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

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 VIII
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

IDAlertScoreDateMag, DepthMMI*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 39000 people
20 km 15000 people
10 km 3200 people
5 km 1600 people
2 km 1100 people

Affected Provinces

Region Province Country Population
Crete Greece 530000 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 11000 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 11000 people 49 km
Ierapetra Greece Village 11000 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.