Seismic Reflection/Refraction Data at the Academic Seismic Portal
Expeditions / Compilations
Marcus G. Langseth
Processed
Raw
Acquisition Information
Processed Data Sets
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Processed multichannel seismic data along the the Aleutian Trench, acquired by the R/V Marcus G. Langseth (MGL1110) in 2011 as part of the ALEUT (Alaska Langseth Experiment to Understand the megaThrust) program
Locale
File Format
ASCII
Quality
2
Shillington, Donna
LDEO
Processed multichannel seismic data along the the Aleutian Trench, acquired by the R/V Marcus G. Langseth (MGL1110) in 2011 as part of the ALEUT (Alaska Langseth Experiment to Understand the megaThrust) program
Locale
File Format
ASCII
Quality
2
Bécel, Anne
LDEO
Seismic:Reflection:MCS
Data DOI:
10.1594/IEDA/500169
Processed multichannel seismic data along the the Aleutian Trench, acquired by the R/V Marcus G. Langseth (MGL1110) in 2011 as part of the ALEUT (Alaska Langseth Experiment to Understand the megaThrust) program
Locale
File Format
SEGY
Quality
2
Shillington, Donna
LDEO
Seismic:Reflection:MCS
Data DOI:
10.1594/IEDA/500169
Processed multichannel seismic data along the the Aleutian Trench, acquired by the R/V Marcus G. Langseth (MGL1110) in 2011 as part of the ALEUT (Alaska Langseth Experiment to Understand the megaThrust) program
Locale
File Format
SEGY
Quality
2
Processed multichannel seismic data along the the Aleutian Trench, acquired by the R/V Marcus G. Langseth (MGL1110) in 2011 as part of the ALEUT (Alaska Langseth Experiment to Understand the megaThrust) program
Locale
File Format
PDF
Quality
2
Shillington, Donna
LDEO
Processed multichannel seismic data along the the Aleutian Trench, acquired by the R/V Marcus G. Langseth (MGL1110) in 2011 as part of the ALEUT (Alaska Langseth Experiment to Understand the megaThrust) program
Locale
File Format
PDF
Quality
2
Bécel, Anne
LDEO
Raw Data Sets
Sort by:
Seismic:Reflection:MCS
Data DOI:
10.1594/IEDA/317810
Multi-Channel Seismic Shot Data from the Aleutian Islands Margin, Gulf Of Alaska, acquired during the R/V Marcus G. Langseth expedition MGL1110 (2011)
Locale
Alaska:Aleutians
FocusSite:GeoPRISMS
File Format
SEGD
Quality
0
Shillington, Donna
LDEO
Nedimovic, Mladen
Dalhousie
Webb, Spahr
LDEO
Event Logs
Device Info
Seismic: MCS
LDEO
Platform: Marcus G. Langseth (Array)
Seismic: MCS
Platform: Marcus G. Langseth (Array)
Seismic: OBS
Platform: Marcus G. Langseth (Array)
Shillington, Donna
LDEO
Device Info
Seismic: OBS
Platform: Marcus G. Langseth (Array)
Shillington, Donna
LDEO
Device Info
Probe: Expendable: XBT
Sippican:T-5
Platform: Marcus G. Langseth
Shillington, Donna
LDEO
Device Info
Probe: Expendable: XCTD
Sippican:XCTD-1
Platform: Marcus G. Langseth
Shillington, Donna
LDEO
Device Info
Probe: Expendable: XSV
Sippican:XSV-02
Platform: Marcus G. Langseth
Shillington, Donna
LDEO
Seismic Acquisition Parameters
MGL1110_ACQ001 (Lines: Sequence numbers 8-10)
Source Information
AirGun (BOLT:1500LL)
Source Number: 36
Volume (cu in): 6600
Pressure (psi): 2000
Depth (m): 12
Shot Interval (m): 62.5
Distance to Near Channel (m): 325.84
Distance to Antenna (m): 222.7
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 2
Channels Per Cable: 636
Channels Recorded: 1272
Group Spacing (m): 12.5
Cable Spacing (m): 450
Cable Length (m): 7950
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
CNAV 3050 - primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Sample Interval (msec): 2
Record Length (sec): 22.528
Details
Near channel numbers were 636 and 1272
Streamer 1 was towed at a depth of 9m, Streamer 2 at 12m
MGL1110_ACQ002 (Lines: Sequence numbers 11-26)
Source Information
AirGun (BOLT:1500LL)
Source Number: 36
Volume (cu in): 6600
Pressure (psi): 2000
Depth (m): 12
Shot Interval (m): 62.5
Distance to Antenna (m): 222.7
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 2
Channels Per Cable: 636
Channels Recorded: 1272
Group Spacing (m): 12.5
Cable Spacing (m): 225
Cable Length (m): 7950
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
CNAV 3050 - primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Sample Interval (msec): 2
Details
Streamer 1 was towed at a depth of 9m, Streamer 2 at 12m
Streamer 1 was towed from the stern, distance from center of source to near group was 235.68m
Streamer 2 was towed from the paravane, distance from center of source to near group was 325.84m
Near channel numbers were Streamer 1: 636 and Streamer 2 : 1272
Lines 11-26 were recorded for 22.528s except for part of Line 24 which was recorded only for 18.430s
MGL1110_ACQ003 (Lines: Sequence numbers 27-33)
Source Information
AirGun (BOLT:1500LL)
Source Number: 36
Volume (cu in): 6600
Pressure (psi): 2000
Depth (m): 12
Shot Interval (m): 62.5
Distance to Near Channel (m): 325.84
Distance to Antenna (m): 222.7
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 636
Channels Recorded: 636
Group Spacing (m): 12.5
Cable Length (m): 7950
Cable Depth (m): 12
Near Channel Number: 636
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
CNAV 3050 - primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Sample Interval (msec): 2
Details
Data was recorded by a single streamer, Streamer 2, towed from the paravane
Distance from center of source to near group was 325.84m
Lines 27-33 were recorded for 22.528s except for part of Line 29 which was recorded only for 18.430s
org.marine-geo:MGL1110_ACQ001 (Lines: )
Source Information
AirGun
Receiver Information
Hydrophone:Streamer
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
WGS84
Acquisition System
Digital
Name:
Details
Receiver Type: Hydrophone_Streamer
Source Type: SeismicSource_Gun_Air
Acquisition System Name: null
Acquisition System Type: null
Seismic Nav System: null
Survey Datum: WGS84
Source to Near Channel (m): 235.68
Antenna to Source (m): 222.7
Number of Channels Recorded: null
Channel Length (m): null
Cable Receiver Depth (m): null
Source Volume (cubicInches): 6600
Source Pressure (bars): null
Source Number: 10
Source Depth (m): null
Shot Control: null
Shot Interval (s or m): null
Compass Birds: no
Tail Buoy Positioning: no
Recording Delay: no
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