Hundreds of aftershocks were reported in the hours following the initial tremor, which was felt in Mexico City, some 700 kilometers (430 miles) distant from the epicenter in Crucecita, in Oaxaca state.
"There's no tsunami potential and, so far, no reports of any damage," Rahmat Triyono, spokesman for Indonesia's Meteorology, Climatology, and Geophysics Agency told the media.
Rescue teams in the southern Philippines searched for signs of life on Monday in a collapsed shopping centre after a powerful earthquake that killed at least three people and wounded dozens more.
The Turkish government's disaster and emergency management agency (AFAD) said 31 people died, the majority in Elazig but at least four in nearby Malatya, and 1,607 were injured.
The epicentre of the earthquake was 41.7 kilometres beneath the Pacific seabed, less than 50 kilometres off the coast of Miyagi prefecture, the USGS said on its website, rating the risk of casualties and damage as low.
A powerful 7.8 earthquake struck the Alaska Peninsula late on Tuesday, triggering a tsunami warning that sent residents fleeing to higher ground before it was called off without any damaging waves.
The quake struck just off the coast before 8am local time (2000 Sunday GMT) at a depth of about 52 kilometres (32 miles) near Levin, about 90 kilometres north of Wellington, the US Geological Survey said.
One man, a retired police colonel, was killed when his three-storey house collapsed, while four people suffered minor injuries, provincial administrator Rino Revalo told DZMM radio station.
Indonesia's Meteorology, Climatology, and Geophysical Agency reported that shallow earthquakes are felt more strongly than deeper ones, as they are closer to the surface.