network helps forecasting:How the DART® N
The information collected by a network of DART® systems positioned at strategic locations throughout the ocean plays a critical role in tsunami forecasting.The current deployed DART location (from NDBC) are shown on the map at the right.
When a tsunami event occurs, the first information available about the source of the tsunami is based only on the available seismic information for the earthquake event. As the tsunami wave propagates across the ocean and successively reaches the DART® systems, these systems report sea level information measurements back to the Tsunami Warning Centers, where the information is processed to produce a new and more refined estimate of the tsunami source. The result is an increasingly accurate forecast of the tsunami that can be used to issue watches, warnings or evacuations.
This video about the 2010 Chile tsunami explains the role of the DART® buoy in tsunami forecasting.
According to ‘the watchers’, this has never happened before. Is this just some kind of ‘glitch’ with our government reporting centers or is there more to it?
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