M 6.8 in Greece on 25 Oct 2018 22:54 UTC

Event summary

This earthquake can have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID EQ 1159936
Earthquake Magnitude: 6.8M
Depth: 14 Km
Lat/Lon: 37.5055 , 20.5626
Event Date: 25 Oct 2018 22:54 UTC
25 Oct 2018 23:54 Local
Exposed Population: About 7000 people in MMI
230000 people within 100km
Inserted at: 25 Oct 2018 23:59 UTC
INFORM Coping capacity:
2.5 (Greece)
Maximum Wave Height observed: 0.12 m


For more info on GDACS alert score click here.
Tsunami GDACS score
NEIC 0.3 0.5 0.5
us1000hhb1 Scaled population (vector) 2.65 Max wave alert 0.12m  
  C1 shakemap -0.59 Max wave realtime 0.54m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.69      
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Greece - 6.8 M Earthquake and Tsunami (ECHO 26 Oct 2018)Fri, 26 Oct 2018 13:01

  • An earthquake of 6.4 ML at the depth of 9.1 km according to the Institute of Geodynamics of Greece occurred in the Ionian Sea (western Greece) on 25 October at 22:54 UTC. The epicentre was located 45 km south-west of Zakynthos Town (Zakynthos Island). Shaking was estimated to be up to very strong for 5 000 people and strong for 52 000 people.
  • The earthquake triggered a small tsunami detected by several sea-level instruments in the area (0.09 m in Kyparissia and Crotone, 0.06 m in Le Castella). The European Commission's Joint Research Centre is closely monitoring the situation.
  • As of 26 October, there are no reports of casualties. Some minor damage was sustained to port infrastructure in Zakynthos, there have been problems in the electricity network and small localised landslides.
Detailed event map. European Union, 2024. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Articles: 266 | About casualties: 16 | Last hour: 0

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Un total de 40 terremotos de entre 4,2 y 5,1 de magnitud se produjeron durante los últimos tres días en el mar Jónico, cerca de la costa de Grecia, informa el Servicio Geológico de Estados Unidos (USGS, por sus siglas en inglés). El epicent
Earthquake hits Greek islandSun, 28 Oct 2018 04:48:00 +0100.

A powerful earthquake has hit western Greece, damaging a port and a 15th-century monastery, but causing no major injuries, officials and local media said. The quake struck early on Friday morning, sending out tremors felt as far afield as
Earthquake projects try to preserve historySat, 27 Oct 2018 21:04:00 +0200.

That is because scientists have already tested how it would behave in an earthquake, by using advanced computer simulations that take into account the design and composition of the building, its foundations, and the type of soil it rests on

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (91), (5), NEIC (4), OCHA (1), INGV (1), WMO (2), USGS (5), INFORM (4), NOAA (1),