The Philippine Institute of Volcanology and Seismology (Phivolcs) on Wednesday midnight, April 5, canceled its tsunami advisory in Catanduanes, Northern Samar, and Eastern Samar as there have been no significant sea level disturbances recorded after the 6.6-magnitude earthquake that hit Gigmoto, Catanduanes.
Courtesy of Phivolcs "Based on available data of our sea level monitoring stations facing the epicentral area, no significant sea level disturbances have been recorded since the 08:54 PM earthquake up until this cancellation of the advisory," the agency said. The quake was recorded 150 kilometers northeast of Gigmoto, Catanduanes, at 13.76°N, 125.51°E. "Reported Intensities: Intensity II - Palo, LEYTE Instrumental Intensities: Intensity IV - San Jorge, SAMAR Intensity II - Legazpi City, Legaspi, ALBAY; Daet, CAMARINES NORTE; Sipocot, Iriga City, Pili, CAMARINES SUR; Kananga, Dulag, Abuyog, LEYTE; San Roque, NORTHERN SAMAR; Bulusan, Prieto Diaz, SORSOGON Intensity I - Ragay, Pasacao,  CAMARINES SUR; Quinapondan, EASTERN SAMAR; Palo, Alangalang, LEYTE; Monreal, Uson, MASBATE; Gumaca, Polillo, Mauban, Guinayangan, QUEZON; Donsol, SORSOGON," the agency said. Phivolcs, in its initial bulletin on Tuesday, April 4, said that waves measuring less than one meter above normal tides are expected to arrive between 9:02 p.m. to 12:54 a.m. in the coasts of said provinces.