Kermanshah, an nearly entirely Kurdish province nestled in the Zagros Mountains that run along the border with Iraq, suffered all of Iran's fatalities from the temblor Sunday night that shook 14 of the country's 31 provinces.
"I was living on the fourth floor", said Ali Biabani, a labourer in his 50s.
My family lives in a village near Sarpol-e Zahab.
After initially pinning the quake's epicentre inside Iraq, the USGS then placed it across the border in Iran on Monday morning.
Red Crescent Relief and Rescue teams from Kurdistan and Markazi provincial branches are providing relief and rescue services in the city of Salase-Babajani, teams from Lorestan to Qasre-Shirin and teams from Hamedan to Sare-Pule-Zahab.
Tents, some provided by the Red Crescent, dotted green spaces turned into camps for the displaced.
Officials said 22,000 tents, 52,000 blankets and tonnes of food and water had been distributed.
"What we need is a tent and covers to be able to get through the night", said 24-year-old mother Shima Maryami Kiani.
Mr Rouhani, promising victims emergency financial assistance, said in Kermanshah: "I want to assure those who are suffering that the government has begun to act with all means at its disposal and is scrambling to resolve this problem as quickly as possible".
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Rouhani said all aid would be channelled through the Housing Foundation, a charitable trust and major player in Iran's economy. Moezi said there was a need for more relief material and "security".
The worst damage appeared to be in the Kurdish town of Sarpol-e-Zahab in the western Iranian province of Kermanshah, which sits in the Zagros Mountains that divide the two countries. Seven towns and almost 2,000 villages were damaged, authorities said, and several villages were completely wiped from the map.
Three days of mourning have been ordered for those in Kermanshah.
Temperatures in Kermanshah province fell close to freezing for the second night in succession.
Ali Daei, a legend of Iranian football and former national team coach, launched an appeal for food and basic supplies. In the nearby Kurdish town of Eslamabad, a hospital only recently inaugurated by the government collapsed, killing several people there, lawmaker Heshmatollah Falahatpisheh said. Iranian President Hassan Rouhani is scheduled to visit there Tuesday to assess damage and oversee rescue work.
Iran sees frequent seismic activity.
One of the region's worst quakes struck Bam in Iran in 2003 and killed at least 31,000 people. In 2003, a magnitude 6.6 quake flattened the historic city of Bam, killing 26,000 people.
Rescue operations have ended in areas of Iran hit by a powerful weekend natural disaster that killed at least 530 people and injured more than 8000, as many survivors, in need of food and water, battled the cold.