- Depth
- 13.0 km
- Source
- EMSC
Northern Aegean · Chios Regional Unit
Country overviewNorthern Aegean · Chios Regional Unit
Country overviewOn September 18, 2026 at 19:41 UTC, a magnitude M3.5 earthquake occurred near Chios Regional Unit, Northern Aegean (Greece). With a focal depth of about 13 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.
The data is provided by EMSC and cross-checked across seismological networks. Greece: 79 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.
Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.
Depth classes per USGS
Greece
18 Sep 2025 – 18 Sep 2026 · M ≥ 3.0 · 869 Catalogue entries
Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.
Open seismic profile