The Pacific Tsunami Warning Center lifted a tsunami alert for the Philippines and Indonesia on Friday after a major 7.6 earthquake.
The cancellation came shortly after NOAA (the US National Oceanic and Atmospheric Administration, which oversees the warning center) reported that the first small waves generated by the quake had made landfall, as a 16-centimeter tsunami was observed in the eastern Philippines on Friday following the 7.6 quake (the United States Geological Service had initially reported the quake as having a magnitude of 7.9, but revised it to 7.6).
“We have confirmed a 16 centimeter wave reported in Surigao, but no information yet from other areas,” Philippine Institute of Volcanology and Seismology (Phivolcs) chief Renato Solidum said on DZMM radio.
“When no major waves are observed for two hours after the estimated time of arrival, or damaging waves have not occurred for at least two hours, then local authorities can assume the threat has passed,” the Pacific Tsunami Warning Center said on its website. But “danger to boats and coastal structures can continue for several hours due to rapid currents,” the statement added.