 30

Cable Receiver Depth (m): null

Source Volume (cubicInches): 300

Source Pressure (bars): 124.1

Source Number: 2

Source Depth (m): 2

Shot Control: time

Shot Interval (s or m): 6

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

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