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Moderate mag. 5.4 earthquake - Ionian Sea, 96 km northwest of Chania, Crete, Greece, on Saturday, Dec 18, 2021 at 7:16 am (GMT +2) -

Moderate mag. 5.4 earthquake - Ionian Sea, 96 km northwest of Chania, Crete, Greece, on Saturday, Dec 18, 2021 at 7:16 am (GMT +2) Moderate mag. 5.4 earthquake - Ionian Sea, 96 km northwest of Chania, Crete, Greece, on Saturday, Dec 18, 2021 at 7:16 am (GMT +2)

Moderate magnitude 5.4 earthquake at 58 km depth

18 Dec 05:19 UTC: First to report: EMSC after 2 minutes.
18 Dec 05:20: Hypocenter depth recalculated from 38.0 to 43.0 km (from 24 to 27 mi). Epicenter location corrected by 2.9 km (1.8 mi) towards NE.
... [show all] ...
18 Dec 06:14: Magnitude recalculated from 5.3 to 5.4.
Update Sat, 18 Dec 2021, 05:27
Significant magnitude 5.3 earthquake 96 km northwest of Chania, Greece
5.3 quake 18 Dec 7:16 am (GMT +2)
5.3 quake 18 Dec 7:16 am (GMT +2)
A moderately shallow magnitude 5.3 earthquake was reported in the morning near Chania, Crete, Greece.
According to the National Observatory of Athens (NOA), the quake hit on Saturday, December 18th, 2021, at 7:16 am local time at a moderately shallow depth of 39 km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 5.3 earthquake as well. A third agency, the German Research Centre for Geosciences (GFZ), reported the same quake at magnitude 4.8.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Kythira (pop. 280) located 22 km from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Kissamos (pop. 4,200) located 74 km from the epicenter, Chania (pop. 53,900) 96 km away, Gythion (pop. 4,300) 97 km away, and Mourniés (pop. 5,300) 97 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake data

Date & time: Dec 18, 2021 05:16:39 UTC -
Local time at epicenter: Saturday, Dec 18, 2021 at 7:16 am (GMT +2)
Magnitude: 5.4
Depth: 58.2 km
Epicenter latitude / longitude: 36.0777°N / 23.2201°E (Ionian Sea, Greece)
Antipode: 36.078°S / 156.78°W
Nearest volcano: Milos (131 km / 81 mi)
Nearby towns and cities:
22 km (14 mi) ESE of Kythira (pop: 281) --> See nearby quakes!
76 km (47 mi) NNW of Kissamos (pop: 4,240) --> See nearby quakes!
88 km (54 mi) SSE of Molaoi (pop: 3,020) --> See nearby quakes!
96 km (59 mi) SE of Gythio (pop: 4,280) --> See nearby quakes!
96 km (60 mi) NW of Chania (pop: 53,900) --> See nearby quakes!
139 km (86 mi) NW of Rethymno (pop: 32,500) --> See nearby quakes!
146 km (91 mi) SE of Kalamata (pop: 54,100) --> See nearby quakes!
176 km (109 mi) SSE of Tripoli (pop: 26,600) --> See nearby quakes!
193 km (120 mi) WNW of Heraklion (pop: 137,200) --> See nearby quakes!
217 km (135 mi) SSW of Athens (pop: 664,000) --> See nearby quakes!
51 km (32 mi) SSE of Elafonisos Island (pop: 1,040) --> See nearby quakes!
192 km (119 mi) WNW of Kreta Island (pop: 623,100) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds 11.2°C (52 F), humidity: 79%, wind: 8 m/s (16 kts) from NNE
Primary data source: NOA (National Observatory of Athens)
Estimated released energy: 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!) | about seismic energy
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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
5.458 kmGreece: 23 Km NNW From AndikithiraNOA
4.951 kmCrete, GreeceGFZ
5.162 kmCrete, GreeceRaspberryShake
5.160 kmSOUTHERN GREECEEMSC
5.2102 kmGreece: Near AthensRENASS
5.155 kmSouthern Greece [Sea: Greece]INGV
5.018 kmGreece: YUNANISTANKOERI-RETMC
5.162 km24 Km ESE of Kýthira, GreeceUSGS
5.054 kmSouthern GreeceGeoAu
5.160 kmGreece: Kithira / SüdgriechenlandZAMG

