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Minor mag. 1.8 earthquake - 18 km west of Poitiers, Vienne, Nouvelle-Aquitaine, France, on Monday, Nov 28, 2022 at 9:26 pm (GMT +1) -

Minor magnitude 1.8 earthquake at 0 km depth

28 Nov 20:35 UTC: First to report: RENASS after 9 minutes.
29 Nov 08:49: Magnitude recalculated from 2.3 to 1.8. Hypocenter depth recalculated from 5.0 to 0.0 km (from 3.1 to 0 mi). Epicenter location corrected by 3.8 km (2.3 mi) towards SSE.

Earthquake details

Date & time	Nov 28, 2022 20:26:26 UTC -
Local time at epicenter	Monday, Nov 28, 2022 at 9:26 pm (GMT +1)
Status	Confirmed
Magnitude	1.8
Depth	0.0 km
Epicenter latitude / longitude	46.62179°N / 0.11276°E (Vienne, Nouvelle-Aquitaine, France)
Antipode	46.622°S / 179.887°W
Shaking intensity	Very weak shaking
Felt	4 reports
Primary data source	RENASS (Réseau National de Surveillance Sismique (RéNaSS))
Nearest volcano	Chaîne des Puys (239 km / 149 mi)
Nearby towns and cities	2 km (1 mi) SSW of Chire-en-Montreuil (pop: 849) \| Show on map \| Quakes nearby 9 km (6 mi) NW of Beruges (pop: 1,180) \| Show on map \| Quakes nearby 12 km (7 mi) ENE of Vasles (pop: 1,620) \| Show on map \| Quakes nearby 12 km (8 mi) SW of Neuville-de-Poitou (pop: 4,340) \| Show on map \| Quakes nearby 15 km (9 mi) SE of Thenezay (pop: 1,470) \| Show on map \| Quakes nearby 18 km (11 mi) WNW of Poitiers (pop: 86,000) \| Show on map \| Quakes nearby 205 km (128 mi) NNE of Bordeaux (pop: 231,800) \| Show on map \| Quakes nearby 299 km (186 mi) SW of Paris (Île-de-France) (pop: 2,138,600) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 5.4°C (42 F), humidity: 52%, wind: 3 m/s (5 kts) from WSW
Estimated seismic energy released	3.2 x 10⁷ joules (8.78 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
1.8	0 km	France: Near Poitiers	RENASS

Most recent quakes Top 20 past 24 hrs Quakes in France

Seismograms

Seismic station: Tunnel de Badole - Saint Sauveur en Rue, France (SSB/G network) | Distance from quake: 373 km / 232 mi | Show on map | Station Info

Seismic station Tunnel de Badole - Saint Sauveur en Rue, France: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake (7)

At magnitude 1.8, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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

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Translate

LA FRUGERIE (2.1 km WNW of epicenter) [Map] / Very weak shaking (MMI II) / very short : Bruit sourd un peu comme une explosion, mais pas de tremblement ressenti

Ayron 86190 (5.1 km NW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / very short : J ai cru à un accident sur la nationale

Ayron, Vienne, Nouvelle-Aquitaine (2.5 km N of epicenter) [Map] / not felt

Vouillé 86190 / not felt

Chiré en Montreuil / Light shaking (MMI IV) / vibration and rolling / 1-2 s : Grondement sourd

Chiré en Montreuil / Weak shaking (MMI III) / 2-5 s

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