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Changes for page AusPass Data

Last modified by robert on 2025/08/21 13:37
From version 6.1
edited by robert
on 2025/06/20 12:08
Change comment: There is no comment for this version
To version 8.1
edited by robert
on 2025/08/15 16:16
Change comment: There is no comment for this version

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... ... @@ -17,16 +17,15 @@
17 17  
18 18  == External Network data ==
19 19  
20 -We also host //some// waveform data from GeoScience Australia's national network **AU** and the global network **IU**. This is done as a convenience to our users as much of this data is concurrent and proximal to our networks. Again we reiterate that we only host **SOME** of this data, we do not have the resources to do a full clone. If we do not have the data you're looking for, it's best to try IRIS/Earthscope. If they don't have it, you should get in touch with Geoscience Australia 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.
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.
... ... @@ -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!age here.
57 +{{/warning}}
58 +
59 +