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The sun has unleashed the most powerful category of solar flare, potentially disrupting communications as Hurricane Irma wreaks destruction across the Atlantic .
The sudden blast of energy was sent out by the sun and could interfere with radio and satellite communications as it passes by Earth, experts warn.
The flare was the strongest in a decade, and blasted out from a sunspot on the Earth's surface. It belongs to the X-class of flares, the most powerful possible.
Show all 45 1 /45Hurricane Irma – devastation caused in pictures Hurricane Irma – devastation caused in pictures Recently planted palm trees lie strewn across the road as Hurricane Irma passes by in Miami Beach, Fla. 10 September 2017.
AP
Hurricane Irma – devastation caused in pictures Damage outside the Mercure hotel in Marigot, on the Bay of Nettle, on the island of Saint-Martin
AFP/Getty Images
Hurricane Irma – devastation caused in pictures People pick up debris in Fajardo as Hurricane Irma howled past Puerto Rico after thrashing several smaller Caribbean islands
Reuters/Alvin Baez
Hurricane Irma – devastation caused in pictures Large waves produced by Hurricane Irma crash into the end of Anglins Fishing Pier in Fort Lauderdale, Florida. The category 4 hurricane made landfall in the United States in the Florida Keys at 9:10 a.m. after raking across the north coast of Cuba. 10 September 2017
Getty Images
Hurricane Irma – devastation caused in pictures A Royal Air Force Puma has been delivered to the US Virgin Islands to assist with the humanitarian efforts post Hurricane Irma. The Puma will be delivering Humanitarian Aid and Disaster Relief in support of the Department for International Development. Royal Air Force logisticians from RAF Brize Norton have assisted with the delivery of military personnel and aid cargo to the Caribbean to support disaster relief in the wake of Hurricane Irma. RAF aircraft including, C-17 A400M and Voyager are supporting a Joint Task Force of RAF, Royal Marines, Army and RN personnel who are supporting the Department for International Development as it delivers aid to stricken Caribbean Islands.
MoD
Hurricane Irma – devastation caused in pictures Flamingos at Zoo Miami, are shown in a temporary enclosure in a hurricane resistant structure within the zoo, Saturday, 9 September 2017 in Miami. Though most animals will reman in their secure structures, the cheetahs and some birds will ride out the storm in temporary housing.
AP
Hurricane Irma – devastation caused in pictures Boats are seen at a marina in South Beach as Hurricane Irma arrives at south Florida, in Miami Beach, Florida, U.S. 10 September 2017
Reuters
Hurricane Irma – devastation caused in pictures Storm clouds are seen over Fisher Island as Hurricane Irma approaches on 9 September 2017 in Miami Beach, Florida. Florida is in the path of the Hurricane which may come ashore at category 4
Getty Images
Hurricane Irma – devastation caused in pictures Waves crash over a seawall at the mouth of the Miami River from Biscayne Bay, Fla., as Hurricane Irma passes by. 10 September 2017
AP
Hurricane Irma – devastation caused in pictures Some of the damage on Saint Martin
EPA/Gerben Van Es/Dutch Department of Defence
Hurricane Irma – devastation caused in pictures The skyline is seen as the outerbands of Hurricane Irma start to reach Florida on 9 September 2017 in Miami, Florida. Florida is in the path of the Hurricane which may come ashore at category 4.
Getty Images
Hurricane Irma – devastation caused in pictures A tree toped by hurricane Irma is seen on a empty street in Remedios, Cuba, 9 September 2017. Hurricane Irma reached Cuba bringing winds between 160 and 190 kilometers per hour. The hurricane has hit the north coast of the island.
EPA
Hurricane Irma – devastation caused in pictures James Constantineau loads sands bags in his truck as he prepares for the approach of Hurricane Irma Saturday, 9 September 2017, in East Palatka, Fla. Gov. Rick Scott is urging anyone living in an evacuation zone in southwest Florida to leave by noon as the threat of Hurricane Irma has shifted west.
AP
Hurricane Irma – devastation caused in pictures The Fort Louis Marina in Marigot is seen on 8 September 2017 in Saint-Martin island, devastated by Hurricane Irma.
