M 4.6 in Greece on 21 Oct 2021 09:38 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: 35.0631 , 25.2178
Event Date: 21 Oct 2021 09:38 UTC
21 Oct 2021 12:38 Local
Exposed Population:
470 thousand in 100km
Source: NEIC us6000fwdx
Inserted at: 21 Oct 2021 11:10 UTC
INFORM Coping capacity of the alert score
2.5 (Greece)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000fwdx Scaled population (vector) 6.05  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability -0.61  
  INFORM_normalised 0.69  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1403650 0 21 Oct 2021 09:38 4.6M, 10km N/A 470 thousand (in 100km) 01:31 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 Pirgos, Protoria, Skinias, Arkalokhórion, Khárakas, Kefalóvrisi, Voni, Ano Viánnos, Kalloní, Profitis Ilias, and Mouliana Kriti.

Radius Population
100 km 470000 people
75 km 430000 people
50 km 360000 people
20 km 46000 people
10 km 13000 people
5 km 3200 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Crete Greece 540000 people

Affected populated places

Name Region Province Country City class Population Distance
Pirgos Irakleio Greece Village - 7 km
Protoria Irakleio Greece Village - 7 km
Skinias Irakleio Greece Village - 8 km
Arkalokhórion Irakleio Greece Village - 10 km
Khárakas Irakleio Greece Village - 10 km
Kefalóvrisi Greece Village - 11 km
Voni Irakleio Greece Village - 15 km
Ano Viánnos Irakleio Greece Village - 16 km
Kalloní Irakleio Greece Village - 17 km
Profitis Ilias Irakleio Greece Village - 19 km
Ayía Varvára Irakleio Greece Village - 19 km
Kastellion Irakleio Greece Village - 20 km
Arkanes Irakleio Greece Village - 20 km
Episkopi Irakleio Greece Village - 20 km
Agia Varvara Greece Village - 21 km
Dafnes Kriti Greece Village - 22 km
Ayioi Dhéka Irakleio Greece Village - 24 km
Elaia Irakleio Greece Village - 26 km
Áyios Yeóryios Irakleio Greece Village - 27 km
Avadhoú Irakleio Greece Village - 27 km
Tzermiado Greece Village - 27 km
Léndas Irakleio Greece Village - 28 km
Káto Vígles Greece Village - 28 km
Zaros Irakleio Greece Village - 29 km
Ayios Miron Irakleio Greece Village - 30 km
Nea Alikarnassos Irakleio Greece Village - 30 km
Goúrnai Irakleio Greece Village - 30 km
Gouves Kriti Greece Village - 31 km
Tilisos Irakleio Greece Village - 31 km
Heraklion Irakleio Greece Major city 130000 people 31 km
Moírai Irakleio Greece City - 32 km
Limin Khersónisos Irakleio Greece Village - 32 km
Tzermiádhon Lasithi Greece Village - 32 km
Andiskárion Greece Village - 33 km
Myrtos Greece Village - 33 km
Mállia Irakleio Greece Village - 33 km
Pigaïdhákia Irakleio Greece Village - 35 km
Voroi Irakleio Greece Village - 37 km
Pómbia Irakleio Greece Village - 38 km
Kamárai Irakleio Greece Village - 38 km
Anatoli Greece Village - 38 km
Márathos Rethymni Greece Village - 39 km
Kamarai Kriti Greece Village - 39 km
Ammoudhárai Greece Village - 39 km
Kaloi Limenes Greece Village - 39 km
Anóyia Rethymni Greece City - 40 km
Kalamávka Lasithi Greece Village - 40 km
Kritsá Lasithi Greece City - 40 km
Platanos Irakleio Greece Village - 41 km
Timbákion Greece Village - 41 km
Milatos Irakleio Greece Village - 41 km
Neapolis Lasithi Greece City - 41 km
Damasta Greece Village - 42 km
Zoniana Rethymni Greece Village - 42 km
Matala Greece Village - 43 km
Sisai Greece Village - 46 km
Livádhia Rethymni Greece Village - 47 km
Ayios Nikolaos Lasithi Greece Village 12000 people 47 km
Ierapetra Greece Village 12000 people 48 km
Metokhi Irisiana Rethymni Greece Village - 48 km
Ayía Galíni Greece Village - 49 km
Fourfourás Rethymni Greece Village - 49 km
Agia Galini Greece Village - 50 km
Káto Khorió Lasithi Greece Village - 52 km
Eloúnda Lasithi Greece Village - 52 km
Melambes Kriti Greece Village - 53 km
Perama Rethymni Greece Village - 56 km
Koutsounára Greece Village - 56 km
Amári Rethymni Greece Village - 56 km
Perama Kriti Greece Village - 57 km
Apostoli Greece Village - 58 km
Kavoúsi Lasithi Greece Village - 59 km
Akoúmia Rethymni Greece Village - 59 km
Panormos Rethymni Greece Village - 62 km
Sfáka Lasithi Greece Village - 67 km
Magnisía Rethymni Greece Village - 67 km
Koutsouras Greece Village - 67 km
Makriyialos Greece Village - 69 km
Mouliana Kriti Greece Village - 70 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
Kasteli 360 Mil. Paved Yes 8000 17 km
N. Kazantzakis HER 35 Civ. Paved Yes 8900 31 km
Tympaki 15 0 41 km
Sitia JSH 122 Civ. Paved No 2300 82 km

Ports

Name LOCODE Country Distance
Iraklion GRHER Greece 32 km
Kali Limenes GRKLL Greece 40 km
Dia Island Greece 40 km
Ierapetra Greece 48 km
Aghios Nikolaos Greece 48 km
Rethimnon Greece 78 km
Sitia GRJSH Greece 84 km

Dams

Reservoir Dam Name River Year Distance
Bramianos Bramianos 1986 44 km

More information

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