1. D McCormack, CTBT Infvrasound, KNMI Netherlands 29 October 2002 A Proposal for a Global Infrasound Event Archive David A McCormack 1, Laslo Evers 2, Hein Haak 2 & Jim Lyons 1 1 Geological Survey of Canada 2 KNMI, Netherlands

2. D McCormack, CTBT Infvrasound, KNMI Netherlands 29 October 2002 Provide open, unencumbered source of infrasound data Raise profile and encourage wider research community participation Motivation

3. D McCormack, CTBT Infvrasound, KNMI Netherlands 29 October 2002 Sources of data  Voluntary contribution from operators of any infrasound station, preferably via an automated system (eg AutoDRM) Organization of archive  Data organized by event: time series plus ancillary information  Hosted at both GSC Ottawa & KNMI De Bilt Data distribution  Public website – data available to any interested researcher via AutoDRM or a web interface in a wide range of formats Concept

4. D McCormack, CTBT Infvrasound, KNMI Netherlands 29 October 2002 Prototype data server operational  Running on Ottawa NWA mass store  Currently populated only with I10CA data First meeting of GSC/KNMI technical staff July 2002 Work initiated on mirroring at GSC Ottawa & KNMI De Bilt Work initiated on CSS3.0 support Current Status

5. D McCormack, CTBT Infvrasound, KNMI Netherlands 29 October 2002 Encouragement  Before we commit further resources, need a clear buy-in from the infrasound research community What do we need?

6. D McCormack, CTBT Infvrasound, KNMI Netherlands 29 October 2002 Milton Garces (ISLA, Hawaii) Jan Fyen (NORSAR) Anton Dainty (DTRA) Acknowledgements (so far….)