Two strong earthquakes hours apart struck a group of sparsely populated islands in the Luzon Strait in the northern Philippines early Saturday, killing at least eight people, injuring about 60 and damaging ancestral houses famous among tourists.
The quakes collapsed homes of stone and wood and roused residents from sleep, said Roldan Esdicul, who heads the Batanes provincial disaster-response office. Footage showed people clearing boulder-size stone bricks to pull out one body from the rubble.
"Our bed and everything were swaying from side to side like a hammock," Esdicul told The Associated Press by cellphone from Basco town, the provincial capital. "We all ran out to safety."
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On hard-hit Itbayat island, school teacher Agnes Salengua-Nico said she and her husband woke up horrified with the ground shaking and a cabinet crashing to the floor. Their house withstood the shaking but others in the neighborhood crumbled, pinning residents inside, she said.
"We're out now in the farm with our three pigs because we're very, very scared of the aftershocks," she told AP by phone, her voice trembling shortly after the ground shook again.
More than 2,000 residents of Itbayat — nearly all of the island's population of mostly fishermen — were advised not to return to their homes and stay in the town plaza as successive aftershocks shook the region, Esdicul said.
Only one villager remained missing in the quake's aftermath, he said.
Army troops and additional doctors later flew in after Itbayat's airport runway was declared safe.
The quakes measured 5.4 and 5.9 at relatively shallow depths, the Philippine Institute of Volcanology and Seismology said. A third quake with a magnitude of 5.8 struck at sea west of Batanes later Saturday, it said.
Esdicul said he was already in his office with the provincial governor when the second and more powerful quake struck about three hours after the first shock. "We have to hold on because you can't stand or walk. It was that strong," he said.
The initial quake severely cracked the bell tower of the island's old limestone church, the 19th-century Santa Maria de Mayan, a popular tourist attraction. The tower crumbled down when the second temblor hit the island, he said.
A one-story hospital was damaged, prompting patients to be evacuated and brought out in the open with dozens of injured quake victims. Some were later crammed into a basketball court with a roof due to heavy rains, Esdicul said.
Seven of those injured who sustained serious fractures were airlifted out of Itbayat to a bigger provincial hospital, he said.
Itbayat, part of the country's northernmost Batanes Islands, has a population of about 2,800 people and lies in the Luzon Strait that separates the Philippines and Taiwan. The islands are famous for their tiny ancestral stone houses with coral walls and cogon grass roofs and are often lashed by seasonal typhoons.
As the quake jolted Batanes, thousands of residents were holding a pre-dawn earthquake drill about 250 kilometers (155 miles) to the south in metropolitan Manila, which was not affected by the quake. Some journalists asked why the drills needed to be held so early in the morning, said Renato Solidum, a prominent seismologist and disaster-response expert who helped lead the drills.
When the earthquake hit Batanes shortly after, it helped officials underscore the fact that disaster can strike anytime, Solidum said.
One of the world's most disaster-prone countries, the Philippines has frequent earthquakes and volcanic eruptions because it lies on the so-called Pacific "Ring of Fire," a seismically active arc of volcanos and fault lines in the Pacific Basin. A magnitude 7.7 quake killed nearly 2,000 people in the northern Philippines in 1990.