sea level station

…adequate warnings using data acquired in near-real time (one-minute sampled data transmitted every 15 minutes or better). Sea level stations are also used for monitoring long-term sea level change and climate change studies, where…

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tsunami forecast

…the amplitude of the maximum tsunami waves, and the duration of the tsunami hazardForecasts are primarily produced by warning centres using the output of numerical models. These may include travel time models, propagation…

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refraction diagrams

Models using water depths, direction of wave, separation angle, and ray separation between two adjacent rays as input, produce the path of wave orthogonals, refraction coefficients, wave heights, and travel times.

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GPS wave gauge

A surface buoy with a Global Positioning System (GPS) antenna moored about 20 km from coast to monitor sea level changes using real time kinematic (RTK) GPS technique with a land-based station. The…

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ICG

…requires the participation, cooperation and contribution of many national and international seismic, sea level, communication, and dissemination facilities throughout the region. The ICG is comprised of Member States in the region. Currently, these are ICGs…

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ITIC

…assessment and mitigation activities, works with the World Data Service for Geophysics to collect historical event data, and serves as a resource for the development, publication, and distribution of tsunami education and preparedness materials. (http://www.tsunamiwave.info)…

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ITSU Master Plan

The principal long-term guide for improving the TWS. The Plan provides a summary of the basic elements which comprise the TWS, a description of its existing components, and an outline of the activities,…

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JMA

…around Japan and the northwest Pacific, and interim services for the South China Sea region, in close coordination with the PTWC. From 2005-2012, JMA and PTWC provided interim services for the Indian Ocean. (http://www.jma.go.jp/jma)…

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