M1.1 Depth: 7.5 km

M1.1 Earthquake near Petra, Northern Aegean (Greece)

UTC time: 2026-07-21 21:02:55 UTC Local time: —

About this earthquake

On July 21, 2026 at 21:02 UTC, a magnitude M1.1 earthquake occurred near Petra, Northern Aegean (Greece). With a focal depth of about 8 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 event was recorded by EMSC. Greece: 89 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Details

Magnitude

M1.1

Depth

7.5 km

UTC time

2026-07-21 21:02:55 UTC

Local time

—

Country

Greece

State

Northern Aegean

City

Petra

County

Lesbos Regional Unit

Village

Petra

Source

emsc

Coordinates

39.34430, 26.19430

Temperature

24.8°C

Map

Depth profile

Shallow

7.5 km

7.5 km — shallower than the regional average (15.1 km)

Regional average: 15.1 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

Kula

Distance: 218 km ·Volcanic field ·Elevation: 750 m ·Turkiye
Methana

Distance: 314 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece
Nisyros

Distance: 318 km ·Stratovolcano ·Elevation: 698 m ·Last eruption: 1888 ·Greece
Kolumbo

Distance: 320 km ·Complex ·Elevation: -18 m ·Last eruption: 1650 ·Greece
Milos

Distance: 332 km ·Stratovolcano(es) ·Elevation: 751 m ·Last eruption: 140 ·Greece
Santorini

Distance: 334 km ·Shield(s) ·Elevation: 367 m ·Last eruption: 1950 ·Greece

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)

718

Country (24h)