National Observatory of Athens

Greece Publishes First Complete Seismic Map of Active Faults

Scientists from the National Observatory of Athens (NOA), in collaboration with colleagues in New Zealand, have produced a detailed seismic map identifying 892 active fault lines across Greece. The team explains that Greece is “squeezed” between the African plate...

Magma Shift Between Santorini and Kolumbo Volcanoes Fueled 2025 Earthquakes, Scientists Say

The volcano at Santorini, one of Greece’s most iconic islands, is showing new signs of activity. A study led by Marius P. Isken, and published in Nature, has revealed that the Santorini and Kolumbo volcanoes, only 7 kilometers (4.34...

Observatory in Greece Achieves Deep-Space Laser Link With NASA’s ‘Psyche’

A milestone in space communication was celebrated in Athens, the capital of Greece, on Wednesday, as the National Observatory of Athens (NOA) was formally recognized by the European Space Agency (ESA) for its pivotal role in the first-ever optical...

Climate Change: Snow Cover in Greece Continues Steady Decline

Snow cover across Greece remained significantly below average during the 2024-2025 winter season, extending a long-term decline linked to climate change, according to data from the National Observatory of Athens. Despite a few isolated snow events, the overall extent and...

Greece Faces Alarming Rise in Temperatures

A recent study by the METEO unit of the National Observatory of Athens reveals that Greece's average temperature has risen by about 1.5°C over the last 30 years. This increase is particularly pronounced in northern Greece, especially in areas that...

Greece Braces for First Heatwave of the Season

Greece will endure a three-day heatwave starting Tuesday with temperatures exceeding 40 degrees Celsius (104 Fahrenheit), the country's civil protection minister said Monday, warning of a high wildfire risk. The heat "will peak on Wednesday and Thursday," Vassilis Kikilias told...

Athens Observatory Involved With Huge Gravitational Wave Project

The National Observatory of Athens and a cluster of Greek universities have announced an important collaboration regarding the construction of spacecraft that will reportedly "chase" the traces of space-time and examine gravitational waves. In 2015, the two enormous interferometers of...

Meteoroid Captured Exploding Over Northern Greece

A meteoroid was captured exploding over Metsovo in northern Greece recently by the cameras of the National Observatory of Athens (NOA). The initial assessment from the combination of data is that "the meteoroid entered the Greek airspace in the wider...

Two Dead From Floods Following Torrential Rain in Central Greece

At least two people have lost their lives due to the floods in Greece. One man was found dead and hundreds of houses and roads were flooded in a the port city of Volos in Central Greece by Tuesday...

Greece Heatwave: Record-breaking 46.4°C Recorded

The heatwave that is currently gripping Greece shot temperatures to new records on Sunday, according to measurements of the National Observatory of Athens. Gytheio, located in the Peloponnese region, experienced an absolute maximum temperature of 46.4 degrees Celsius (115.52°F). This...