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Mag. 2.3 quake - 13 km east of Neos Marmaras, Chalkidiki, Central Macedonia, Greece, on Friday, May 7, 2021 09:10 pm (Athens time)

Weak magnitude 2.3 earthquake at 13 km depth

7 May 18:17 UTC: First to report: NOA after 6 minutes.
7 May 18:45: Magnitude recalculated from 2.1 to 2.3. Hypocenter depth recalculated from 10.0 to 12.9 km (from 6.2 to 8 mi). Epicenter location corrected by 19 km (12 mi) towards NNW.

Earthquake details

Date & time	May 7, 2021 18:10:56 UTC
Local time at epicenter	Friday, May 7, 2021 09:10 pm (Europe/Athens GMT +3)
Status	Confirmed
Magnitude	2.3
Depth	12.9 km
Epicenter latitude / longitude	40.1317°N / 23.9296°E Chalkidiki, Central Macedonia, Greece
Antipode	40.1317°S / 156.07°W
Shaking intensity	Very weak shaking
Felt	2 reports
Primary data source	NOA (National Observatory of Athens)
Nearest volcano	Sousaki (242 km / 150 mi)
Weather at epicenter at time of quake
Estimated seismic energy released	1.8 x 10⁸ joules (49.4 kilowatt hours) \| about seismic energy

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Nearby places

Distance	Place	Max. shaking intensity(*)	Region	Country
6 km (4 mi) SE of epicenter	Sarti (pop: 1,160)	II Very weak	Chalkidiki, Central Macedonia	Greece
13 km (8 mi) WSW of epicenter	Neos Marmaras (pop: 3,160)	II Very weak	Chalkidiki, Central Macedonia	Greece
23 km (14 mi) N of epicenter	Ouranoupoli (pop: 1,050)	I Not felt	Chalkidiki, Central Macedonia	Greece
24 km (15 mi) WNW of epicenter	Agios Nikolaos (pop: 1,710)	I Not felt	Chalkidiki, Central Macedonia	Greece
30 km (19 mi) N of epicenter	Ierissos (pop: 3,270)	I Not felt	Chalkidiki, Central Macedonia	Greece
31 km (20 mi) WSW of epicenter	Pefkochori (pop: 1,930)	I Not felt	Chalkidiki, Central Macedonia	Greece
41 km (25 mi) NNW of epicenter	Megali Panagia (pop: 2,590)	I Not felt	Chalkidiki, Central Macedonia	Greece
50 km (31 mi) WNW of epicenter	Polygyros (pop: 10,000)	I Not felt	Chalkidiki, Central Macedonia	Greece
102 km (63 mi) NW of epicenter	Thessaloniki (pop: 354,300)	Not felt	Central Macedonia	Greece
240 km (149 mi) S of epicenter	Athens (pop: 664,000)	Not felt	Nomarchia Athinas, Attica	Greece

Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

Compare Quake Data

Data for the same earthquake as reported by different agencies

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	Depth	Time GMT	Epicenter	Agency
2.3	13 km (8 mi)	2021-05-7 18:10:56	33 Km SW From Athos, Greece	NOA (National Observatory of Athens)

Most recent quakes Top 20 past 24 hrs Quakes in Greece

User-reports for this quake (2)

At magnitude 2.3, such a quake wouldn't normally be felt by people except under very favorable conditions.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

Translate

Sykia / Very weak shaking (MMI II) / 1-2 s

neos marmaras (12.9 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s

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