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Weak mag. 2.9 earthquake - Ionian Sea, 32 km northwest of Amaliada, Ilia Prefecture, Western Greece, on Thursday, July 8, 2021 at 00:42 GMT

Weak magnitude 2.9 earthquake at 23 km depth

8 Jul 00:44 UTC: First to report: VolcanoDiscovery after 3 minutes.
8 Jul 00:47: Now using data updates from NOA
8 Jul 00:58: Magnitude recalculated from 2.8 to 2.9. Hypocenter depth recalculated from 10.0 to 23.1 km (from 6.2 to 14.4 mi). Epicenter location corrected by 13 km (8.2 mi) towards S.

Earthquake details

Date & time	Jul 8, 2021 00:42:00 UTC
Local time at epicenter
Status	Confirmed
Magnitude	2.9
Depth	23.1 km
Epicenter latitude / longitude	37.9335°N / 21.0237°E (Ionian Sea, Greece)
Antipode	37.934°S / 158.976°W
Shaking intensity	Weak shaking
Felt	6 reports
Primary data source	NOA (National Observatory of Athens)
Nearest volcano	Sousaki (180 km / 112 mi)
Nearby towns and cities	11 km (7 mi) W of Kyllini (pop: 1,080) \| Show on map \| Quakes nearby 12 km (8 mi) NW of Arkoudi (pop: 1,310) \| Show on map \| Quakes nearby 20 km (13 mi) NNE of Zakynthos (pop: 11,500) \| Show on map \| Quakes nearby 22 km (14 mi) WNW of Gastouni (pop: 8,110) \| Show on map \| Quakes nearby 25 km (15 mi) N of Vasilikos (pop: 285) \| Show on map \| Quakes nearby 26 km (16 mi) ENE of Katastari (pop: 1,380) \| Show on map \| Quakes nearby 32 km (20 mi) NW of Palouki (pop: 143) \| Show on map \| Quakes nearby 33 km (21 mi) SE of Poros (pop: 1,060) \| Show on map \| Quakes nearby 237 km (147 mi) W of Athens (pop: 664,000) \| Show on map \| Quakes nearby 78 km (48 mi) S of Kalamos Island (pop: 496) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1.4 x 10⁹ joules (392 kilowatt hours, equivalent to 0.338 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
2.9	23 km	Greece: 11 Km W From Killini	NOA
2.9	21 km	SOUTHERN GREECE	EMSC

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User reports for this quake (6)

At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.

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

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Zakynthos, Ionian Islands (21.8 km SSW of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s

near Zakynthos, Ionian Islands (24.1 km S of epicenter) [Map] / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s

Tsilivi, Zakynthos (19 km SW of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short : Bed moved/jumped

Zakynthos / Light shaking (MMI IV) / single lateral shake / 1-2 s : The quake woke me up, felt medium strong

Zakynthos / Weak shaking (MMI III) / rattling, vibrating / 2-5 s

Zakynthos / Very weak shaking (MMI II) / horizontal (sideways) swinging / 15-20 s

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