Kinansela na ng Philippine Institute of Volcanology and Seismology (Phivolcs) ang inilabas nitong tsunami warning kasunod ng magnitude 7.4 na lindol na yumanig sa baybayin ng Surigao del Sur nitong Sabado ng gabi, Disyembre 2.
Matatandaang nirekomenda ng Phivolcs nitong Sabado ng gabi na agad na lumikas at magtungo sa matataas na lugar ang mga residente sa costal areas ng Surigao del Sur at Davao Oriental dahil sa banta umano ng tsunami matapos yumanig ang magnitude 7.4 na lindol, na unang itinaas ng ahensya sa magnitude 6.9, sa Hinatuan, Surigao del Sur bandang 10:37 ng gabi.
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"Sea level monitoring stations confirmed the occurrence of tsunami with preliminary wave heights of 0.64 meter in Mawes Island, Hinatuan, 0.18 meter in Lawigan, Bislig City, 0.05 meter in Port of Dapa, Surigao del Norte and 0.08 meter in Mati, Davao Oriental," pahayag naman ng Phivolcs sa isang advisory na inisyu bandang 3:23 ng madaling araw nitong Linggo, Disyembre 3.
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"The last recorded tsunami wave arrival in the Philippines occurred at 02:52 AM (PST) at Hinatuan-Bislig Bay Station on Mawes Island. This means that the tsunami threat associated with this earthquake has now largely passed the Philippines. Consequently, DOST-PHIVOLCS has now cancelled all Tsunami Warnings issued for this earthquake event,” dagdag nito.
Samantala, inabisuhan ng ahensya ang mga lokal na pamahalaan sa coastal areas ng Surigao del Sur at Davao Oriental na siyasatin ang sitwasyon sa kani-kanilang mga lugar.
"The local government of threatened coastal areas should take actions to assess the tsunami’s impact and accordingly inform and instruct the coastal population at risk. People of threatened communities are still advised to follow instructions from local officials as they safely resume their normal activities," anang Phivolcs.
"Boats at sea are still advised to follow instructions from the Coast Guard or appropriate port authorities as they safely return to the coast. This will be the final tsunami information issued for this event," saad pa ng ahensya.
