Tsunami sen­sors missed 18-feet-high waves that killed 384 in Indonesia

DNA Sunday (Mumbai) - - FRONT PAGE -

Mag­ni­tude Depth Jakarta: Indonesia’s geo­physics agency lifted a tsunami warn­ing 34 min­utes af­ter it was first is­sued fol­low­ing a ma­jor earthquake that sent huge waves crash­ing into the north­east­ern coast of Su­lawesi is­land, killing at least 384 peo­ple.

The 7.5 mag­ni­tude quake and tsunami hit Palu. Hun­dreds of peo­ple had gath­ered for a fes­ti­val on the beach in Palu on Fri­day when 18-feet waves smashed on­shore at dusk.

The geo­physics agency said it fol­lowed stan­dard op­er­at­ing pro­ce­dure and made the call to “end” the warn­ing based on data from the clos­est tidal sen­sor, around 200 km from Palu. Rah­mat Triy­ono, head of the Earth­quakes and Tsunami Cen­tre said the clos­est tide gauge only recorded an “in­signif­i­cant” 2.5-inches wave and did not ac­count for the giant waves near Palu.


(Top) Cracks seen on a road in Palu in Cen­tral Su­lawesi on Satur­day. (Above) The ruin of a mosque badly dam­aged by an earthquake and a tsunami in Palu

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