Overall Green Earthquake alert in Dodecanese Islands, Greece on 20 Jan 2021 23:37 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 4.6 in Dodecanese Islands, Greece on 20 Jan 2021 23:37 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:	4.6M
Depth:	10 Km
Lat/Lon:	37.8777 , 26.7493
Event Date:	20 Jan 2021 23:37 UTC 21 Jan 2021 01:37 Local
Exposed Population:	4310000 people within 100km
Source:	NEIC us7000d1v3
Inserted at:	20 Jan 2021 23:52 UTC
INFORM Coping capacity of the alert score	3.2 (Türkiye)
INFORM Coping capacity of the affected contries:	Türkiye= 3.2; Greece= 2.5

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us7000d1v3	Scaled population (vector)	6.33
	C1 earthquake	1.37
	C2 earthquake	-0.11
	Country Vulnerability	0.27
	INFORM_normalised	0.77

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1353999		0	20 Jan 2021 23:37	4.6M, 10km	N/A	4.3 million (in 100km)		00:14	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 Aegean Islands (population 456,800) . The nearest places are Néon Karlovásion, Kokkárion, Marathókambos, Pandrosson, Kumäika, Kallithea, Pithagorion, Pagóndas, Doganbey, Samos, and Aydin.

Radius	Population
100 km	4.3 million people
75 km	3 million people
50 km	240000 people
20 km	14000 people
10 km	2000 people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Aegean Islands	Greece	460000 people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Néon Karlovásion	Samos	Greece	Village	4800 people	10 km
Kokkárion	Samos	Greece	Village	<1000 people	17 km
Marathókambos	Samos	Greece	City	-	17 km
Pandrosson		Greece	Village	-	18 km
Kumäika		Greece	Village	-	20 km
Kallithea		Greece	Village	<1000 people	20 km
Pithagorion	Samos	Greece	Village	-	23 km
Pagóndas	Samos	Greece	Village	1100 people	23 km
Doganbey	Izmir	Turkey	Village	-	24 km
Samos	Samos	Greece	City	5900 people	24 km
Vathy		Greece	Village	-	25 km
Iräon		Greece	Village	-	27 km
Ürkmez	Izmir	Turkey	Village	-	27 km
Gümüldür	Izmir	Turkey	Village	-	33 km
Khrisomilea	Samos	Greece	Village	-	35 km
Seferihisar	Izmir	Turkey	City	19000 people	36 km
Özdere	Izmir	Turkey	Village	-	37 km
Demirci	Izmir	Turkey	Village	-	38 km
Benler	Izmir	Turkey	Village	-	42 km
Bademler	Izmir	Turkey	Village	-	43 km
Zeytineli	Izmir	Turkey	Village	-	44 km
Kusadasi	Aydin	Turkey	City	44000 people	45 km
Therma	Samos	Greece	Village	-	46 km
Atburgazi	Aydin	Turkey	Village	-	46 km
Güzelçamli	Aydin	Turkey	Village	-	46 km
Yeniköy	Izmir	Turkey	Village	-	46 km
Yenice	Izmir	Turkey	Village	-	46 km
Çileme	Izmir	Turkey	Village	-	48 km
Uzunkuyu	Izmir	Turkey	Village	-	48 km
Urla	Izmir	Turkey	City	45000 people	50 km
Çamli	Izmir	Turkey	Village	-	50 km
Davutlar	Aydin	Turkey	Village	-	50 km
Cumaovasi	Izmir	Turkey	Village	-	52 km
Özbek	Izmir	Turkey	Village	-	52 km
Güzelbahçe	Izmir	Turkey	Village	-	52 km
Görece	Izmir	Turkey	Village	-	53 km
Gökçealan	Aydin	Turkey	Village	-	54 km
Xilosírtis	Samos	Greece	Village	-	54 km
Doganbey	Aydin	Turkey	Village	-	55 km
Selçuk	Izmir	Turkey	City	26000 people	55 km
Alaçati	Izmir	Turkey	Village	-	56 km
Acarlar	Izmir	Turkey	Village	-	56 km
Narlica	Izmir	Turkey	Village	-	58 km
Söke	Aydin	Turkey	City	70000 people	59 km
Gaziemir	Izmir	Turkey	Village	-	59 km
Evdilos		Greece	Village	-	59 km
Mentes	Izmir	Turkey	Village	-	60 km
Balat	Aydin	Turkey	Village	-	60 km
Asaginarlidere	Izmir	Turkey	Village	-	60 km
Ciftlik Koyu Ciftlikkoy	Izmir	Turkey	Village	-	61 km
Avrancilar	Izmir	Turkey	Village	-	62 km
Akköy	Aydin	Turkey	Village	-	62 km
Balikliova	Izmir	Turkey	Village	-	62 km
Balçova	Izmir	Turkey	Village	-	62 km
Torbali	Izmir	Turkey	City	36000 people	63 km
Çaybasi	Izmir	Turkey	Village	-	63 km
Çesme	Izmir	Turkey	City	-	63 km
Belevi	Izmir	Turkey	Village	-	64 km
Yeniköy	Aydin	Turkey	Village	-	64 km
Skala	Dodekanisos	Greece	Village	-	65 km
Pátmos	Dodekanisos	Greece	Village	-	65 km
Manganítis	Samos	Greece	Village	-	65 km
Ortaklar	Aydin	Turkey	City	-	66 km
Sarikemer	Aydin	Turkey	Village	-	67 km
Buca	Izmir	Turkey	City	-	68 km
Kirklar	Izmir	Turkey	Village	-	69 km
Izmir	Izmir	Turkey	Major city	2.2 million people	71 km
Aydin	Aydin	Turkey	Major city	150000 people	96 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
Samos	SMI	6	Civ.	Paved	Yes	6600	25 km
Ikaria	JIK	24	Civ.	Paved	No	4200	41 km
Efes		3	Civ.	Paved	No	5700	52 km
Adnan Menderes	ADB	132	Civ.	Paved	Yes	10600	58 km
Gaziemir		126	Mil.	Paved	Yes	4400	61 km
Cigli Military Airport		5	Mil.	Paved	No	10700	74 km
Cigli	IGL	5	Mil.	Paved	Yes	9800	74 km
Chios	JKH	5	Civ.	Paved	Yes	4900	74 km
Leros	LRS	11	Civ.	Paved	No	3300	77 km
Olimboi		152				0	81 km
Cildir		32	Civ.	Paved	No	4700	100 km

Ports

Name	LOCODE	Country	Distance
Karlovasi		Greece	11 km
Ormos Vathi	GRSMI	Greece	24 km
Pithagorion		Greece	27 km
Sigacik		Turkey	36 km
Fournoi		Greece	37 km
Kusadasi	TRKUS	Turkey	44 km
Alacati		Turkey	55 km
Cesme	TRCES	Turkey	63 km
Lipsoi Island		Greece	64 km
Patmos	GRPMS	Greece	64 km
Lipsoi		Greece	64 km
Izmir		Turkey	69 km
Izmir (Smyrna)	TRIZM	Turkey	74 km
Khios		Greece	76 km
Lakkion		Greece	83 km
Ormos Kolokithias		Greece	86 km
Marmaron		Greece	94 km
Foca	TRFOC	Turkey	97 km
Nemrut Bay	TRNEM	Turkey	99 km
Dodecanese Island		Greece	99 km
Levitha Island		Greece	100 km

Dams

Reservoir	Dam Name	River	Year	Distance
	Tahtali	Tahtali	1996	38 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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