Magnitude 4.9 Earthquake at Depth 10 km Strikes Poland on 11th July 2026

A magnitude 4.9 earthquake struck western Poland on 11th July 2026, occurring at a shallow depth of 10 km. The event was recorded at 06:11 UTC, with the epicentre located approximately 6 km south of Grębocice in the Lower Silesia region.

The quake was detected by multiple European seismic networks, including EMSC and USGS, both confirming the magnitude and depth. Although considered a light to moderate earthquake, the shallow depth means shaking was likely felt strongly in nearby towns and mining areas.

Epicentre and Regional Details

• Magnitude: 4.9
• Depth: 10 km
• Time: 06:11 UTC
• Nearest town: Grębocice (6 km south)
• Region: Lower Silesia, western Poland

This area is known for occasional seismic activity, partly due to natural tectonic stress within the European Plate and partly due to human‑induced seismicity linked to mining operations.

Shaking and Local Impact

Earthquakes in the 4.8–5.0 range can produce noticeable indoor shaking, rattling windows, and brief alarm among residents. Given the shallow depth, communities closest to the epicentre — including Grębocice, Polkowice, and Lubin — likely experienced the strongest tremors.

No damage or injuries have been reported so far, and the event is considered non‑destructive.

This earthquake occurred at the same time as a nearby magnitude 4.8 event recorded north of Legnica, indicating a short‑lived regional seismic disturbance.

Why Earthquakes Occur in This Region

Western Poland experiences occasional earthquakes due to:

• Minor tectonic stress within the European Plate
• Historical fault lines
• Mining‑related seismicity, which can trigger shallow tremors

These factors sometimes combine to produce felt earthquakes like this one.

Related Guide
Why Earthquakes Happen — A Simple Explanation

Monitoring and Safety

Residents are encouraged to follow updates from:

• EMSC
• USGS Earthquake Hazards Program
• Polish Academy of Sciences – Institute of Geophysics

Even moderate earthquakes serve as reminders to secure household items, review emergency plans, and stay aware of potential aftershocks.