Earthquake off the coast of Evia: Tumors of 5.2 points scared the inhabitants of Athens

A strong earthquake of magnitude 5.2 on the Richter scale occurred in Attica on September 9 at 00:27, especially felt in the southern suburbs. After the main earthquake, it was recorded at least 25 aftershok.

The depth of the hearth was estimated at 13.6 kilometers.

The final magnitude of the earthquake was 5.2 points on the Richter scale. The distance from the marathon was 16 km, the epicenter was between Shinias and Styron on the island of Evebeya.

After the main earthquake of magnitude 5.2 on the Richter scale, it was recorded at least 25 aftershok.

In particular, until 6:00 a.m. Tuesday (September 9), about 25 shocks occurred, the weakest of which amounted to 1.3 points on the Richter scale, and the strongest – 2.8. However, it is possible that the place of earthquake will “produce” the aphtershk with a magnitude of about 4–4.5 points on the Richter scale.

A strong earthquake of magnitude 5.2 on the Richter scale occurred in Attica on September 9 at 00:27, especially felt in the southern suburbs. He was preceded by a strong rumble, who scared the inhabitants of Attica and Evia, affected by the seismic “wave”. pic.twitter.com/pdrtawf86l

– Athens News (@russianathens) September 9, 2025

Ephtimis Lakes In his statements after fixing the earthquake, the epicenter of which was in the sea water area between Neva and Shiniasemphasized that in this particular area there was no history of large shocks.

Earthquake of magnitude 5.2 pointswhich occurred at dawn on Tuesday, September 9, 2025, off the coast of Evia, the seismologists called the “main impetus.” They felt trembling in Attica.

According to data Department of Geology and Geoecology of Athenian University (ECPA)the blow fell into the underwater area between the South Eveba Gulf and the Gulf of Petalion. The epicenter was only 41 km from Athens. Depth – 13 km.

After the main earthquake of the magnitude of 5.2 on the Richter scale, at least 25 aphtershoks were recorded. pic.twitter.com/yrputswg7z

– Athens News (@russianathens) September 9, 2025

A few hours before the main push in the region, it was recorded at least three harbingersthe largest of which is at 22:17 in the evening of Monday (2.5 R). After the earthquake, 13 aphthershoks were recorded, the maximum is 2.8 R.

“The earthquake proceeded from the zone of moderate seismicity, where serious events were not recorded in the past. But the proximity to Attica made it especially tangible “, – said the Extrans Council of the OASπ.

Picky Assistance map of the push depending on the epicenter

Ekpa clarifies:

• The maximum force was felt in the regions of Agia-Marina-the marathon and in Naa-steir, where the intensity reached the V degree according to EMS,
• In Athens, the force was appreciated to the IV degree,
• Maximum soil accelerations – 5-10% G.

Seismologists note that The mechanism of fault Indicates a flat-normal displacement (plastic deformation with a shift). Most likely, we are talking about the fault of the north-west-the southeast, which corresponds to the well-known lines of faults in the area of ​​Evia and the North-Eastern Attica.

History of the issue: East Evia already “declared itself” – in 2022–2023, a series of earthquakes was held here (from 4.0 to 5.0 points), and in the area of ​​Polypotamos, the tremors reached 4.8–5.0 R.

Despite the fact that seismologists consider the morning blow to the main one, they warn: Aftershoki will continueAlthough their strength is unlikely to be significant.

The authorities remind: to protect against earthquakes, the instructions should be followed OAS And Ministry of Civil Protection.

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