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M1.8 Depth: 5.0 km

M1.8 Earthquake near Alonnisos Marine Park, Thessaly (Greece)

UTC time: 2026-06-11 04:10:40 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near Alonnisos Marine Park, Thessaly (Greece) on June 11, 2026 at 04:10 UTC. With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by NOA and cross-checked across seismological networks. Greece: 101 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M1.8
Depth
5.0 km
UTC time
2026-06-11 04:10:40 UTC
Local time
—
Country
Greece
State
Thessaly
City
Alonnisos Marine Park
Source
noa
Coordinates
39.16623, 23.92137
Temperature
23.3°C

Map

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Methana
    Distance: 180 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
  • Milos
    Distance: 278 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
  • Kolumbo
    Distance: 324 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
  • Santorini
    Distance: 333 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece
  • Nisyros
    Distance: 403 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
  • Kula
    Distance: 403 km ·Volcanic field ·Elevation: 750 m ·Turkiye

Sources: Smithsonian GVP & USGS

Historic earthquake map · Greece

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