LABUAN BAJO, Indonesia — Searchers dug through collapsed buildings and landslide debris Sunday in eastern Indonesia as they searched for bodies and possible survivors a day after a powerful earthquake killed at least 47 people, injured more than 100 and displaced thousands.

At least 24 people died in Manggarai regency and 17 in neighboring East Manggarai, with additional fatalities reported in Sikka, Ngada and Ende regencies, the National Disaster Management Agency said. Rescuers were still searching for villagers feared buried beneath landslides triggered by the quake across six regencies on Flores, a predominantly Catholic island in Muslim-majority Indonesia.

The USGS said the magnitude 7.7 earthquake struck 68 kilometers (42 miles) north-northwest of Ende in East Nusa Tenggara province. The quake, at a depth of about 10 kilometers (6 miles) off the coast of Flores, rattled much of the island and sent residents fleeing in panic. Tremors were also felt in neighboring West Nusa Tenggara and parts of southern Sulawesi.

The disaster agency said the quake destroyed more than 900 homes and damaged nearly 450 more, forcing about 5,000 people into temporary shelters. Thousands more spent the night outdoors, fearing strong aftershocks. At least 167 public facilities, including schools, health centers and churches, were also damaged.

Relief workers have begun distributing rice, ready-to-eat meals, drinking water, blankets and medicine, while emergency shelters were being set up for displaced residents. Authorities said restoring electricity and communications as well as delivering aid to remote villages isolated by landslides remained among the biggest challenges.

The quake also struck Labuan Bajo, the gateway to Komodo National Park, one of Indonesia’s best-known tourist destinations. Landslides blocked sections of the Trans-Flores Highway, a roughly 700-kilometer (435-mile) road linking communities across the mountainous island.

Many residents continued to sleep outside rather than risk returning to damaged homes.

“The shaking was terrifying, so intense that my house nearly collapsed,” said Anastasia Imad, a farmer in Labuan Bajo, speaking from a makeshift green tent beside her damaged home. “We feared the aftershocks would bring it down on us while we slept.”

Rescue teams resumed searches Sunday in areas that had remained inaccessible since the quake, particularly in Manggarai, East Manggarai and Nagekeo regencies.

“We have cleared most landslides and reopened roads to previously isolated villages, although communication disruptions and power outages continue to hamper search efforts,” said Fathur Rahman, head of the Search and Rescue Office in Maumere, the capital of Sikka regency.

He said rescuers were focusing on searching the rubble of collapsed homes and other buildings for possible victims.

Indonesia, an archipelago of more than 17,000 islands, is prone to earthquakes and volcanic eruptions because of its location on the Pacific “Ring of Fire,” a horseshoe-shaped arc of seismic faults and volcanoes.

Flores has experienced some of the country’s deadliest disasters. A powerful earthquake and tsunami in 1992 killed about 2,500 people on the island.

In 2018, a magnitude 7.5 earthquake triggered a tsunami on Sulawesi that killed more than 4,400 people. In 2004, a magnitude 9.1 quake off Sumatra unleashed a tsunami that killed about 230,000 people in a dozen countries.

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Associated Press writers Niniek Karmini and Edna Tarigan in Jakarta, Indonesia, contributed to this report.