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Tsunamis in Greece

In a total of 25 tidal waves classified as a tsunami since 142 a total of 5,010 people died in Greece. Compared to other countries, Tsunamis therefore occur more often than average, but still moderate.

The strongest tidal wave registered in Greece so far reached a height of 30 meters. At this Tsunami on 09/29/1650 no losses of human lifes have been registered.

The biggest impact in terms of lifes, injuries, destroyed homes and economy had been a tsunami on 05/14/1748.

Other natural hazards in Greece:
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› Earthquake
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Tsunamis are caused by earthquakes or other seismic eruptions on ground of an oceans and can cause massive tidal waves, which run with enormous force on land, causing great devastation. Especially in regions with only few tsunamis, the damage is often drastic, as the population does not expect tsunamis and thus hardly takes any protective measures. Even relatively small flood waves can lead to high losses and financial damage.

The marked positions on the map represent the most effected regions within the past 1900 years.

The largest tsunamis in Greece since 142 AD.

DateCauseMax. tidal waveFatalitiesTotal damage
10/30/2020Earthquake in Turkey (Aegean Sea) with a magnitude of 7.0.3.4 m0
07/20/2017Earthquake in Turkey (Gulf Of G?kova) with a magnitude of 6.6.1.5 m0
03/24/2002Eruption in Greece (Dodecanese Islands)4 m0
06/15/1995Earthquake, landslide in Greece (Gulf Of Corinth: Aiyion) with a magnitude of 6.5.1 m0
02/07/1963Landslide in Greece (Corinth Gulf)6 m2
07/09/1956Earthquake in Greece (Cyclades) with a magnitude of 7.8.20 m3
07/09/1956Earthquake in Greece (Amorgos Island, Aegean Islands) with a magnitude of 6.8.10 m0
04/22/1948Earthquake in Greece (Ionian Sea) with a magnitude of 6.5.1 m0
02/09/1948Earthquake in Greece (Dodecanese, Karpathos Is.) with a magnitude of 7.1.7.3 m0
08/07/1915Earthquake in Greece (Ionian Sea) with a magnitude of 6.7.1.5 m0
11/08/1905Earthquake, landslide in Greece (North Aegean Sea) with a magnitude of 7.2.3 m5
04/27/1894Earthquake, landslide in Greece (North Evoikos Gulf) with a magnitude of 7.0.3 m0
02/09/1893Earthquake in Greece (Samothrace) with a magnitude of 6.5.1 m0
09/20/1867Earthquake in Greece (Peloponnesus, Greece) with a magnitude of 7.1.6 m0
02/06/1866Earthquake in Greece (S. Coasts Peloponnesus, Greece) with a magnitude of 6.0.8.6 m0
12/26/1861Earthquake, landslide in Greece (Corinth Gulf) with a magnitude of 7.3.2.1 m0
01/06/1821Earthquake in Greece (Ionian Sea) with a magnitude of 6.5.0 m0
05/14/1748Earthquake in Greece (Corinthos-Patras Gulf) with a magnitude of 6.8.0 m0
09/29/1650Volcano, landslide in Greece (Thera Island (Santorini)) with a magnitude of 6.3.30 m0
11/05/1633Earthquake in Greece (Island Of Zakynthos) with a magnitude of 6.9.0 m0
07/01/1494Earthquake in Greece (Island Of Crete) with a magnitude of 7.2.0 m0
05/03/1481Earthquake in Greece (Island Of Rhodes) with a magnitude of 7.1.3 m0
08/08/1303Earthquake in Greece (Aegean Sea) with a magnitude of 8.0. The tsunami also reached Egypt, Israel.0 m0
07/21/365Earthquake in Greece (Crete) with a magnitude of 8.0. The tsunami also reached Egypt, Spain, Turkey.0 m5,000
01/01/142Earthquake in Greece (Dodecanese Islands) with a magnitude of 7.0.0 m0


These evaluations are based on data from the Global Historical Tsunami Database of the National Geophysical Data Center, NOAA, and World Data Service (NGDC/WDS), doi:10.7289/V5PN93H7. Individual data have been summarized or translated.
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