Light mag. 3.9 earthquake - 23 km southeast of Heraklion, Crete, Greece, on Friday, Oct 22, 2021 8:12 pm (GMT +3) -

Light mag. 3.9 earthquake - 23 km southeast of Heraklion, Crete, Greece, on Friday, Oct 22, 2021 8:12 pm (GMT +3)

Light magnitude 3.9 earthquake at 14 km depth

22 Oct 17:16 UTC: First to report: EMSC after 4 minutes.
22 Oct 17:17: Now using data updates from NOA
22 Oct 17:22: Magnitude recalculated from 4.1 to 3.9. Epicenter location corrected by 1 km (0.6 mi) towards S.
22 Oct 17:52: Hypocenter depth recalculated from 5.0 to 13.9 km (from 3.1 to 8.6 mi). Epicenter location corrected by 12 km (7.7 mi) towards N.
Date & time: Oct 22, 2021 17:12:50 UTC -
Local time at epicenter: Friday, Oct 22, 2021 8:12 pm (GMT +3)
Magnitude: 3.9
Depth: 13.9 km
Epicenter latitude / longitude: 35.1842°N / 25.3185°E (Heraklion Regional Unit, Crete, Greece)
Antipode: 35.184°S / 154.682°W
Nearest volcano: Santorini (148 km / 92 mi)
Nearby towns and cities:
3 km (2 mi) SSW of Kastélli (pop: 1,830) --> See nearby quakes!
15 km (9 mi) ESE of Ano Archanes (pop: 3,910) --> See nearby quakes!
16 km (10 mi) S of Kato Gouves (pop: 2,150) --> See nearby quakes!
17 km (11 mi) SW of Malia (Kreta) (pop: 4,340) --> See nearby quakes!
22 km (14 mi) SE of Néa Alikarnassos (Nea Alikarnassos) (pop: 12,900) --> See nearby quakes!
23 km (14 mi) SE of Heraklion (pop: 137,200) --> See nearby quakes!
28 km (17 mi) SE of Gazi (pop: 12,600) --> See nearby quakes!
36 km (22 mi) W of Agios Nikolaos (pop: 11,400) --> See nearby quakes!
43 km (27 mi) WNW of Ierapetra (Kreta) (pop: 12,400) --> See nearby quakes!
342 km (213 mi) SSE of Athens (Attica) (pop: 664,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 18.5°C (65 F), humidity: 71%, wind: 3 m/s (5 kts) from NW
Primary data source: NOA (National Observatory of Athens)
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
3.914 kmGreece: 6 Km NE From ArkalochoriNOA
4.38 kmCRETE, GREECEEMSC
4.310 kmCrete, GreeceGFZ
4.05.5 kmGreece: GIRIT ADASI (MEDITERRANEAN SEA)KOERI-RETMC
4.310 km3 Km SE of Arkalochóri, GreeceUSGS

User reports for this quake (46)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Translate
Apostoli Crete (4.5 km NNW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / very short : staying in a rather simply built one storey house - everything rattled, as if someone was jumping on the roof.  
Kato Gouves, Heraklion, Crete (17.2 km N of epicenter) [Map] / Weak shaking (MMI III)
Hersonissons (15.1 km NNE of epicenter) [Map] / Very weak shaking (MMI II) : sitting on sofa, feel shivering under me  
Stella Palace analipsis (16.7 km N of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : Tisch hat Gläser haben gewackelt  
Sisi, Lasithi, Crete (20.6 km NE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : Leichtes Zittern des Sofas, auf dem ich saß.  
Heraklion, Crete (23.3 km NW of epicenter) [Map] / Very weak shaking (MMI II) / complex motion difficult to describe / 1-2 s
Ano Archanes Iraklio Crete (15.7 km WNW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
Aldemar Royal Mare (17.6 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / 2-5 s
Gazi, Heraklion, Crete (27.9 km NW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
Kato Gouves, Heraklion, Crete (17 km N of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Néa Alikarnassos, Heraklion, Crete (21.1 km NW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
Heraklion, Crete (23.3 km NW of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s
Heraklion, Crete (22.2 km NW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 5-10 s
Kastelli Pediados, crete greece (5.9 km SSE of epicenter) [Map] / Light shaking (MMI IV)
Agios Nikolaos, Lasithi, Crete (38.6 km E of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Anissaras (17.3 km NNE of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s
Hersonissos (16.2 km NNE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Stalida, Heraklion, Crète (16.4 km NE of epicenter) [Map] / Moderate shaking (MMI V) / complex motion difficult to describe / 5-10 s : First vibrating, followed of two wave-like motions  
Hersonissons (15.1 km NNE of epicenter) [Map] / Very weak shaking (MMI II) : sitting on sofa, feel shivering under me  
Anissaras Serita (17.6 km NNE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : Felt outdoors sitting by pool  
Analipsi / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Hotel Akasha Hersonissos / Weak shaking (MMI III) / 1-2 s
Hersonissos / Weak shaking (MMI III) / rattling, vibrating / 10-15 s : Was a little stronger and longer than the one two minutes before.  
Malia / Weak shaking (MMI III) / single lateral shake / 1-2 s
Lytton beach / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Ikaros beach resort / Light shaking (MMI IV) / single vertical bump / 1-2 s
Anissaras / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Anissaras / Weak shaking (MMI III) / 2-5 s
Malia / Weak shaking (MMI III) / single lateral shake / 1-2 s
Sisi / Very weak shaking (MMI II) / single vertical bump / 1-2 s : Was lyingnon a bed and felt slight shaking mocemeny  
Latsida / Weak shaking (MMI III) / rattling, vibrating / very short
Show more
Show more
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.