"As the search continued, rescuers pulled a five-year-old boy from the rubble, who had survived because he was protected by a mattress."

"In a video of the rescue posted by a local fire department, Azka, who had been trapped for two days, appeared conscious and calm as he was lifted to safety. '[Azka] is fine now, not wounded,' his relative Salman Alfarisi, 22, said.... 'The doctor said he’s only weak because he’s hungry.'"

 From "Five-year-old boy pulled from Indonesia earthquake rubble after two days/Azka, whose mother died in disaster, probably survived due to being protected by a mattress, while 40 people remain missing in Cianjur" (Guardian).

Rescuers remain hopeful that more survivors will be pulled from the rubble, but they are “running against the clock”, according to Deni Kurniawan, a rescue team leader for the Jakarta-based NGO Human Initiative.

“We hope we will [have] more miracles,” he said. “Yesterday we were told that a pregnant woman was inside her house. Our team found her, but we lost them both, her and the baby. It’s a really distressing situation. “The earthquake happened in the day time when mothers and children were at home, and the fathers were working in the rice fields. Most of the casualties are mothers and children.”...

While the magnitude would typically be expected to cause light damage to buildings and other structures, experts say proximity to fault lines, the shallowness of the quake and inadequate infrastructure that cannot withstand earthquakes all contributed to the damage....

[Karlo Purba, the Indonesia programme director of the Adventist Development and Relief Agency (ADRA) said] “[T]he problem is poor construction. Earthquakes don’t kill, poor buildings kill.”