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Earthquakes in Portugal

Track in real time all earthquakes recorded in Portugal — the mainland, the Azores and Madeira — including low-magnitude events imperceptible to the public.

1
last 7 days
12
last 30 days
106
recorded in total
M5.3
largest recorded

Most Active Areas

  • Azores Islands31 events
  • Azores Islands Region28 events
  • Portugal25 events
  • Azores-Cape St. Vincent Ridge17 events
  • Madeira Islands4 events

Latest Earthquakes

Frequently Asked Questions

Which area of Portugal has the highest seismic risk?

The Algarve and the Lisbon/Tagus Valley region are historically the highest seismic-risk zones in Mainland Portugal, due to their proximity to the Horseshoe Fault and the Lower Tagus Valley Fault.

How often do earthquakes occur in Portugal?

Mainland Portugal records several dozen earthquakes per month, the majority with magnitudes below 2.5 and imperceptible without instruments. Moderate earthquakes (M3–M4) occur a few times a year.

What should I do during an earthquake in Portugal?

Take shelter under a sturdy table or next to an interior wall. Move away from windows and objects that could fall. Do not use lifts. After the shaking stops, check for structural damage before re-entering the building.

How is seismic risk monitored in Portugal?

IPMA (Portuguese Institute for Sea and Atmosphere) operates the national seismic network. Tremr aggregates real-time data from EMSC (European-Mediterranean Seismological Centre) for immediate information.

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