Weather 
JAKARTA, Indonesia — A powerful magnitude 7.7 earthquake struck off the coast of Indonesia early Saturday, collapsing buildings and homes, killing at least five people and causing panic in a region prone to deadly quakes.
Authorities issued a tsunami warning and urged coastal residents to move to higher ground, but later lifted the warning when Indonesia’s Meteorology, Climatology and Geophysics Agency said monitoring showed no significant sea-level changes that would pose a threat to coastal communities.
The U.S Geological Survey said the quake hit Indonesia’s Flores region with a depth of 10 kilometers at 5:58 a.m. local time. Its epicenter was 68 km (42 miles) north-northwest of the city of Ende in East Nusa Tenggara province. The initial quake was followed by several aftershocks.
A powerful magnitude 7.7 quake has struck off the coast of Indonesia, the USGS said. The quake hit Indonesia’s Flores region.
East Nusa Tenggara police chief Rudi Darmoko said preliminary reports indicate two fatalities in Sikka Regency and three in Manggarai Regency as the earthquake caused severe damage and collapsed buildings. He said power outages in cities and villages have hampered the flow of information and complicated search and rescue efforts.
“We are continuing to collect reports of damages and casualties, but there are communication disruptions,” Darmoko said,
Footage on local television showed patients at several hospitals being evacuated from buildings as a precaution following the quake. Hospital staff moved equipment outdoors, including beds, IV stands and oxygen cylinders, and set up temporary treatment areas to adapt to emergency conditions.
Quake felt on Flores island and other areas
The quake was felt across much of Flores island with initial reports indicating heavy damage.
Yohanna Embu, a resident of Sikka regency, said a number of buildings were damaged by the strong shaking and panicked people ran to higher ground.
“Many buildings here were damaged … I saw that the waiting room at the port terminal in Maumere had collapsed,” she said.
7 has compiled a list of items that are important to have in your earthquake kit so that you’re prepared for “the big one.”
Students at St. Peter Major Seminary in Sikka who were attending morning Mass fled in panic when the roof of an assembly hall collapsed, said the Rev. Guidelbertus Tanga, rector of the seminary, which is known locally as Ritapiret Seminary on the predominantly Catholic island of Flores.
“Our students and nuns ran out in panic beneath a collapsing roof,” Tanga said. “At least one priest suffered a broken leg after jumping from the second floor of a building during the quake.”
The quake also reportedly caused panic in Bima, a city in neighboring West Nusa Tenggara province. There were also damages reported in some part of southern Sulawesi island.
Indonesian authorities initially issued a tsunami warning for parts of East Nusa Tenggara, West Nusa Tenggara, South Sulawesi and Southeast Sulawesi provinces, and urged residents to stay away from beaches and riverbanks. The agency located the shallow undersea quake near Flores island.
Indonesia prone to earthquakes
Indonesia, a vast archipelago of more than 17,000 islands, is prone to earthquakes and volcanic activity because of its location on the “Ring of Fire,” an arc of volcanoes and fault lines in the Pacific Basin.
A powerful earthquake caused a tsunami in 1992 that killed about 2,500 people on Flores, part of a group of islands in the eastern half of Indonesia.
In 2018, a magnitude 7.5 quake spawned a large localized tsunami that wiped out coastal areas, while liquefaction caused by the shaking turned entire neighborhoods into rivers of sludge in the eastern Indonesian city of Palu, on the Palu-Koro Fault. The disaster killed more than 4,400 people.
In 2010, a 10-foot (three-meter) wave struck the Mentawai Islands, off the western coast of Sumatra in Indonesia, just minutes after a massive offshore earthquake. More than 400 people were killed and hundreds of homes were destroyed.
In December 2004, a massive magnitude 9.1 earthquake off Sumatra in western Indonesia triggered a tsunami that killed 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.
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