Thread: missing 2004 waveform data for MCQ

On Aug 19, 2021, at 11:39 AM, Sandra Bourguignon (via IRIS) <data-request-help-bounce<at>lists.ds.iris.edu> wrote:

Hi,

1- I am trying to access waveform data from station AU.MCQ, which was
the closest to the 2004-12-23T14:59:04 M8.2 Macquarie Island earthquake.
According to your website, the station was opened in June 2004, but data
availability is from 2005-01-11 (see below):

curl -o MCQ_availability.txt
'http://service.iris.edu/fdsnws/availability/1/extent?net=AU&sta=MCQ&start=2004-01-01&end=2005-12-24&format=text&includerestricted=true&nodata=404'


#Network Station Location Channel Quality SampleRate Earliest Latest
Updated TimeSpans Restriction
AU MCQ -- BHZ M 20.0 2005-01-11T13:41:40.000000Z
2005-12-24T00:00:00.000000Z 2017-06-15T22:55:35Z 1192 OPEN

2- My waveform data requests have all returned code 404 for "no data":

curl -o test.ms
'http://service.iris.edu/fdsnws/dataselect/1/query?net=AU&sta=MCQ&loc=*&cha=BHZ&start=2004-12-23&end=2004-12-24'.

3- However, the ISC-EHB catalogue has time picks at MCQ for the
Macquarie earthquake and the other earthquakes in that sequence.

4- Where can i obtain the waveform data? Are you able to provide a
reason while data previous to 2005-01-11 at MCQ aren't available?

kind regards

Sandra

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