Seismic Reflection/Refraction Data at the Academic Seismic Portal
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Seismic:WideAngleData at IRIS
Device Info
Seismic:
Events
Locale
CentralAmerica
SubductionZone
File Format
NotProvided
Details
Network code XE is for 2008 terrestrial field operations
Holbrook, W. Steven
University of Wyoming
Seismic:WideAngle:OBSData at IRIS
Platform Info
Array:Marcus G. Langseth
LDEO
Device Info
Seismic:
Events
Locale
CentralAmerica
SubductionZone
File Format
NotProvided
Holbrook, W. Steven
University of Wyoming
Raw Data Sets
Sort by:
Seismic:Reflection:MCS
Data DOI:
10.26022/IEDA/309913
Multi-Channel Seismic Shot Data from the Central America Subduction Zone Subduction acquired during R/V Marcus G. Langseth expedition MGL0807 (2008)
Locale
CentralAmerica
SubductionZone
File Format
SEGY
Quality
0
Holbrook, W. Steven
University of Wyoming
vanAvendonk, Harm
UTIG
Lizarralde, Dan
WHOI
Seismic:WideAngleData at IRIS
Device Info
Seismic:
Events
Locale
CentralAmerica
SubductionZone
File Format
NotProvided
Quality
0
Details
Land seismometer data set obtained during shooting from MGL0807
Holbrook, W. Steven
University of Wyoming
vanAvendonk, Harm
UTIG
Event Logs
Device Info
Related DevicesSeismic:
LDEO
Platform: Marcus G. Langseth (Array)
Seismic:
Platform: Marcus G. Langseth (Array)
Holbrook, W. Steven
University of Wyoming
Device Info
Seismic:
Platform: Marcus G. Langseth (Array)
Holbrook, W. Steven
University of Wyoming
Lizarralde, Dan
WHOI
Device Info
Probe:
Sippican
Platform: Marcus G. Langseth
Holbrook, W. Steven
University of Wyoming
Device Info
Probe:
Sippican:T-5
Platform: Marcus G. Langseth
Holbrook, W. Steven
University of Wyoming
Device Info
Probe:
Sippican:T-7
Platform: Marcus G. Langseth
Holbrook, W. Steven
University of Wyoming
Seismic Acquisition Parameters
MGL0804_ACQ001 (Lines: Sequence 01,02,03)
Source Information
AirGun (BOLT:1500LL)
Source Number: 40
Volume (cu in): 6600
Pressure (psi): 2000
Shot Interval (m): 150
Distance to Near Channel (m): 77.5
Distance to Antenna (m): 147.37
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer (SERCEL:Sentry)
Number of Cables: 1
Channels Per Cable: 636
Channels Recorded: 636
Group Spacing (m): 12.5
Cable Length (m): 7950
Cable Depth (m): 6
Near Channel Number: 636
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
Cnav-primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Sample Interval (msec): 2
Record Length (sec): 16.384
Details
Source Depth was variable
MGL0804_ACQ002 (Lines: Sequence 04-24)
Source Information
AirGun (BOLT:1500LL)
Source Number: 40
Volume (cu in): 6600
Pressure (psi): 2000
Distance to Near Channel (m): 143.5
Distance to Antenna (m): 97.37
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer (SERCEL:Sentry)
Number of Cables: 1
Group Spacing (m): 12.5
Cable Length (m): 7950
Cable Depth (m): 6
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
Cnav-primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Details
Number of channels was 240 for Sequence 19, 636 for all other lines
Near Channel Number was 240 for Seq 19, 636 for all other lines
Number of source_arrays: 1 Array = 4 Strings
Source Depth was variable
ShotControl was 20sec for all OBS lines
Shot Interval for Seq 04 and 05 was 150m, Seq 06-21 was 50m, Seq 23 was 25m, Seq 24 was 50m
Sample Interval (microseconds) for Seq 19(H06&OB6) was 500, Seq 20(H07.001) was 4000, all other lines=2000
Record Length for Seq 01-18(H05), Seq 20-22 and Seq 24 was 16.384, Seq 19(H06&OB6) was 8.192, Seq 18(OB5) was 1.024 seconds.
