The shallow 5.9-magnitude quake struck about 120 kilometres southeast of the city of Tabriz, in East Azerbaijan Province, in the early hours of the morning.
Magnitude 7.1 quake strikes near the town of Ridgecrest with 11 times more force than an apparent foreshock that rattled the same area a day earlier.
The national disaster agency says operation to search for the bodies of victims in quake-tsunami zones will stop on Thursday (October 11) as death toll climbs to 1,763. As many as 5,000 people are believed missing.
"Earthquake swarms" follow magnitude-3.9 quake around Mount St Helens in Washington state, officials say.
California Governor Jerry Brown called on US lawmakers to pay more attention to dealing with natural disasters such as fires, floods and earthquakes.
In Iran 7,000 people were injured after the 7.3 magnitude earthquake struck the country. Residents are pleading for help as they have not been provided with shelter.
Mexico needs to focus on rebuilding after two earthquakes which killed more than 430 people. However, budget cuts to several disaster funds are hampering the country's recovery.
This year, unprecedented weather conditions and natural disasters caused billions of dollars of damage. Devastating floods, category 5 hurricanes and earthquakes are ravaging mainly the Caribbean, the Gulf of Mexico and the US.
The toll from The 7.1 magnitude quake in central Mexico will likely rise, as rescue crews and volunteers in Mexico City claw through the rubble of collapsed buildings looking for survivors and bodies.
One of the most powerful earthquakes ever to hit Mexico was followed by a Gulf coast hurricane, dealing another blow to the country.
The government has been spending money to repair the damage caused by the 2015 earthquake that claimed 9,000 lives, but people in rural areas say not enough is being done to help them.
A 7.3 magnitude undersea earthquake, measuring 617 km, struck southeast Philippines on Tuesday. The quake comes five days after a smaller tremor in the same area.
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