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Greece · Thessaly

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

UTC time: 2026-06-11 04:10:40 UTC Local time: —
Magnitude
M1.8
Depth
5.0 km
Source
NOA

Thessaly · Alonnisos Marine Park

Country overview

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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: 105 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Details

ID
1c901744f4daa8e0f64abe897319408fdf358018
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

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
5 km — shallower than the regional average (14.5 km)
Regional average: 14.5 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

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Skiathos Island National AirportGreece · JSI · LGSK
    36.0 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-11

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

Thessaly

Context for this earthquake

11 Sep 2025 – 11 Sep 2026 · M ≥ 2.0 · 40 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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