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Light mag. 3.8 earthquake - 49 km southeast of Lamia, Phthiotis, Central Greece, on Wednesday, Aug 11, 2021 at 8:59 am (GMT +3)

Light magnitude 3.8 earthquake at 11 km depth

11 Aug 06:02 UTC: First to report: GFZ after 3 minutes.
11 Aug 06:04: Now using data updates from NOA
... [show all] ...
11 Aug 06:32: Magnitude recalculated from 3.9 to 3.8. Hypocenter depth recalculated from 9.6 to 11.0 km (from 6 to 6.8 mi). Epicenter location corrected by 2.1 km (1.3 mi) towards WNW.

Earthquake details

Date & time	Aug 11, 2021 05:59:31 UTC
Local time at epicenter	Wednesday, Aug 11, 2021 at 8:59 am (GMT +3)
Status	Confirmed
Magnitude	3.8
Depth	11.0 km
Epicenter latitude / longitude	38.7181°N / 22.9527°E (Phthiotis, Central Greece, Greece)
Antipode	38.718°S / 157.047°W
Shaking intensity	Light shaking
Felt	4 reports
Primary data source	NOA (National Observatory of Athens)
Nearest volcano	Sousaki (98 km / 61 mi)
Nearby towns and cities	2 km (1 mi) NE of Goulemi (pop: 131) \| Show on map \| Quakes nearby 9 km (5 mi) W of Livanates (pop: 2,560) \| Show on map \| Quakes nearby 16 km (10 mi) ESE of Kamena Vourla (pop: 2,760) \| Show on map \| Quakes nearby 17 km (11 mi) SSW of Loutra Aidhipsou (Mittelgriechenland) (pop: 2,560) \| Show on map \| Quakes nearby 19 km (12 mi) ENE of Elateia (pop: 2,370) \| Show on map \| Quakes nearby 25 km (16 mi) N of Orchomenos (pop: 5,920) \| Show on map \| Quakes nearby 32 km (20 mi) N of Livadia (Levádhia) (pop: 21,500) \| Show on map \| Quakes nearby 49 km (31 mi) ESE of Lamia (pop: 52,000) \| Show on map \| Quakes nearby 54 km (34 mi) NW of Thebes (pop: 22,000) \| Show on map \| Quakes nearby 106 km (66 mi) NW of Athens (Attica) (pop: 664,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 27.7°C (82 F), humidity: 42%, wind: 1 m/s (3 kts) from NNE
Estimated seismic energy released	3.2 x 10¹⁰ joules (8.78 megawatt hours, equivalent to 7.56 tons of TNT) \| 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.	Depth	Location	Source
3.8	11 km	Greece: 8 Km NNW From Atalanti	NOA
3.8	7 km	GREECE	EMSC
4.4	10 km	Greece	GFZ
4.2	10 km	6 Km S of Loutrá Aidhipsoú, Greece	USGS
3.8	11 km	Greece: Atalandi / Griechenland	ZAMG

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User reports for this quake (5)

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

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longos (6.4 km NNW of epicenter) [Map] / Moderate shaking (MMI V) : Bücher sind aus dem Regal gefallen | One user found this interesting.

Agia Marina, Chania, Crete (364.4 km SSE of epicenter) [Map] / not felt (reported through our app)

Kamena Vourla, Phthiotis, Central Greece (13.7 km WNW of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s : I was in the balcony and felt the earthquake

Livanates, Phthiotis, Central Greece (10.5 km ESE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 2-5 s (reported through our app)

Καμένα Βουρλα / Light shaking (MMI IV) / horizontal (sideways) swinging / 20-30 s

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