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Country
Map of Greece
Europe · Athens
Greece spans the Aegean Sea and Eurasian plates. It has 5 volcanoes active over the last 10,000 years, 1 of which have erupted since 1900. Since 1900, 121 major earthquakes have been recorded, causing at least 1,462 deaths. Its natural and humanitarian risk index (INFORM) is 2.9 out of 10, a low level.
- Capital
- Athens
- Population
- 10,482,487
- Area
- 131,957 km²
- Continent
- Europe
Tectonic Plates
Natural Hazards
INFORM index by the European Commission, from 0 (very low) to 10 (very high), for each type of hazard.
People Exposed Each Year
- 20,411to strong shaking (intensity VI and above)
- 9,955to destructive shaking (intensity VIII and above)
- 138to tsunamis
- 9,186to river floods
- 5,088to coastal floods
Risk Index Over Time
Hazard Levels
Hazard level assessed by ThinkHazard! (World Bank, GFDRR), meaning the likelihood of a damaging event, from very low to high.
- River FloodHigh
- Urban FloodHigh
- Coastal FloodHigh
- EarthquakeHigh
- LandslideHigh
- VolcanoHigh
- WildfireHigh
- TsunamiMedium
- Water ScarcityMedium
- Extreme HeatMedium
Volcanoes (5)
Volcanoes active over the last 10,000 years; year of the last known eruption.
Major Earthquakes Since 1900
Earthquakes that caused deaths or significant damage, or of magnitude 7.5 and above (NOAA).
Deadliest
- 1953Lixouri-Argostoli (Kephallenia) · M 7.2476 deaths
- 1933Dodecanese Islands · M 6.4181 deaths
- 1932Hierissos-Strantonion (Chalkidiki) · M 6.9161 deaths
- 1999Athens · M 6.0143 deaths
- 1956Dodecanese · M 7.756 deaths
- 1978Thessaloniki · M 6.450 deaths
Tsunamis
25 major tsunamis have reached Greece since 1900, killing 11 people in the country. The deadliest and highest are listed below.
- 1905Tsunami (Greece) · 3.0 m5 deaths
- 1956Tsunami (Greece) · 20.0 m3 deaths
- 1963Tsunami (Greece) · 6.0 m2 deaths
- 1965Tsunami (Greece) · 1.0 m1 deaths
- 1956Tsunami (Greece) · 10.0 m
- 1948Tsunami (Greece) · 7.3 m
- 2002Tsunami (Greece) · 4.0 m
- 2020Tsunami (Turkey) · 3.4 m
Sources : Natural Earth · Wikidata · INFORM Risk Index (1 September 2026 v 0.7.3), Commission européenne, CC BY 4.0 · NOAA NCEI · ThinkHazard!, GFDRR, CC BY · Bird (2003), PB2002 · Global Volcanism Program, Smithsonian Institution