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SWP-TWG Report to ICG/PTWS-XXII

SWP-TWG Report to ICG/PTWS-XXII. Ken Gledhill GeoNet Project Director GNS Science. ICG/PTWS-SWP-TWG Terms of Reference. to evaluate capabilities of countries in these regions for providing end-to-end tsunami warning and mitigation services;

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SWP-TWG Report to ICG/PTWS-XXII

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  1. SWP-TWGReport to ICG/PTWS-XXII Ken Gledhill GeoNet Project Director GNS Science

  2. ICG/PTWS-SWP-TWG Terms of Reference • to evaluate capabilities of countries in these regions for providing end-to-end tsunami warning and mitigation services; • to ascertain requirements from countries in the Southwest Pacific Ocean for the tsunami warning and mitigation services; • to facilitate tsunami hazard and risk studies in the region; • to facilitate cooperation in the establishment and upgrading of seismic and sea level stations and networks in the region, and the interoperability of these systems; • to facilitate capacity building and the sharing of tsunami information in the region, including the free and open exchange of data; • to support the development of the centre of expertise in a multi-hazards context within SOPAC in line with the SOPAC strategies for enhancing early warning in the region. ICG/PTWS-XXII, Guayaquil, Ecuador, 17-20 September 2007

  3. SWP-TWG Meeting Recommendations (1) • The working group acknowledges the current projects which relate to TOR 1, 2 and 3: • Tsunami capability assessment in the SW Pacific • Tsunami hazard and risk assessment in the SW Pacific • And requests that the organisations involved in carrying out the work provide progress reports to working group members by 30 June 2007 for deliberation before the PTWS meeting in September 2007; • We further request that copies of the proposals be provided to include with the minutes on the working group. ICG/PTWS-XXII, Guayaquil, Ecuador, 17-20 September 2007

  4. SWP-TWG Meeting Recommendations (2) • That PTWC be requested to continue to provide coverage in the SW Pacific until a regional warning system capability has been established; • The region has identified that it may need warnings for shallow earthquakes below M 6.5 and perhaps down to a suggested magnitude limit of 5.7; • identify, and form a database of existing instrumentation; • complete a gap analysis in the region to identify where stations (sea level and seismic) are required to allow effective detection of regional tsunami events; • A network design be carried out to (seismic and sea level station) to allow effectively detection of regional tsunami events; • Coordination of donor contributions to allow the necessary work to be carried out to achieve the network required to provide effective tsunami detection in the region. ICG/PTWS-XXII, Guayaquil, Ecuador, 17-20 September 2007

  5. Progress Since Working Group Meeting (1) • The first (preliminary) stage of a hazard and risk assessment (AusAid funded) for PICs has been completed by GA in association with; • A pilot capacity and capability survey was carried out in Tonga in June by BoM (AusAid funded); • A list of currently available seismograph stations in the region has been compiled, but no gaps analysis or network design work has been done; • Australia is making progress with the rollout of the proposed seismograph and sea level stations in the SWP, but several new sites are waiting for the signing of MOU documents with the host countries; ICG/PTWS-XXII, Guayaquil, Ecuador, 17-20 September 2007

  6. Progress Since Working Group Meeting (2) • Both Australia and New Zealand have continued the upgrade of their own seismograph and tsunami-gauge (sea-level) networks; • Further progress has been made on the “Strategy for Enhancing Early Warning for Pacific Island Countries”; • Several PICs are considering joining PTWS, and it is hoped that at least some more will have completed the process by the time of ICG/PTWS-XXII; • The action planning session at the PTWS Tsunami Warning Operations Seminar in April highlighted a number of challenges facing PICs. ICG/PTWS-XXII, Guayaquil, Ecuador, 17-20 September 2007

  7. Pacific Island Country (PIC) challenges: • The need for clarity in-country who is driving the tsunami early warning system; • the various communications challenges all PICs are facing; • ensuring that outreach tools are utilised; • that interoperability exists between warning centre; and • building relationships between the warning authorities and the local and international media. ICG/PTWS-XXII, Guayaquil, Ecuador, 17-20 September 2007

  8. Recommendation to ICG/PTWS-XXII: • Because the objectives of the working group are far from achieved, the Working Group recommends that its work continues into the next inter-sessional period. • A Sessional working group will convene to formulate and draft revised TORs and to discuss future activities. ICG/PTWS-XXII, Guayaquil, Ecuador, 17-20 September 2007

  9. The Working Group invites comment from the Group on the following: • What should the shape of a tsunami warning system in the SWP be in future? • Should the function become a part of one of the existing or developing warning centres, or is a separate centre required? • The "Strategy for Enhancing Early Warning for Pacific Island Countries" suggests that this function can be carried out by a coordination of national capability. Is this a good approach? • How should the business of the PTWS/SWP-TWG be funded (meetings, secretariat, etc.), and how should it be organised? • What should the relationship be, for example, between this working group and SOPAC? ICG/PTWS-XXII, Guayaquil, Ecuador, 17-20 September 2007

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