August 9 ------ The Philippine Institute of Volcanology and Seismology (Phivolcs) said it had not detected a tsunami threat to the country after a strong earthquake struck Kyushu, Japan. Phivolcs said the 6.9-magnitude earthquake hit Japan’s southwesternmost island at 3:42 p.m. “No destructive tsunami threat exists based on available data,” it pointed out, adding that “no action is required.”
Phivolcs explained that tsunamis are a series of sea waves commonly generated by undersea earthquakes and can reach heights of more than 5 meters. It clarified that tsunamis are often mistakenly referred to as tidal waves and are sometimes confused with storm surges.
Source: mb.com.ph
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