M1.8 Depth: 10.0 km

M1.8 Earthquake near Gradevo (Bulgaria)

UTC time: 2025-10-16 21:54:29 UTC Local time: —

About this earthquake

On October 16, 2025 at 21:54 UTC, a magnitude M1.8 earthquake occurred near Gradevo (Bulgaria). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. 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.

Details

Magnitude

M1.8

Depth

10.0 km

UTC time

2025-10-16 21:54:29 UTC

Local time

—

Country

Bulgaria

City

Gradevo

Source

noa

Coordinates

41.91898, 23.17105

Temperature

8.8°C

Map

Depth profile

Shallow

10 km

10 km — close to the regional average (12.5 km)

Regional average: 12.5 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: 478 km ·Lava dome(s) ·Elevation: 380 m ·Last eruption: -258 ·Greece

Historic earthquake map · Bulgaria

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Country statistics · Bulgaria

Country overview

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

Stats (last 24h)

Global (24h)

592

Country (24h)