Moderate mag. 4.1 earthquake - Eastern Mediterranean, Greece, on Saturday, Oct 16, 2021 1:25 am (GMT +2) -

This quake was likely an aftershock of the 6.3 quake Eastern Mediterranean, Greece, Oct 12, 2021 11:24 am (GMT +2), which had occurred 4 days earlier.
Moderate mag. 4.1 earthquake - Eastern Mediterranean, Greece, on Saturday, Oct 16, 2021 1:25 am (GMT +2)

Moderate magnitude 4.1 earthquake at 5 km depth

15 Oct 23:30 UTC: First to report: NOA after 4 minutes.
15 Oct 23:34: Magnitude recalculated from 4.3 to 4.1.
... [show all] ...
16 Oct 00:44: Hypocenter depth recalculated from 9.4 to 5.1 km (from 5.8 to 3.2 mi). Epicenter location corrected by 2.2 km (1.4 mi) towards N.
Date & time: Oct 15, 2021 23:25:43 UTC -
Local time at epicenter: Saturday, Oct 16, 2021 1:25 am (GMT +2)
Magnitude: 4.1
Depth: 5.1 km
Epicenter latitude / longitude: 34.9291°N / 26.4322°E (Eastern Mediterranean, Greece)
Antipode: 34.929°S / 153.568°W
Nearest volcano: Santorini (194 km / 121 mi)
Nearby towns and cities:
34 km (21 mi) SSE of Palekastro (pop: 1,090) --> See nearby quakes!
43 km (27 mi) SE of Sitia (pop: 8,710) --> See nearby quakes!
44 km (27 mi) ESE of Makrigialos (pop: 760) --> See nearby quakes!
54 km (33 mi) E of Ferma (pop: 532) --> See nearby quakes!
57 km (35 mi) ESE of Kavousi (pop: 559) --> See nearby quakes!
64 km (39 mi) E of Ierapetra (pop: 12,400) --> See nearby quakes!
69 km (43 mi) SW of Agia Marina (Dodecanese) (pop: 444) --> See nearby quakes!
71 km (44 mi) ESE of Agios Nikolaos (pop: 11,400) --> See nearby quakes!
77 km (48 mi) ESE of Vrouchas (pop: 135) --> See nearby quakes!
417 km (259 mi) SE of Athens (pop: 664,000) --> See nearby quakes!
126 km (78 mi) ESE of Crete Island (pop: 623,100) --> See nearby quakes!
171 km (106 mi) SSE of Anaphi Island (pop: 271) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 20.6°C (69 F), humidity: 72%, wind: 10 m/s (19 kts) from WSW
Primary data source: NOA (National Observatory of Athens)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) | about seismic energy
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
4.15.1 kmGreece: 28 Km SE From ZakrosNOA
4.410 kmCrete, GreeceGFZ
4.115 kmCRETE, GREECEEMSC
4.19.9 kmGreece: GIRIT ADASI (MEDITERRANEAN SEA)KOERI-RETMC
4.112 km35 Km SSE of Palekastro, GreeceUSGS

User reports for this quake (19)

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
Kos (214.1 km NNE of epicenter) [Map] / not felt
Pitsidia (149.7 km W of epicenter) [Map] / not felt
Airport Heraklion / Very weak shaking (MMI II) / horizontal (sideways) swinging / very short : Wie ein leichter Schwindel im Kopf  
Karteros / not felt
Stalida / not felt
Athens / not felt
24024 Agios Dimitris, Mani / not felt
Güzelcamli / not felt
Sitia (42.9 km NW of epicenter) [Map] / Weak shaking (MMI III) / very short
Rhodes old town / not felt
Sitia / Light shaking (MMI IV) / vibration and rolling / 2-5 s : Tremblement faible et de très courte durée ici à Sitia  
Agathia (33.4 km NNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Sitia (42.9 km NW of epicenter) [Map] / Weak shaking (MMI III) / very short
Xerocampos / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
plakias kreta / Weak shaking (MMI III) / rattling, vibrating
Xerokampos / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Sitia, greece / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Was sleeping in the 3rd floor. Woke up because my bed was Swinging  
Malia / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s
SITIA 72300 / Very weak shaking (MMI II) / single lateral shake / 5-10 s (reported through our app)
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.