The U.S. Geological Survey puts the quake's magnitude at 5.8 at a depth of 10 kilometers (6.2 miles).
The temblor struck Tark county in Iran's Eastern Azerbaijan province at 2:17 a.m., Iran's seismological center said. Sign-up now and enjoy one (1) week free access! At least three villages near Mianeh, the most populous city in the province, have been badly damaged, Press TV reported, citing officials.
"Unfortunately six people were killed and 345 were injured", Iran's emergency medical services chief Pirhossein Kolivand told state TV.
East Azerbaijan's provincial governor also said that as many as 400 homes in rural areas are reported to have been damaged in the quake.
15,000-year-old mammoth traps are first proof of ancient hunters
Previously, anthropologists and archaeologists surmised that mammoth hunting mostly happened on accident, or serendipitously. The site dates back to the late Pleistocene, better known as the last ice age, when glaciers blanketed much of the Earth.
Back in August 2012, over 300 were killed and more than 3,000 injured after twin earthquakes with magnitudes of 6.4 and 6.2 rocked the province, leaving behind a trail of destruction.
EMSC said the quake was felt by some 20 million people.
Criss-crossed by several major fault lines, Iran is one of the most earthquake-prone countries in the world.
A rescue worker searches the debris with his sniffing dog on the natural disaster site in Sarpol-e-Zahab in western Iran, Tuesday, November 14, 2017.
A magnitude-3.2 quake previously rattled the San Simeon area on Sunday evening. In 2003, a 6.6 magnitude natural disaster devastated the historic Bam city, killing 26,000 people.