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Minor mag. 0.8 earthquake - Greece: 6 Km SSE From Marathias Nafpaktias on Thursday, Mar 23, 2023 at 6:37 am (GMT +2) -

Minor magnitude 0.8 earthquake at 9 km depth

23 Mar 04:44 UTC: First to report: RaspberryShake after 6 minutes.
23 Mar 05:45: Now using data updates from NOA
23 Mar 05:50: Magnitude recalculated from 0.6 to 0.8. Hypocenter depth recalculated from 5.0 to 8.7 km (from 3.1 to 5.4 mi). Epicenter location corrected by 4.3 km (2.7 mi) towards ESE.

Earthquake details

Date & time	Mar 23, 2023 04:37:47 UTC -
Local time at epicenter	Thursday, Mar 23, 2023 at 6:37 am (GMT +2)
Status	Confirmed
Magnitude	0.8
Depth	8.7 km
Epicenter latitude / longitude	38.34°N / 22.0271°E (Greece)
Antipode	38.34°S / 157.973°W
Shaking intensity	Not felt
Felt
Primary data source	NOA (National Observatory of Athens)
Nearest volcano	Sousaki (103 km / 64 mi)
Nearby towns and cities	5 km (3 mi) NNE of Kamarai (pop: 1,200) \| Show on map \| Quakes nearby 11 km (7 mi) NNW of Aigio (pop: 20,400) \| Show on map \| Quakes nearby 18 km (11 mi) ESE of Nafpaktos (pop: 13,400) \| Show on map \| Quakes nearby 28 km (17 mi) ENE of Patras (pop: 168,000) \| Show on map \| Quakes nearby 37 km (23 mi) SW of Amfissa (pop: 6,850) \| Show on map \| Quakes nearby 47 km (29 mi) ENE of Kato Achaḯa (Dimi) (pop: 5,750) \| Show on map \| Quakes nearby 52 km (32 mi) E of Missolonghi (Μεσολόγγι) (pop: 12,800) \| Show on map \| Quakes nearby 154 km (96 mi) WNW of Athens (pop: 664,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1 x 10⁶ joules (0.278 kilowatt hours) \| 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
0.8	8.7 km	Greece: 6 Km SSE From Marathias Nafpaktias	NOA
0.8	8.7 km	Greece	RaspberryShake

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At magnitude 0.8, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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