Overall Green Earthquake alert in Greece on 12 Oct 2021 09:24 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 6.4 in Greece on 12 Oct 2021 09:24 UTC

Hazard models

EQ parameters

Shakemap

Tsunami

Event summary

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

Earthquake Magnitude:	6.4M
Depth:	10 Km
Lat/Lon:	35.1931 , 26.2556
Event Date:	12 Oct 2021 09:24 UTC 12 Oct 2021 12:24 Local
Exposed Population:	About 4000 people in MMI 20 thousand (in MMI>=VII)
Source:	NEIC us6000ftxu
Inserted at:	18 Oct 2021 15:18 UTC
INFORM Coping capacity of the alert score	2.5 (Greece)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		Tsunami		GDACS score
NEIC	0.8		0.1		0.8
us6000ftxu	Scaled population (raster)	3.82	Max wave alert	0.13m
	C1 shakemap	-0.59	Max wave realtime	0.13m
	C2 shakemap	0.53
	Country Vulnerability	0
	INFORM_normalised	0.69

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1401763		0.3	12 Oct 2021 09:24	6.6M, 10km	N/A	90 thousand (in 100km)	0.3m (at 00:12)	6d 05:54	GEOFON
1401766		0.8	12 Oct 2021 09:24	6.4M, 10km	8.28	20 thousand (in MMI>=VII)	0.1m (at 00:07)	6d 05:54	NEIC

The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.

The episode that has the last updated information.

* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Greece , Region of Crete (population 537,807) . The nearest places are Palaíkastron, Vái, Zákros, Ayía Fotiá, Káto Zákros, Sitia, Praisós, Ziros, Skopi Kriti, Skopi, and Tzermiádhon.

Radius	Population
100 km	150000 people
75 km	81000 people
50 km	40000 people
20 km	15000 people
10 km	3300 people
5 km	1600 people
2 km	1200 people

Affected Provinces

Region Province	Country	Population
Crete	Greece	540000 people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Palaíkastron	Lasithi	Greece	Village	-	1 km
Vái	Lasithi	Greece	Village	-	8 km
Zákros	Lasithi	Greece	Village	-	9 km
Ayía Fotiá	Lasithi	Greece	Village	-	9 km
Káto Zákros	Lasithi	Greece	Village	-	10 km
Sitia	Lasithi	Greece	City	12000 people	15 km
Praisós	Lasithi	Greece	Village	-	18 km
Ziros	Lasithi	Greece	Village	-	19 km
Skopi Kriti		Greece	Village	-	19 km
Skopi	Lasithi	Greece	Village	-	21 km
Lithinai		Greece	Village	-	24 km
Gaïdhourás		Greece	Village	-	25 km
Mouliana Kriti		Greece	Village	-	26 km
Sfáka	Lasithi	Greece	Village	-	29 km
Makriyialos		Greece	Village	-	31 km
Koutsouras		Greece	Village	-	32 km
Kavoúsi	Lasithi	Greece	Village	-	37 km
Koutsounára		Greece	Village	-	43 km
Káto Khorió	Lasithi	Greece	Village	-	46 km
Ayios Nikolaos	Lasithi	Greece	Village	12000 people	49 km
Ierapetra		Greece	Village	12000 people	51 km
Eloúnda	Lasithi	Greece	Village	-	53 km
Kritsá	Lasithi	Greece	City	-	56 km
Kalamávka	Lasithi	Greece	Village	-	56 km
Ammoudhárai		Greece	Village	-	59 km
Anatoli		Greece	Village	-	59 km
Neapolis	Lasithi	Greece	City	-	60 km
Milatos	Irakleio	Greece	Village	-	64 km
Myrtos		Greece	Village	-	65 km
Ayía Marína	Dodekanisos	Greece	City	-	66 km
Tzermiádhon	Lasithi	Greece	Village	-	67 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Sitia	JSH	122	Civ.	Paved	No	2300	14 km
Essey	KSJ	10	Civ.	Paved	No	3200	65 km
Karpathos	AOK	6	Civ.	Paved	Yes	6800	85 km
Kasteli		360	Mil.	Paved	Yes	8000	85 km
N. Kazantzakis	HER	35	Civ.	Paved	Yes	8900	99 km

Ports

Name	LOCODE	Country	Distance
Sitia	GRJSH	Greece	12 km
Aghios Nikolaos		Greece	49 km
Ierapetra		Greece	52 km
Kasos Island		Greece	60 km
Khamili Island		Greece	74 km
Karpathos Island		Greece	94 km
Dia Island		Greece	95 km

Dams

Reservoir	Dam Name	River	Year	Distance
	Bramianos	Bramianos	1986	54 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

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