Death toll in Indonesia Earthquake reaches 37, dozens injured
The powerful quake was also felt on the neighbouring island of Bali, one of Indonesia's most popular attractions, where people ran onto the streets in terror.
The shallow seven-magnitude tremor struck just 10 kilometers (six miles) underground, according to the US Geological Survey, followed by further secondary quakes and nearly two dozen aftershocks.
It was the second quake to hit Lombok, whose beaches and hiking trails draw holidaymakers from around the world, in a week.
Agung Pramuja, a senior official with the Mataram search and rescue agency, told AFP the death toll had climbed to 37.
Residents of the city described a strong jolt that sent people scrambling to get out of buildings.
"Everyone immediately ran out of their homes, everyone is panicking," Iman, who like many Indonesians has one name, told AFP.
Pictures showed patients lying on their beds outside the clinic while doctors in blue scrubs attended to them.
Sutopo Purwo Nugroho, the spokesman for Indonesia's disaster mitigation agency, said most of the damaged buildings in the city were built with substandard construction materials.
"Walls cracked, it was quite impossible to stand up," he said.
The quake caused light damage as far away as the Javanese city of Bandung, some 955 kilometers from Mataram, but was felt strongly on the neighboring resort island of Bali.
People could be heard screaming as locals and tourists ran onto the road.
Agung Widodo, a resident of Bali's main town of Denpasar, said he felt two strong tremors.
"The first one lasted quite a while, the second one was only about two-to-five seconds. The first one was the bigger one," he told AFP.
Early reports suggest the quake wrecked buildings in several districts across Bali.
It triggered landslides that briefly trapped trekkers on popular mountain hiking routes.
Indonesia, one of the most disaster-prone nations on earth, straddles the so-called Pacific "Ring of Fire", where tectonic plates collide and many of the world's volcanic eruptions and earthquakes occur.
In 2004 a tsunami triggered by a magnitude 9.3 undersea earthquake off the coast of Sumatra in western Indonesia that killed 220,000 people in countries around the Indian Ocean, including 168,000 in Indonesia.
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