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Minor mag. 1.5 earthquake - Greece: 1 Km ESE From Efpalion on Saturday, Apr 1, 2023 at 4:14 am (GMT +3) -

Minor magnitude 1.5 earthquake at 14 km depth

1 Apr 01:16 UTC: First to report: RaspberryShake after 2 minutes.
1 Apr 01:20: Magnitude recalculated from 1.0 to 1.4.
1 Apr 04:32: Magnitude recalculated from 1.4 to 1.5. Hypocenter depth recalculated from 5.0 to 14.1 km (from 3.1 to 8.8 mi). Epicenter location corrected by 2 km (1.2 mi) towards NW.
1 Apr 04:32: Now using data updates from NOA

Earthquake details

Date & time	Apr 1, 2023 01:14:10 UTC -
Local time at epicenter	Saturday, Apr 1, 2023 at 4:14 am (GMT +3)
Status	Confirmed
Magnitude	1.5
Depth	14.1 km
Epicenter latitude / longitude	38.4142°N / 21.9374°E (Greece)
Antipode	38.414°S / 158.063°W
Shaking intensity	Not felt
Felt
Primary data source	NOA (National Observatory of Athens)
Nearest volcano	Sousaki (114 km / 71 mi)
Nearby towns and cities	4 km (2 mi) E of Kastraki (Phocis) (pop: 912) \| Show on map \| Quakes nearby 10 km (6 mi) ENE of Nafpaktos (pop: 13,400) \| Show on map \| Quakes nearby 22 km (14 mi) NW of Aigio (pop: 20,400) \| Show on map \| Quakes nearby 26 km (16 mi) NE of Patras (pop: 168,000) \| Show on map \| Quakes nearby 40 km (25 mi) WSW of Amfissa (pop: 6,850) \| Show on map \| Quakes nearby 44 km (28 mi) E of Missolonghi (Μεσολόγγι) (pop: 12,800) \| Show on map \| Quakes nearby 52 km (32 mi) ESE of Agrinio (pop: 46,900) \| Show on map \| Quakes nearby 164 km (102 mi) WNW of Athens (pop: 664,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1.1 x 10⁷ joules (3.12 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
1.5	14 km	Greece: 1 Km ESE From Efpalion	NOA
1.5	14 km	Greece	RaspberryShake

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At magnitude 1.5, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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