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Greece

M3.5 Earthquake near Demos Chiou (Greece)

UTC time: 2025-08-23 11:16:35 UTC Local time: —

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M3.5 Earthquake near Demos Chiou (Greece) · 2025-08-23 — Map showing the location of the epicenter
M3.5 Earthquake near Demos Chiou (Greece) · 2025-08-23 — Map showing the location of the epicenter

About this earthquake

A magnitude M3.5 earthquake was recorded near Demos Chiou (Greece) on August 23, 2025 at 11:16 UTC. At around 127 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The data is provided by NOA and cross-checked across seismological networks. Greece: 53 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Details

ID
b0f456550901af89b8ccd61900fda0df9dd9d0b2
Magnitude
M3.5
Depth
127.3 km
UTC time
2025-08-23 11:16:35 UTC
Local time
—
Country
Greece
City
Demos Chiou
Source
noa
Coordinates
38.59283, 26.04527
Temperature
30.8°C

Depth profile

Depth profile Depth: 127.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 127.3 km
Intermediate
127.3 km
127.3 km — deeper than the regional average (14.4 km)
Regional average: 14.4 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Kula
    Distance: 215 km ·Volcanic field ·Elevation: 750 m ·Turkiye
  • Kolumbo
    Distance: 235 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Nisyros
    Distance: 243 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Santorini
    Distance: 250 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Milos
    Distance: 254 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Methana
    Distance: 261 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Chios Island National AirportGreece · JKH · LGHI
    29.0 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Greece

Context for this earthquake

22 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 863 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

Historic earthquake map · Greece

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Greece

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

Stats (last 24h)

Global (24h)
653
Country (24h)
Greece
53
Current earthquakes in
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