A new strong earthquake has hit central Italy on October 30, Reuters reports citing the United States Geological Survey (USGS) and local broadcasters.
The 7.1-magnitude earthquake strikes near of Norcia, 100 miles from capital Rome.
This comes only three days after two more tremors shook the region on October 26, leaving villages partly destroyed.
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There were no immediate reports on damage or casualties caused by the quake.
But local RAI TV reports that the quake was powerful enough to wake the residents of Rome, who reported walls of the buildings shaking.
Initial reports on the magnitude of the tremors varied – while USGS and Italian media talked of a 7.1-strong earthquake, the European-Mediterranean Seismological Centre (EMSC) said the tremor was 6.6-magnitude.
Italy’s National Commission for the Forecast and Prevention of Major Risks (CGR) cautioned on October 28 that more powerful earthquakes could hit the region in the nearest future, identifying at least three areas at risk for further seismic activity.
“There is no current evidence that the [seismic] sequence underway is coming to an end,” the commission warned.
Western Indonesia has been hit by a 7.8 magnitude earthquake, the US Geological Survey (USGS) reports.
There have been no immediate reports of damage.
According to the USGS, the earthquake struck at 19:49 local time. It said the epicenter was 500 miles south-west of the city of Padang, and 15 miles deep.
Indonesian officials issued a tsunami warning for the regions of West Sumatra, North Sumatra and Aceh.
Australia also issued a tsunami warning for Cocos Island and Christmas Island in the Pacific. It also issued a tsunami watch for Western Australia but this was later lifted.
Australia’s Bureau of Meteorology said evacuations were not required on the islands but advised people to “get out of the water and move away from the immediate water’s edge”, because of the risk of dangerous waves and currents.
Authorities in India said their initial assessment was that there was no tsunami threat. Sri Lankan media also reported the country’s disaster management centre as saying there was no threat.
The earthquake was felt strongly in Padang for a few seconds, AFP reports, with people running out of their homes to higher ground.
Traffic ground to a halt and there was a sense of panic on the streets.
In 2004, an 8.9 magnitude earthquake triggered the world’s deadliest ever tsunami, killing more than 200,000 people.
A 6-magnitude earthquake has struck northern California, causing injuries and damage to buildings.
The US Geological Survey said the quake struck at 03:20 local time four miles north-west of the town of American Canyon, at a depth of 6.7 miles.
At least 87 people have been taken to hospital in the Napa area, with three of them seriously injured.
California Governor Jerry Brown has declared a state of emergency in order to deal with the effects of the quake.
Officials in Napa said in a statement that the quake had destroyed four mobile homes and made 16 buildings “uninhabitable”, as well as causing “approximately 50” gas main breaks and around 30 leaks from water mains.
A 6-magnitude earthquake has struck northern California, causing injuries and damage to buildings
Three historic buildings in the town had been hit and two commercial buildings “severely damaged”, the statement went on.
More than 10,000 households were without power in Napa, about six miles from the earthquake’s epicenter, and the surrounding area, the Pacific Gas and Electric Company said.
A Red Cross evacuation centre has been set up in a church in the city.
The California Highway Patrol in the San Francisco Bay area tweeted that it was “checking over crossings and bridges for obvious signs of structural integrity”, and asked residents to report any signs of problems.
The site of the earthquake was 51 miles from Sacramento and about 30 miles north-east of San Francisco, where many Twitter users say the earthquake woke them up.
Numerous small aftershocks were also reported on Sunday.
California lies on the San Andreas Fault, which forms the tectonic boundary between the Pacific Plate and the North American Plate, two of the large moving plates that form the Earth’s crust.
The San Francisco earthquake of 1906 and subsequent fires devastated the city.
In 1989, a powerful earthquake struck San Francisco, killing more than 60 people and injuring hundreds.