Event Logs
Device Info
Seismic:
LDEO
Platform: Marcus G. Langseth (Array)
Seismic:
Platform: Marcus G. Langseth (Array)
Holbrook, W. Steven
University of Wyoming
Device Info
Seismic:
Platform: New Horizon (Array)
Seismic:
Platform: Marcus G. Langseth (Array)
Gregg, Patricia
WHOI
vanAvendonk, Harm
UTIG
Device Info
Probe:
Sippican
Platform: Marcus G. Langseth
Holbrook, W. Steven
University of Wyoming
Device Info
Probe:
Sippican:XCTD-1
Platform: Marcus G. Langseth
Holbrook, W. Steven
University of Wyoming
Device Info
Probe:
Sippican:T-5
Platform: Marcus G. Langseth
Holbrook, W. Steven
University of Wyoming
Device Info
Probe:
Sippican:T-7
Platform: Marcus G. Langseth
Holbrook, W. Steven
University of Wyoming
Seismic Acquisition Parameters
MGL0807_ACQ001 (Lines: 2, 3, 5, 7, 8, 9, 11, 13)
Source Information
AirGun (BOLT:1500LL)
Source Number: 36
Volume (cu in): 6600
Pressure (psi): 2000
Depth (m): 9.6
Distance to Near Channel (m): 141.6
Distance to Antenna (m): 98.3
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): 9
Near Channel Number: 636
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
C-Nav Primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Sample Interval (msec): 2
Details
Shot Spacing: 37.5m for sequence lines 02,07
50m for sequence line 02,03,05,08,09
100m for sequence line 11,13
Record Length: 10 secs for sequence line 07
14 secs for sequence line 08,09
15 secs for sequence line 02 (from shot 1276),03
16 secs for sequence line 02 (until shot 1270),05
20 secs for sequence line 11,13
MGL0807_ACQ002 (Lines: 14, 16, 18, 20, 22, 24, 26, 27, 29, 31, 32, 34-38, 40, 42-49)
Source Information
AirGun (BOLT:1500LL)
Source Number: 36
Volume (cu in): 6600
Pressure (psi): 2000
Depth (m): 9.6
Distance to Near Channel (m): 139.3
Distance to Antenna (m): 100.6
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 636
Group Spacing (m): 12.5
Cable Length (m): 7950
Cable Depth (m): 6
Near Channel Number: 636
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
C-Nav Primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Details
Shot Spacing: 25m for sequence line 14
37.5m for sequence lines 34-38,40
50m for sequence lines 29,31,32,42-49
100m for sequence line 20
150m for sequence lines 22,24,26,27
Sample Interval: 500 microsecs for sequence lines 34-38,40
2000 microsecs for sequence lines 16,18,20,22,24,26,27,29,31,32,42-49
Record Length: 8 secs for sequence line 14
10 secs for sequence lines 34-38,40
15 secs for sequence line 49
16 secs for sequence lines 22,24,26,27,29,31,32,42-48
20 secs for sequence lines 16,18,20
240 channels recorded for sequence lines 34-38,40
480 channels recorded for sequence line 14
636 channels recorded for sequence lines 16,18,20,22,24,26,27,29,31,32,42-49
MGL0807_ACQ003 (Lines: 51-56, 58, 59, 71-73,75-81)
Source Information
AirGun (BOLT:1500LL)
Source Number: 36
Volume (cu in): 6600
Pressure (psi): 2000
Depth (m): 9.6
Distance to Near Channel (m): 139.3
Distance to Antenna (m): 150.6
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 636
Group Spacing (m): 12.5
Cable Length (m): 7950
Cable Depth (m): 6
Near Channel Number: 636
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
C-Nav Primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Details
Shot Spacing: 25m for sequence lines 53-56,58,59,77-79
50m for sequence lines 52,64,73,76,80,81
150m for sequence lines 67,68,70,71,75
200m for sequence lines 61,65,69
250m for sequence lines 60,62,63,66
500m for sequence line 51
Sample Interval: 500 microsecs for sequence lines 77-79
1000 microsecs for sequence lines 52-59
2000 microsecs for sequence lines 51, 60-71,73-75,76,80,81
240 channels recorded for sequence lines 77-79
480 channels recorded for sequence lines 52-59
636 channels recorded for sequence lines 51,60-71,73-75,76,80,81
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