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Santorini’s Earthquake Swarm Is Declining Gradually as Thousands Return to the Greek Island 

A drone view of the village of Oia, as the seismic activity continues, on the island of Santorini, Greece, February 20, 2025. (Reuters)
A drone view of the village of Oia, as the seismic activity continues, on the island of Santorini, Greece, February 20, 2025. (Reuters)
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Santorini’s Earthquake Swarm Is Declining Gradually as Thousands Return to the Greek Island 

A drone view of the village of Oia, as the seismic activity continues, on the island of Santorini, Greece, February 20, 2025. (Reuters)
A drone view of the village of Oia, as the seismic activity continues, on the island of Santorini, Greece, February 20, 2025. (Reuters)

An earthquake swarm near the island of Santorini is gradually declining a month after it began, Greek scientists monitoring the phenomenon said Monday.

The undersea shocks — sometimes recorded only minutes apart — led thousands of residents and workers to flee the famed clifftop towns of Santorini as well as the nearby islands of Ios, Amorgos and Anafi.

Schools remain closed on those islands for a fourth week and many other restrictions are still in effect. But scientists said they were encouraged by the decline of the earthquake swarm.

“Seismic activity continues to show a gradual decline, both in terms of the daily number of recorded earthquakes and maximum magnitudes,” the Interdisciplinary Committee for Risk and Crisis Management at the University of Athens said.

“The activity remains concentrated in the same focal area ... with no new micro-seismic surges observed since Feb. 15,” it said.

The committee said it recorded more than 20,000 earthquakes of magnitude 1 or higher between Jan. 26 and Feb. 22.

The multiple earthquakes, attributed to natural tectonic processes as well as magma movements below the seabed, have measured up to magnitude 5.3 but have caused only minor damage.

Santorini Mayor Nikos Zorzos on Monday said several thousand people had returned to the island since late last week, and called on government authorities to provide additional assistance in dealing with risks — including controlling rockfalls and the installation and repair of hillslope fencing.

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Europe Had Most Widespread Floods for More Than a Decade in 2024, Scientists Say 

A person cycles along a flooded road after the overtopping of the River Thames on a spring tide, in west London, Britain, March 31, 2025. (Reuters)
A person cycles along a flooded road after the overtopping of the River Thames on a spring tide, in west London, Britain, March 31, 2025. (Reuters)
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Europe Had Most Widespread Floods for More Than a Decade in 2024, Scientists Say 

A person cycles along a flooded road after the overtopping of the River Thames on a spring tide, in west London, Britain, March 31, 2025. (Reuters)
A person cycles along a flooded road after the overtopping of the River Thames on a spring tide, in west London, Britain, March 31, 2025. (Reuters)

Europe faced its most widespread flooding last year since 2013, with 30% of the continent's river network hit by significant floods, scientists said on Tuesday, as fossil fuel-driven climate change continued to prompt torrential rain and other extreme weather.

Flooding killed at least 335 people in Europe in 2024 and affected more than 410,000, the European Union's Copernicus Climate Change Service and the World Meteorological Organization said in a joint report on Europe's climate.

Western Europe was hit hardest, with 2024 ranking among the region's ten wettest years in records going back to 1950. Storms and flooding are Europe's costliest weather extremes, last year causing damage exceeding 18 billion euros.

Globally, 2024 was the world's warmest year since records began, as well as the warmest for Europe - the planet's fastest-warming continent. The planet is now around 1.3 degrees Celsius warmer than in pre-industrial times, mainly due to human-caused climate change.

"Every additional fraction of a degree of temperature rise matters because it accentuates the risks to our lives, to economies and to the planet," said WMO Secretary-General Celeste Saulo.

The report noted bright spots, including that renewable energy sources produced a record-high 45% of Europe's energy in 2024, while most European cities have plans in place to better adapt to climate change.

But weather extremes were recorded across the continent. Southeastern Europe had its longest heat wave on record, totaling 13 days, while Scandinavia's glaciers shrank at the highest rates on record, and heat stress increased across the continent.

Much of Eastern Europe was hit by lack of rain and drought, while floods ravaged western Europe.

Nearly a third of Europe's overall river network exceeded a "high" flood threshold, while 12% breached "severe" flood levels in 2024.

Devastating floods in Valencia in late October accounted for most of the lives lost and economic damage caused in Europe by floods, with 232 people killed in the disaster. Storm Boris in September dumped the heaviest rain ever recorded in Central Europe onto countries, including Austria, Czechia, Germany and Slovakia.

Scientists have confirmed climate change has made such downpours more likely, because a hotter atmosphere can hold more water, leading to intense rain. Atmospheric water vapor reached a record high in 2024.

Other factors that influence flooding include river management and urban planning that determine whether homes and infrastructure are built in flood-prone areas.