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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 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 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 & timeNov 28, 2022 20:26:26 UTC -
Local time at epicenterMonday, Nov 28, 2022 at 9:26 pm (GMT +1)
Depth0.0 km
Epicenter latitude / longitude46.62179°N / 0.11276°E (Vienne, Nouvelle-Aquitaine, France)
Antipode46.622°S / 179.887°W
Shaking intensityVery weak shaking
Felt4 reports
Primary data sourceRENASS (Réseau National de Surveillance Sismique (RéNaSS))
Nearest volcanoChaîne des Puys (239 km / 149 mi)
Nearby towns and cities2 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 quakeClear Sky 5.4°C (42 F), humidity: 52%, wind: 3 m/s (5 kts) from WSW
Estimated seismic energy released3.2 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.
1.80 kmFrance: Near PoitiersRENASS


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
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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.
Leave a comment if you find a particular report interesting or want to add to it.
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Send your own user report!
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
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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