[Parameters: Topic='SOLID EARTH', Term='TECTONICS', Variable_Level_1='EARTHQUAKES']
The deep structure of East Antarctica from broad-band seismic dataEntry ID: ASAC_2303
Abstract: Metadata record for data from ASAC Project 2303
See the link below for public details on this project.
---- Public Summary from Project ----
Seismologists investigate deep Earth structure by interpreting waveforms from distant earthquakes. High-fidelity instruments deployed in Antarctica enabled new details to be imaged in the crust and mantle beneath the ice-covered regions crossed by the ... earthquake waves. The deep structure tells the story of the ongoing evolution of the tectonic plates.
Work was completed as part of the SSCUA project (Seismic Structure of the Continent Under Antarctica).
Contains waveform data on unix-compatible DVD for all events in the Harvard CMT catalogue (generally events greater than magnitude 5.5) occurring during instrument deployment/up time.
/meta = raw data processing information (limited further use)
/oseed = Orion recorder seed event archive
Within /oseed, are service directories, and then /year/month/file.sed directories and files. Depending on data volumes the final files are either day or hour archives containing data from all stations bundled into that service directory. It may be appropriate to search several service directories for data from all stations since there can be nearly a year delay between data being recorded and uplifted.
Locations, and location codes are as follows:
Location: DA01 -68.5747 077.9801 DAVI DAVIS >
Location: AL01 -70.2524 065.8629 JACK JACKLYN PEAK >
Location: AL02 -70.8034 068.1741 BVLK BEAVER LAKE >
Location: AL03 -70.4539 072.5512 REIN REINBOLT HILLS >
Location: AL04 -72.5071 064.1736 CRES MOUNT CRESSWELL >
Location: AL05 -70.9275 068.6175 NMES NORTH MAWSON ESCARPMENT >
Location: AL06 -75.2725 063.6354 KOMS KOMSOMOLSKIY PEAK >
Location: AL07 -71.5160 067.3934 FISH FISHER MASSIF >
Location: AL08 -72.9060 074.8940 GROV GROVE MOUNTAINS >
Location: AL09 -74.2987 066.7933 WILS WILSON BLUFF >
Data are in seed (Standard for the Exchange of Earhtquake Data) format and may be extracted using rdseed (version 4.3) available from the IRIS (Incorporated Research Institutes for Seismology) software library.
Data Set Citation
Dataset Originator/Creator: Reading, Anya
Dataset Title: Broadband seismic data
Data Presentation Form: Continuous digital records
Start Date: 2001-12-01
ISO Topic Category
Quality Event header information may be incorrect where more than one earthquake is archived in a given &day& file. Users will have to re-enter such catalogue information by editing SAC (Seismic Analysis Code) headers.
Access Constraints These data are not yet publicly available. They will not become publicly available until May of 2007.
Use Constraints This data set conforms to the PICCCBY Attribution License
Data Set Progress
Distribution Media: HTTP
Distribution Size: 4.3 GB
Distribution Format: UNIX, seed
Role: TECHNICAL CONTACT
Role: DIF AUTHOR
Phone: +61 3 6226 2477
Email: anya.reading at utas.edu.au
University of Tasmania
City: Sandy Bay
Province or State: Tasmania
Postal Code: 7005
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2002-07-02
Last DIF Revision Date: 2014-08-29