Around 5,000 people have been evacuated after a magnitude-7.7 earthquake smashed an area in eastern Indonesia, killing at least ​51, blocking roads and causing landslides, authorities said on Sunday, Reuters reported. 

Thirty-six people were seriously injured in the Saturday morning quake in East Nusa Tenggara province, while 77 had minor injuries, Deputy Health Minister Benjamin Paulus Octavianus told a televised meeting.