EARS_SEGMeNT - Marine Geoscience Data System

Sensor Data

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Seismic Reflection/Refraction

(Image Seismic, Segy)

Device Info

Seismic:MCS

Array

Repository

MGDS

Format

ASCII, JPEG, SEGD, SEGY

Shillington, Donna

NAU

Scholz, Christopher

Syracuse University

Chindandali, Patrick

Geological Survey Department of Malawi

Gaherty, James

LDEO

Accardo, Natalie

Penn State

McCartney, Tannis

Syracuse University

Trinhammer, Per

Aarhus Universitet

Wood, Douglas

Syracuse University

Kamihanda, Godson

Geological Survey of Tanzania

Mbogoni, Gabriel

Geological Survey of Tanzania

Related References

Event Logs

Line

Shillington, Donna

LDEO

Seismic Acquisition Parameters

Download As Text

EARS_SEGMeNT_ACQ001 (Lines: All lines (sequences 001-112).)

Source Information

AirGun

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Group Spacing (m): 12.5

Near Channel Number: 1

Used Active Tail Buoy: false

Nav System

GPS

WGS84

Acquisition System

Digital

Name: NotProvided

Details

Airgun shooting using a portable system. See acquisition parameters in the seismic line log and in the acquisition parameter document.

Source volume varied 500 cu.in. - 2580 cu.in.

Source depth varied 6m - 9m.

Shot spacing interval varied 12.5m - 250m.

Acquisition rate varied 1ms - 2ms.

Record length varied 5000ms - 15000ms.

Number of channels varied 24 - 120.

Streamer cable length varied 300m - 1500m.

Cable depth varied 6m - 9m.

Source to near channel varied 54m - 358m. See acquisition parameters in line log for more details.

References

Accardo et al., 2018 Constraints on Rift Basin Structure and Border Fault Growth in the Northern Malawi Rift From 3-D Seismic Refraction Imaging JGR Solid Earth . doi: 10.1029/2018JB016504

Scholz et al., 2020 Intrarift fault fabric, segmentation, and basin evolution of the Lake Malawi (Nyasa) Rift, East Africa Geosphere . doi: 10.1130/GES02228.1

Shillington et al., 2016 Acquisition of a Unique Onshore/Offshore Geophysical and Geochemical Dataset in the Northern Malawi (Nyasa) Rift Seism. Res. Lett. 87. doi: 10.1785/0220160112

Shillington et al., 2020 Controls on rift faulting in the North Basin of the Malawi (Nyasa) Rift, East Africa Tectonics . doi: 10.1029/2019TC005633

Wright, 2022 Heterogeneous Strain Distribution & the Effects of High Frequency Climate Change on the Evolution of Early-Stage Rift Systems: Case Studies from Lakes Tanganyika and Malawi (Nyasa), East Africa Thesis .

Scientific Personnel

Accardo, Natalie

Student:Graduate

Penn State

Chindandali, Patrick

Scientist

Geological Survey Department of Malawi

Class, Cornelia

Scientist:Investigator:Co-Principal

LDEO

Ebinger, Cynthia

Scientist:Investigator:Principal

Tulane University

Gaherty, James

Scientist:Investigator:Co-Principal

LDEO

Kamihanda, Godson

Scientist

Geological Survey of Tanzania

Mbogoni, Gabriel

Scientist

Geological Survey of Tanzania

McCartney, Tannis

Student:Graduate

Syracuse University

Nooner, Scott

Scientist:Investigator:Co-Principal

UNCW

Nyblade, Andrew

Scientist:Investigator:Principal

Penn State

Pritchard, Matthew

Scientist:Investigator:Principal

Cornell University

Scholz, Christopher

Scientist:Investigator:Principal

Syracuse University

Shillington, Donna

Investigator:Lead

NAU

Trinhammer, Per

Scientist

Aarhus Universitet

Wood, Douglas

Scientist

Syracuse University

Instruments

Seismic:MCS

Device Info

NotProvided

Platform Info

Array