Changes for page AusPass Data
Last modified by robert on 2025/08/21 13:37
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... ... @@ -17,16 +17,15 @@ 17 17 18 18 == External Network data == 19 19 20 -We alsohost //some//waveformdatafromGeoScience Australia'snationalnetwork**AU** andtheglobalnetwork **IU**. Thisis done as a convenience to our users asmuchof this data is concurrentandproximalto our networks.Againwereiterate thatwe only host**SOME** of thisdata,wedo not have the resources to do a full clone.If we donot havethe data you're looking for, it'sbest to try IRIS/Earthscope. Ifthey don't haveit,you should getintouchwithGeoscienceAustralia directly.20 +We host //some// (a lot, but not all!) complimentary data from the [[Global Seismograph Network (GSN - IU)>>https://www.fdsn.org/networks/detail/IU/]], mainly NWAO, MBWA, and CTAO. 21 21 22 +We also archive live streams from the Seismology Research Centre (OZ) as well as the University of Melbourne (VW). 23 + 22 22 (% class="box warningmessage" %) 23 23 ((( 24 -AusPass no longer hosts AU network metadata~-~- you will have to get this from Earthscope/IRIS. AU network waveform data is still here.26 +NOTE AusPass no longer hosts AU network metadata~-~- you will have to get this from Earthscope/IRIS. 25 25 ))) 26 26 27 -[[Venn diagram of where AU network data is stored online>>image:GA_iris_auspass.png||data-xwiki-image-style-alignment="center" height="172" width="459"]] 28 - 29 - 30 30 == QA/QC == 31 31 32 32 Where possible, we will fix obvious timing errors such as constant time offsets and clock drifts and host the "fixed" version of the waveform data. Sometimes timing corrections cannot be reliably fixed (e.g. clocks jumping around too much intraday) and they are left as-is. Other times, issues were missed or could not be perfectly fixed. If you find any discrepancies, kindly just let us know when and where. ... ... @@ -33,7 +33,7 @@ 33 33 34 34 We do **not** fix north azimuth misalignments with the exception of perfectly inverted N-S alignments, which are extremely rare. 35 35 36 -We keep copies of the original raw data as well as [[a folder of timing corrections>>http://auspass.edu.au/timecorrections]] and are happy to facilitate access to these upon request. If you see any issues, please let us know. 35 +We keep copies of the original raw data as well as [[a folder of timing corrections>>http://auspass.edu.au/data/timecorrections]] and are happy to facilitate access to these upon request. If you see any issues, please let us know. 37 37 38 38 = Station Data = 39 39 ... ... @@ -46,3 +46,15 @@ 46 46 We host copies of Geoscience Australia's global earthquake catalog which is derived exclusively from the output of the [[Earthquakes@GA>>path:https://earthquakes.ga.gov.au/]] web portal. We do this by manually downloading CSV data and converting it to Seiscomp SCXML, then importing it into our server to be accessed via FDSN as event data. Because we must do this manually, our cloned earthquake catalog is only updated monthly (usually on the 1st). Note that information such as phase arrivals is unfortunately not provided by GA. 47 47 48 48 Soon we will also begin hosting regionally specific catalogs with full phase picks. 48 + 49 += SmartSolo Node Z Polarity bug = 50 + 51 +In late 2023 it was discovered that the vertical Z channel of all SmartSolo nodes is actually inverted relative to the standard expectation of "positive up" (vertical axis dip = -90). EarthScope's solution was to add a -1 multiplier to the //response data.// Because we have a much smaller volume of this data to fix, and far less of it already distributed prior to this announcement, we have opted to do the opposite; e.g. we invert the //raw data// because the data is what is wrong; not the response. 52 + 53 +As such, 54 + 55 +{{warning}} 56 +Do not mix up EarthScope's or the IRIS-NRL node response data with those available at AusPass. Theirs will likely be inverted relative to our data! 57 +{{/warning}} 58 + 59 +