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John Neal and Amanda Swan Neal of Mahina Expeditions bluewater voyaging school have weathered a few earthquakes and tsunamis in their decades of teaching others aboard their Hallberg-Rassy 46 sailboat, Mahina Tiare III. In the wake of the 2009 tsunami on Samoa, they devised an earthquake/tsunami awareness and response system that they now include in the Mahina Expeditions curriculum. With the goal of helping other sailors, the Neals allowed Practical Sailor to post this strategy.

https://www.practical-sailor.com/blog/NASA-Discusses-New-Distress-Alerting-System-10089-1.html?

Posted September 2017.