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World Meteorological Organization-Official City Weather Forecasts |
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 Tsunami Monitoring in Hong Kong
Most tsunamis are generated by submarine earthquakes. Hong Kong has
not been seriously affected by any tsunami in recorded history, with the Philippines
Islands and Taiwan acting as an almost complete breakwater for such tsunamis in the
Pacific. Diffracted sea waves are much weaker and therefore the energy that arrives in
Hong Kong has been fairly small.
Hong Kong Observatory monitors warning messages issued by the Pacific Tsunami Warning
Centre (PTWC) and keeps a close watch on the sea water levels recorded by tide gauges in
Hong Kong. In the event of a tsunamigenic earthquake affecting Hong Kong, the Observatory
will issue a tsunami warning to the public.
Sea level
records of five very minor tsunamis detected in Hong Kong
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