User reports for this quake (44)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Heraklion, Crete (191.6 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : 0715 on Dec 17, 2021. Reading the news in bed . Staying at a hotel in Iraklion Crete. Heard a creaking of the walls. Then felt a number of mild vibrations 3-5x. Perhaps 5-10 seconds in total. | 6 users found this interesting.  
Chania (96.2 km SE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 15-20 s : Smooth shaking, hanging objects moving, less than 1 min. | 5 users found this interesting.  
Paleochora / Very weak shaking (MMI II) / vibration and rolling / 2-5 s : I was half asleep in bed and at first I thought it was my partner turning over, but when we woke a few minutes later, I mentioned this to her and she checked and discovered there had indeed been an earthquake. | 3 users found this interesting.  
Attica Greece (210.2 km N of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 5-10 s : Sitting on sofa. Felt very weak swaying. | 3 users found this interesting.  
Chania, Crete (94.8 km SE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s : It feel enough strong | 3 users found this interesting.  
Floridia, Sicily / Very weak shaking (MMI II) / single lateral shake / 1-2 s : Felt it here at 6:19 (3 seconds later) | 3 users found this interesting.  
Chania Crete (97.1 km SE of epicenter) [Map] / Light shaking (MMI IV) / 15-20 s : Was in bed,the whole bed shook for about 20 seconds.It felt like a strong vibration. | 2 users found this interesting.  
Chania, Crete (96.5 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 10-15 s : In bed felt shaking for 15 seconds or more | 2 users found this interesting.  
crete greece (97.1 km SE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s : House shook | 2 users found this interesting.  
Heraklion, Crete (191.6 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : 0715 on Dec 17, 2021. Reading the news in bed . Staying at a hotel in Iraklion Crete. Heard a creaking of the walls. Then felt a number of mild vibrations 3-5x. Perhaps 5-10 seconds in total.  
Heraklion, Crete (191.6 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : 0715 on Dec 17, 2021. Reading the news in bed . Staying at a hotel in Iraklion Crete. Heard a creaking of the walls. Then felt a number of mild vibrations 3-5x. Perhaps 5-10 seconds in total.  
Heraklion, Crete (191.6 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : 0715 on Dec 17, 2021. Reading the news in bed . Staying at a hotel in Iraklion Crete. Heard a creaking of the walls. Then felt a number of mild vibrations 3-5x. Perhaps 5-10 seconds in total.  
Heraklion, Crete (191.6 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : 0715 on Dec 17, 2021. Reading the news in bed . Staying at a hotel in Iraklion Crete. Heard a creaking of the walls. Then felt a number of mild vibrations 3-5x. Perhaps 5-10 seconds in total.  
Heraklion, Crete (191.6 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : 0715 on Dec 17, 2021. Reading the news in bed . Staying at a hotel in Iraklion Crete. Heard a creaking of the walls. Then felt a number of mild vibrations 3-5x. Perhaps 5-10 seconds in total.  
Chania, Crete (103.7 km SE of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / 5-10 s : It woke us up, the bed was rolling back and forth (not strongly, but very identifiably), the closet doors were rattling.  
Chorafakia p, Crete / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : I felt the couch shake and noticed the ornaments on the Christmas tree swaying. | 2 users found this interesting.  
Ammoudara, Gazi / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s : Lag im Bett und wurde dadurch wach | 2 users found this interesting. (reported through our app)  
Paleochora / Very weak shaking (MMI II) / vibration and rolling / 2-5 s : I was half asleep in bed and at first I thought it was my partner turning over, but when we woke a few minutes later, I mentioned this to her and she checked and discovered there had indeed been an earthquake.  
North Sinai (1123.3 km ESE of epicenter) [Map] / not felt : Nothing (reported through our app)  
Nicosia (926.8 km E of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 2-5 s (reported through our app)
near Agia Marina, Chania, Crete (84.3 km SE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 20-30 s (reported through our app)
Chania Crete (95.6 km SE of epicenter) [Map] / not felt : I was sleeping  
Athens, at home (217.8 km NNE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : Weak shaking of floor and furniture  
Paralia Agii Apostoli (92.8 km SE of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s
Ηράκλειο (191.3 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short (reported through our app)
Χανιά (95.6 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 15-20 s
Gerani (86.3 km SE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Chania (131 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Chania / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Thought it was my wife, snoring, then realised it was a very mild earthquake!  
Chania harbour / not felt : Nothing to comment  
Chania / Weak shaking (MMI III) / 10-15 s
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Aftershocks

[More info]

Recorded aftershocks, latest first (8 quakes)

Date and timeMag
Depth
LocationDetails
Feb 13, 2022 12:14
14 weeks ago
2.6

2.4 km
Aegean Sea, 86 km NW of Chania, Crete, GreeceMore
Feb 5, 2022 22:56
15 weeks ago
2.5

10.5 km
Aegean Sea, 85 km NW of Chania, Crete, GreeceMore
Jan 18, 2022 00:22
18 weeks ago
2.2

2.5 km
Aegean Sea, 232 km S of Athens, Nomarchia Athinas, Attica, GreeceMore
Jan 6, 2022 02:09
20 weeks ago
2.3

5 km
Ionian Sea, 219 km S of Athens, Nomarchia Athinas, Attica, GreeceMore
Jan 5, 2022 22:36
20 weeks ago
2.4

60 km
Ionian Sea, 241 km S of Athens, Nomarchia Athinas, Attica, GreeceMore
Jan 3, 2022 04:32
20 weeks ago
2.1

14 km
Ionian Sea, 217 km S of Athens, Nomarchia Athinas, Attica, GreeceMore
Dec 26, 2021 05:11
21 weeks ago
2.9

53 km
Ionian Sea, 205 km S of Athens, Nomarchia Athinas, Attica, GreeceMore
Dec 18, 2021 08:09
22 weeks ago
2.3

51 km
Ionian Sea, 223 km S of Athens, Nomarchia Athinas, Attica, GreeceMore

Earlier earthquakes in the same area

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