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.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


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 ,of Crete (population 537,807) . The alertlevel for this event is GREEN

Intensity Population
4000 people
14000 people
5200 people
3400 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0.4 1401766 35.193/26.256 6.4 10.0 7.068 12 Oct 2021 09:48 00:24 (new episode)
2 0.6 1401766 35.193/26.256 6.4 10.0 7.634 12 Oct 2021 10:45 01:21 (upd of #1)
3 0.5 1401766 35.193/26.256 6.4 10.0 7.615 12 Oct 2021 10:47 01:23 (upd of #2)
4 0.8 1401766 35.193/26.256 6.4 10.0 8.1 12 Oct 2021 11:29 02:05 (upd of #3)
5 0.7 1401766 35.193/26.256 6.4 10.0 8.199 12 Oct 2021 17:46 08:22 (upd of #4)
6 0.8 1401766 35.193/26.256 6.4 10.0 8.28 13 Oct 2021 09:28 1d 00:04 (upd of #5)

Affected Provinces

Intensity Region Province Country Population
Crete Greece 2300 people
Crete Greece 9000 people
Crete Greece 4800 people
Crete Greece 4100 people
Crete Greece 300000 people
Aegean Islands Greece 30000 people

Affected populated places. Areas of interest

Intensity 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
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
Myrtos Greece Village - 65 km
Ayía Marína Dodekanisos Greece City - 66 km
Áyios Yeóryios Irakleio Greece Village - 71 km
Ano Viánnos Irakleio Greece Village - 81 km
Kastellion Irakleio Greece Village - 84 km
Arkasa Dodekanisos Greece Village - 85 km
Piles Dodekanisos Greece Village - 88 km
Skinias Irakleio Greece Village - 88 km
Menetes Dodekanisos Greece Village - 89 km
Voni Irakleio Greece Village - 90 km
Arkalokhórion Irakleio Greece Village - 91 km
Volada Dodekanisos Greece Village - 91 km
Mesoknorion Dodekanisos Greece Village - 92 km
Episkopi Irakleio Greece Village - 93 km
Kárpathos Dodekanisos Greece Village - 93 km
Elaia Irakleio Greece Village - 94 km
Kalloní Irakleio Greece Village - 97 km
Arkanes Irakleio Greece Village - 100 km
Nea Alikarnassos Irakleio Greece Village - 100 km
Pirgos Irakleio Greece Village - 102 km
Protoria Irakleio Greece Village - 103 km
Olimbos Dodekanisos Greece Village - 103 km
Heraklion Irakleio Greece Major city 130000 people 103 km
Khárakas Irakleio Greece Village - 105 km
Profitis Ilias Irakleio Greece Village - 106 km
Dhiafánion Dodekanisos Greece Village - 106 km
Dafnes Kriti Greece Village - 108 km
Ayía Varvára Irakleio Greece Village - 111 km
Chiglio Greece Village - 112 km
Tilisos Irakleio Greece Village - 112 km
Ayios Miron Irakleio Greece Village - 114 km
Agia Varvara Greece Village - 115 km
Argos Greece Village - 118 km
Márathos Rethymni Greece Village - 118 km
Ayioi Dhéka Irakleio Greece Village - 120 km
Damasta Greece Village - 123 km
Zaros Irakleio Greece Village - 123 km
Léndas Irakleio Greece Village - 123 km
Sisai Greece Village - 125 km
Anóyia Rethymni Greece City - 125 km
Metokhi Irisiana Rethymni Greece Village - 127 km
Moírai Irakleio Greece City - 127 km
Andiskárion Greece Village - 128 km
Zoniana Rethymni Greece Village - 128 km
Pigaïdhákia Irakleio Greece Village - 130 km
Kamárai Irakleio Greece Village - 131 km
Voroi Irakleio Greece Village - 132 km
Kamarai Kriti Greece Village - 133 km
Pómbia Irakleio Greece Village - 133 km
Platanos Irakleio Greece Village - 134 km
Kaloi Limenes Greece Village - 135 km
Timbákion Greece Village - 136 km
Matala Greece Village - 139 km
Astipalaia Dodekanisos Greece Village - 154 km
Kattaviá Dodekanisos Greece Village - 161 km
Khuríon Greece Village - 166 km
Mesanagros Dodekanisos Greece Village - 169 km
Lakhaniá Dodekanisos Greece Village - 169 km
Apolakkiá Dodekanisos Greece Village - 170 km
Livadia Greece Village - 170 km
Monólithos Dodekanisos Greece Village - 171 km
Megálon Khorión Greece Village - 171 km
Istrios Dodekanisos Greece Village - 175 km
Profilia Dodekanisos Greece Village - 175 km
Yennádhi Dodekanisos Greece Village - 177 km
Laerma Dodekanisos Greece Village - 186 km
Aláerma Dodekanisos Greece Village - 186 km
Lárdhos Dodekanisos Greece Village - 189 km
Salakos Dodekanisos Greece Village - 195 km
Eleoúsa Dodekanisos Greece Village - 200 km
Psindhos Dodekanisos Greece Village - 208 km
Afándou Dodekanisos Greece Village - 211 km
Faliraki Dodekanisos Greece Village - 215 km

see full list


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Sitia JSH 122 Civ. Paved No 2300
Essey KSJ 10 Civ. Paved No 3200
Karpathos AOK 6 Civ. Paved Yes 6800
Kasteli 360 Mil. Paved Yes 8000
N. Kazantzakis HER 35 Civ. Paved Yes 8900
Tympaki 15 0
Astipalaia JTY 47 Civ. Paved No 3200

Ports

Intensity Name LOCODE Country
Sitia GRJSH Greece
Aghios Nikolaos Greece
Ierapetra Greece
Kasos Island Greece
Khamili Island Greece
Karpathos Island Greece
Iraklion GRHER Greece
Olimbos Greece
Saria Island Greece
Anafi Island Greece
Sirna Island Greece
Kali Limenes GRKLL Greece
Ormos Maltezana Greece
Khalki Island Greece
Megalo Khorio Greece
Alimnia Island Greece

Dams

Intensity Reservoir Dam Name River Year
Bramianos Bramianos 1986

More information

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