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Greece

M3.5 Earthquake near Kalamaki (Greece)

UTC time: 2025-09-21 21:08:08 UTC Local time: —

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M3.5 Earthquake near Kalamaki (Greece) · 2025-09-21 — Map showing the location of the epicenter
M3.5 Earthquake near Kalamaki (Greece) · 2025-09-21 — Map showing the location of the epicenter

About this earthquake

A magnitude M3.5 earthquake was recorded near Kalamaki (Greece) on September 21, 2025 at 21:08 UTC. At around 140 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: 66 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
101025bd4390ba8367cefb5e9ab0875c1a8cdcbd
Magnitude
M3.5
Depth
140.2 km
UTC time
2025-09-21 21:08:08 UTC
Local time
—
Country
Greece
City
Kalamaki
Source
noa
Coordinates
36.95861, 21.80155
Temperature
19.4°C

Depth profile

Depth profile Depth: 140.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 140.2 km
Intermediate
140.2 km
140.2 km — deeper than the regional average (14.2 km)
Regional average: 14.2 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

  • Methana
    Distance: 154 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 237 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Santorini
    Distance: 326 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Kolumbo
    Distance: 332 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Nisyros
    Distance: 479 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kalamata AirportGreece · KLX · LGKL
    23.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-06

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

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 839 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.

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