Marine Geoscience Data System

Processed Data Sets

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Seismic:Active:OBS:TravelTimePicks

Data DOI: 10.1594/IEDA/324643

Travel time picks for the mantle refraction, Pn, from NoMelt central Pacific active-source OBS data

Platform Info

Marcus G. Langseth

LDEO

Device Info

Seismic:OBS

Events

Line Log

Station:Bottom Log

Locale

PacificOcean

Ocean

File Format

ASCII

Quality

2

Mark, Hannah

Lizarralde, Dan

WHOI

Collins, John

WHOI

Miller, Nathan C.

Hirth, Gregory

Brown University

Gaherty, James

LDEO

Evans, Robert

WHOI

Seismic:Passive:OBS, Seismic:WideAngle:OBS

Data at IRIS

Platform Info

Array:Marcus G. Langseth

LDEO

Device Info

Seismic:OBS

Events

Line Log

Station:Bottom Log

Locale

PacificOcean

Ocean

File Format

NotProvided

Quality

0

Details

NoMELT OBS data

Gaherty, James

LDEO

Lizarralde, Dan

WHOI

Collins, John

WHOI

Hirth, Gregory

Brown University

Evans, Robert

WHOI

Data Set References

Seismic:Velocity:Model

Data DOI: 10.1594/IEDA/326504

NoMelt: 1-D elastic model and uncertainties beneath the NoMelt Central Pacific array

Device Info

NotApplicable

Not Applicable:NotApplicable

Events

Station:Bottom Log

Locale

PacificOcean

Ocean

File Format

ASCII

Quality

2

Russell, Joshua

LDEO

Gaherty, James

NAU

Lin, Pei-Ying

LDEO

Lizarralde, Dan

WHOI

Collins, John

WHOI

Hirth, Gregory

Brown University

Evans, Robert

WHOI

Data Set References

Raw Data Sets

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Seismic:Navigation:ShotTime

Data DOI: 10.1594/IEDA/318372

Seismic Shot Point Navigation Data from the Central Pacific Ocean acquired during the R/V Marcus G. Langseth expedition MGL1115 (2011)

Platform Info

Array:Marcus G. Langseth

LDEO

Device Info

Seismic:OBS

Events

Line Log

Station:Bottom Log

Locale

PacificOcean

Ocean

File Format

ASCII

Quality

0

Details

Spectra shot logs

Gaherty, James

LDEO

Lizarralde, Dan

WHOI

Event Logs

Line (MGL1115)

Device Info

Related Devices

Gaherty, James

LDEO

Station:Bottom (MGL1115)

Evans, Robert

WHOI

Station:Bottom (MGL1115)

Device Info

Seismic:OBS

Platform: Marcus G. Langseth

Seismic:OBS

Platform: Marcus G. Langseth (Array)

Gaherty, James

LDEO

Station:Bottom:Deployed (MGL1115)

Evans, Robert

WHOI

Station:WaterColumn:Released (MGL1115)

Device Info

Probe:Expendable:XBT

Sippican:T-5

Platform: Marcus G. Langseth

Gaherty, James

LDEO

Station:WaterColumn:Released (MGL1115)

Device Info

Probe:Expendable:XBT

Sippican:T-7

Platform: Marcus G. Langseth

Gaherty, James

LDEO

Seismic Acquisition Parameters

Download As Text

MGL1115_ACQ001 (Lines: Lines sequence 1-13, MCS and OBS)

Source Information

AirGun (BOLT:1500LL)

Source Number: 1

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 9

Shot Interval (m): 600

Distance to Near Channel (m): 166.3

Distance to Antenna (m): 232

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 468

Channels Recorded: 468

Group Spacing (m): 12.5

Cable Length (m): 5850

Cable Depth (m): 9

Near Channel Number: 468

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav 3050 - primary

WGS84

Acquisition System

Digital

Name: Sercel Syntrak 960

Sample Interval (msec): 2

Record Length (sec): 16

Details