Weak Magnitude 2.3 Earthquake Strikes Central Ionian Sea Near Kefalonia

Seismic Activity Reported Off Greek Coast

A light magnitude 2.3 earthquake was recorded in the Central Ionian Sea, in close proximity to Kefalonia island, Greece, on Sunday afternoon, November 2nd, 2025. The seismic event occurred at approximately 02:57 pm local time (GMT +2).

Details of the Tremor

The earthquake registered a magnitude of 2.3 and originated at a considerable depth of 200 kilometers (124 miles). Initial reports indicate that the tremor was not felt by residents, or at least no reports of it being felt have been submitted. The Aristotle University of Thessaloniki Geophysical Lab (AUTH) was among the first to report the event.

Region's Seismic Profile

The area where this earthquake occurred is known for its high level of seismic activity. Historical data indicates that the region experiences numerous earthquakes annually across various magnitudes. For instance, the area near the epicenter of this quake (within 100 km/61 mi) typically sees around 624 earthquakes of magnitude 2 or higher per year, averaging about 52 quakes per month. Larger quakes, such as those of magnitude 6 or higher, occur less frequently, with an average of one every 4.9 years in some parts of the region.

No Immediate Impact Reported

Given its low magnitude and significant depth, the earthquake is not expected to have caused any damage or disruption. Authorities have not issued any warnings or reports of impact following the event. The Ionian Sea and the broader Greek region are situated in a seismically active zone, making such minor tremors a relatively common occurrence.