2018 Ionian Sea earthquake
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| UTC time | 2018-10-25 22:54:51 |
|---|---|
| ISC event | 613514189 |
| USGS-ANSS | ComCat |
| Local date | October 26, 2018 |
| Local time | 01:54:51 EEST |
| Magnitude | 6.8 Mw |
| Depth | 14 km (8.7 mi) |
| Epicenter | 37°30′22″N 20°33′47″E / 37.506°N 20.563°E |
| Max. intensity | VII (Very strong) |
| Tsunami | ~20 cm |
| Casualties | 3 injured |
A strong earthquake measuring magnitude Mw 6.8 occurred in the Ionian Sea near the coasts of Greece during the night between 25 and 26 October 2018 at 22:54:51 UTC (01:54:51 in Greece).[1] Sea level changes were predicted,[2] and a tsunami advisory was issued.[3][4] Reports of sea level change of up to 20 centimeters were reported in Greece and Italy.[5]
The epicenter was located about 133 km from Patras. The earthquake occurred 14 km below the surface.[5] Power outages were reported on the island of Zakynthos, and a 15th century monastery was also damaged on the islands of Strofades.[6][5] The port of Zakynthos also sustained major damage, and a state of emergency was declared in the municipality.[7] Services around Zakynthos were affected, and schools were closed on October 26.[8] Tax relief was also extended into January in order to support the local tourism industry.[9]
Other structures were damaged, but despite the magnitude of the event, there were no reported serious injuries or casualties.[10] About 120 homes were left uninhabitable, and the town laterally shifted 5 centimeters as a result of the earthquake.[11] A strict building code was cited as a possible reason for the limited amount of damage, as Zakynthos suffered major damage from a 1953 earthquake.[8][5]
The event was felt in eight countries, including in the Balkans, Italy, Malta as well as coasts of Africa and Turkey.[12][13]
The main shock was followed by multiple aftershocks in the following days, including undersea aftershocks of magnitude 4.4 and 5 over a week after the initial earthquake.[14] The largest reported aftershock was of magnitude 5.6 the day of the initial earthquake.[15]
References
- ^ "Earthquake, Magnitude 6.8 - IONIAN SEA - 2018 October 25, 22:54:51 UTC". EMSC-CSEM. Retrieved 2018-10-26.
- ^ "Earthquake, Magnitude 6.8 - IONIAN SEA - 2018 October 25, 22:54:51 UTC". EMSC-CSEM. Retrieved 2018-10-26.
- ^ "Possible tsunami warning after 6.8 quake off Greece". RT International. Retrieved 2018-10-26.
- ^ "Overall Green Earthquake alert in Greece on 25 Oct 2018 22:54 UTC". www.gdacs.org. Retrieved 2018-10-26.
- ^ a b c d "6.8 magnitude earthquake impacts Greek island". abc.net.au. 27 October 2018. Retrieved 5 November 2018.
- ^ Editorial, Reuters. "Strong quake off Greece, no early reports of damage, injuries". U.K. Retrieved 2018-10-26.
{{cite news}}:|first=has generic name (help) - ^ "Zakynthos quake prompts state of emergency". Ekathimerini.com.
- ^ a b "Schools and services in Zakynthos to remain closed after massive earthquake hits". 2018-10-26. Retrieved 5 November 2018.
- ^ "Tourism flows to Zakynthos strong: No quake impact, say hoteliers". 5 November 2018. Retrieved 6 November 2018.
- ^ "Watch the moment the 6.4 earthquake struck in Zakynthos (videos)". Retrieved 2018-10-26.
- ^ "Two earthquakes jolt Greece's Ionian islands on Saturday". Greekreporter.com. 3 November 2018. Retrieved 5 November 2018.
- ^ "EMSC on Twitter". Twitter. Retrieved 2018-10-26.
- ^ "Powerful quake shakes western Greece, no major injuries". Retrieved 2018-10-26.
- ^ "Two earthquake aftershocks felt on Zakynthos Island". 2018-11-04.
- ^ "Quake damages harbor, knocks out some power on Greek island".
Further reading
- Efthimios Sokos, František Gallovič, Christos P. Evangelidis, Anna Serpetsidaki, Vladimír Plicka, Jan Kostelecký, Jiří Zahradník; The 2018 Mw 6.8 Zakynthos, Greece, Earthquake: Dominant Strike‐Slip Faulting near Subducting Slab. Seismological Research Letters doi: https://doi.org/10.1785/0220190169
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