The Philippine Institute of Volcanology and Seismology (Phivolcs) was recorded a magnitude 7.7 earthquake hit the sea area east of the country. The earthquake epicenter was recorded at the Philippine trench, east of Guiuan, Eastern Samar at 8:47 p.m., Friday, August 31, 2012.
According to Pacific Tsunami Warning Center (PTWC), "An earthquake of this size has the potential to generate a destructive tsunami that can strike coastlines in the region near the epicenter within minutes to hours."
Phivolcs listed the following intensities were felt in provinces near the earthquake.
Intensity 7
Guiuan, Oras, Sulat, Borongan City, Eastern Samar; Tacloban City
Intensity 6
Siargao, Surigao del Norte; Saint Bernard, S. Leyte
Intensity 5
Mati City; Compostela; Legaspi City; Iloilo City; Bislig City, Iligan City; Davao City; Cateel Davao Oriental ; Roxas City, Capiz
Intensity 4
Butuan City, Catbalogan City, Cagayan De Oro City; Dipolog City; Manukan, ZN; Polanco, ZN; Tagum, Davao del N., Digos City; Dumaguete City; Bacolod City
Intensity 3
Cotabato City, Mambajao, Camiguin, General Santos City; Dao, Capiz, Dingle, Iloilo; Kidapawan City; Jaro, Iloilo; Daet, Cam. Norte; Binalbagan Neg. Occ.; Sindanga, Zamboanga del Norte
Intensity 2
Marawi City, Sipalay City, Hinigaran, La Carlota La Granja, Neg. Occ., Cebu City
Meanwhile, Phivolcs said, "the tsunami warning alert in coastal areas of Visayas and Mindanao affected by the 7.7-magnitude earthquake has been cancelled."
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According to Pacific Tsunami Warning Center (PTWC), "An earthquake of this size has the potential to generate a destructive tsunami that can strike coastlines in the region near the epicenter within minutes to hours."
Phivolcs listed the following intensities were felt in provinces near the earthquake.
Intensity 7
Guiuan, Oras, Sulat, Borongan City, Eastern Samar; Tacloban City
Intensity 6
Siargao, Surigao del Norte; Saint Bernard, S. Leyte
Intensity 5
Mati City; Compostela; Legaspi City; Iloilo City; Bislig City, Iligan City; Davao City; Cateel Davao Oriental ; Roxas City, Capiz
Intensity 4
Butuan City, Catbalogan City, Cagayan De Oro City; Dipolog City; Manukan, ZN; Polanco, ZN; Tagum, Davao del N., Digos City; Dumaguete City; Bacolod City
Intensity 3
Cotabato City, Mambajao, Camiguin, General Santos City; Dao, Capiz, Dingle, Iloilo; Kidapawan City; Jaro, Iloilo; Daet, Cam. Norte; Binalbagan Neg. Occ.; Sindanga, Zamboanga del Norte
Intensity 2
Marawi City, Sipalay City, Hinigaran, La Carlota La Granja, Neg. Occ., Cebu City
Meanwhile, Phivolcs said, "the tsunami warning alert in coastal areas of Visayas and Mindanao affected by the 7.7-magnitude earthquake has been cancelled."
