Deaths as a result of the quake have since been reported. The USGS has posted an orange-level alert for shaking-related fatalities. This signifies that "significant casualties are likely and the disaster is potentially widespread."
A powerful, shallow earthquake has rocked southern Iran on Tuesday.
There were no immediate reports of injury or damage.
The quake had a preliminary magnitude of 6.3, with an epicenter about 55 miles (89 km) southeast of Bandar Bushehr, the USGS Earthquake Hazards website said. The focal depth was only 6 miles (10 km).
Estimated maximum shaking was Mercalli intensity VIII, which is defined as "severe," having "moderate" to "heavy" damage potential, the USGS website showed.
A magnitude 5.4 aftershock followed within about 13 minutes.
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A cold front will usher in cooler air into the Northeast this week but not before sending severe storms through the region.
Building heat across Europe this week will approach monthly and all-time record high levels in several cities.
Unsettled weather responsible for flooding downpours in Florida last week will gradually lessen over the next several days.
Public officials are in the process of eliminating Naegleria Fowleri, a brain-eating amoeba, from two drinking water supplies in Louisiana.
After months of below-normal rainfall, Santiago, Chile, could finally receive several days of rainfall this week.
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