AFP
Hurricane Irma – devastation caused in pictures Destruction in Orient Bay on the island of Saint-Martin
AFP/Getty
Hurricane Irma – devastation caused in pictures The wreckage in Orient Bay on the island of Saint-Martin
AFP/Getty
Hurricane Irma – devastation caused in pictures View of the aftermath of Hurricane Irma on Saint Martin
Reuters
Hurricane Irma – devastation caused in pictures A mobile network tower snapped in two by the hurricane on the island of Barbuda
ABS TV
Hurricane Irma – devastation caused in pictures A house reduced to rubble on the island of Saint Barthelemy
AFP/Getty Images
Hurricane Irma – devastation caused in pictures General view of damage on Saint Martin
Reuters
Hurricane Irma – devastation caused in pictures A damaged Casino Royale on Saint Martin after the passage of Hurricane Irma
Anna Mazur/AFP
Hurricane Irma – devastation caused in pictures An aerial photograph taken and released by the Dutch department of Defense shows the damage of Hurricane Irma in Philipsburg, Sint Maarten, the Dutch section of the Caribbean Island
Gerben Van Es/AFP
Hurricane Irma – devastation caused in pictures Flooded houses in Gustavia on the island of Saint-Barthelemy
Kevin Barrallon/AFP
Hurricane Irma – devastation caused in pictures The damage on the island of Saint-Martin, a day after Hurricane Irma hit
AFP/Getty Images
Hurricane Irma – devastation caused in pictures A man carrying an umbrella is battered by the wind in Fajardo, Puerto Rico
Reuters/Alvin Baez
Hurricane Irma – devastation caused in pictures A lone police car on patrol during the passing of Hurricane Irma in Fajardo, Puerto Rico
Jose Jimenez/Getty Images
Hurricane Irma – devastation caused in pictures Haitian people walk through the wind and rain on a beach in Cap-Haitien on September 7 as Hurricane Irma approaches
Hector Retamal/AFP/Getty Images
Hurricane Irma – devastation caused in pictures A flooded street on the island of Saint Martin
AFP/Getty Images
Hurricane Irma – devastation caused in pictures A tree collapsed on a house in Saint Martin
Hurricane Irma – devastation caused in pictures A hotel in Saint Martin is gutted by floodwater during the hurricane
Guadeloupe 1ère
Hurricane Irma – devastation caused in pictures Cars submerged in Saint Martin
Rinsy Xieng
Hurricane Irma – devastation caused in pictures Debris floats amongst the floodwater in Saint Martin
@la1ere
Hurricane Irma – devastation caused in pictures Household items float down the street in Gustavia, Saint-Barthélemy
Carole Greaux
Hurricane Irma – devastation caused in pictures The coast of Saint Martin is flooded as the hurricane hits the island
Météo Express
Hurricane Irma – devastation caused in pictures A whole street underwater in Saint Martin
@la1ere
Hurricane Irma – devastation caused in pictures A car crashes into the tree amongst the chaos in Saint Martin
@Bondtehond
Hurricane Irma – devastation caused in pictures A building on the Saint Martin seafront, destroyed by the hurricane
@Bondtehond
Hurricane Irma – devastation caused in pictures A mobile home overturned at Princess Juliana International Airport in Saint Martin
@Bondtehond
Hurricane Irma – devastation caused in pictures Palm trees bend in the wind in San Juan, Puerto Rico as Hurricane Irma slammed across islands in the northern Caribbean
Reuters/Alvin Baez
Hurricane Irma – devastation caused in pictures A woman runs in the rain as Hurricane Irma slammed into San Juan, Puerto Rico
Reuters/Alvin Baez
Hurricane Irma – devastation caused in pictures A picture taken on September 5, 2017 shows a view of the Baie Nettle beach in Marigot, with the wind blowing ahead of the arrival of Hurricane Irma
AFP/Getty Images
Hurricane Irma – devastation caused in pictures A man rides past a boarded up house as part of preparations ahead of the arrival of Hurricane Irma on September 5, 2017, in the French overseas island of Guadeloupe
Helene Valenzuela/AFP
Hurricane Irma – devastation caused in pictures Employees of the Mercure Hotel fill sand bags on the Baie Nettle beach in Marigot, as part of the preparations for the arrival of Hurricane Irma
Lionel Chamoiseau/AFP
Hurricane Irma – devastation caused in pictures People in line at Costco, as they find out the store has ran out of water on September 5, 2017 in North Miami
Michele Eve Sandberg/AFP
Hurricane Irma – devastation caused in pictures Night view of the city of Cap-Haitien, in the north of Haiti, 240 km from Port-au-Prince, on September 5, 2017
Hector Retamal/AFP
Nasa's Space Weather Prediction Centre (SWPC) said that the energy of the flare had knocked out radio communications on Earth. It led to a "wide area of blackouts, loss of contact for up to an hour over [the] sunlit side of Earth" and hit systems that are used for navigation, the agency said.
The problems had been observed all the way over the "sunlit side of Earth", it said in a report posted online.
The large flare was actually the second of two major blasts that came out of the sun. The first was the biggest since 2015, but was followed up by an X9.3 blast of the kind that hasn't been seen since 2006.
A solar flare is a sudden flash of brightness on the sun's surface, which can throw out huge amounts of energy. They happen when charged up particles inside the sun twist up inside the sun's plasma, charging themselves and then spewing out energy.
Scientists have repeatedly warned that we are lucky not to have been hit by major solar storms that cause even more damage to communications. In 1859, for instance, the Earth's magnetosphere was hit by a powerful blast of energy referred to as the Carrington event – and scientists have warned that another such event could happen, this time with far more disastrous effects.
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