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Current time: 2014-09-30 20:22:24 UTC
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Two M6 earthquakes in Cephalonia, Greece within 8 days

Last update: 2 June 2014 at 09:35 UTC


Earthquake details | Aftershocks locations | Intensity map
Comments posted by the witnesses | Send us pictures or videos | Epicenter location


Earthquakes' details

Eight days after the first M6.1 earthquake that hit the region of Argostólion, Cephalonia, Western Greece on January 26th, 2014 at 13:55 UTC (15:55 local time), a second M6.0 earthquake hit this region on February 3rd, at 03:08 UTC (05:08 local time).

Since the first shock, numerous aftershocks have been recorded. In 9 days, 434 M3+ earthquakes, 51 M4+ earthquakes, and 3 M5+ earthquakes have been recorded in this sequence.

These two M6 earthquakes occurred in the same island as the destructive events of 1953. Between August 9th and 12th of 1953, three earthquakes of magnitude 6.4, 6.8 and 7.2 took place in Cephalonia leading to hundreds of casualties and strong damages all over the island, but also in Zante and Ithaca. In the following months, 80% of the population left the island.

The 2014 earthquakes' sequence has led to important damages in the area.

Scientific articles:

Read more:

 

 

>> M6.1 of January 26th

Information on the main shock

If you have experienced this earthquake, please answer the online questionnaire. Your testimony will be useful to update the Intensity map here below, where intensities correspond to the effects of the earthquake.

A local news website, reported some damage on roads and buildings in the towns of Lixouri and Argostoli. There have been some slight injuries from falls, and falling objects inside apartments. Local media reported several rock falls as well as damages to the local airport's control tower. 

Information on the geodetic signature of this event is available here.

>> M6.0 of February 03rd

Information on the main shock

If you have experienced this earthquake, please answer the online questionnaireYour testimony will be useful to update the Intensity map here below, where intensities correspond to the effects of the earthquake.

News online reported power and water cuts along with several injuries. People remain off their homes, welcomed on board ships sent for this purpose. Bad weather conditions are observed.

 

Aftershocks locations

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Citizen seismology

The graph below shows the EMSC web traffic during the last two weeks originating from Greece. The web users location is identified thanks to their IP address. The Cephalonia events (in red) are clearly related to web access surges.

The method: The EMSC has developed an original approach named Citizen Seismology: on one hand, when an earthquake occurs, witnesses visit EMSC website to look for further explanation of the event. By identifying the geographical origin of the website’s visitors, the area where the earthquake was felt is mapped within a couple of minutes of its occurrence. On the other hand, EMSC involves citizens in earthquake response by collecting in-situ information (questionnaires, pictures…) on the earthquake impact directly from the witnesses. Consequently, these developments provide rapid constraints on the earthquake impact by involving the citizens in the response and draw an efficient way to raise seismic risk awareness.

For easier reading, the graph above is truncated in its two main peaks: 
- M6.1: 855 new visitors per minute
- M6.0: 405 new visitors per minute
 
 
 

Intensity maps

A total of 1094 witness' reports were collected by the EMSC for the Cephalonia sequence.

 
(generated with the results of the online questionnaire)

(click to enlarge)

intensity

M6.1 of January 26th

intensity

M6.1 of January 26th

intensity

M6.0 of February 3rd

 


 

Comments posted by the witnesses (of January 26th M6.1 event)

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You can click on the map' icons to view specific information.

 

M6.1 January 26th Comments excerpts

 

Send us pictures or videos

You were on the spot and you have taken photos or videos of earthquake effects (on buildings, ground, landscape), please send us your files. Send them by mail or upload them directly from your computer. Just click on the link below :

>> M6.1 of January 26th


Send us pictures or videos of the main shock effects
After validation your files will be displayed on this page.




>> M6.O of February 03th


Send us pictures or videos of the main shock effects
After validation your files will be displayed on this page.



Epicenter location

>> M6.1 of January 26th

LocalView
Main Shock Epicenter Location
seismicity
Past Regional Seismicity as from the ISC catalogue (1964-2004) and EMSC Real Time catalogue (2005-today)
tensors
Moment Tensors Solutions

>> M6.0 of February 03rd

LocalView
Main Shock Epicenter Location
  tensors
Moment Tensors Solutions