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Tremblement de terre fort magnitude 5.0 - Océan Pacifique Nord, 89 km à l'est de Mobara, Chiba, Japon, jeudi, 22 sept. 2022 07:24 (GMT +9) -

Tremblement de terre fort magnitude 5.0 - Océan Pacifique Nord, 89 km à l\'est de Mobara, Chiba, Japon, jeudi, 22 sept. 2022 07:24 (GMT +9) Tremblement de terre fort magnitude 5.0 - Océan Pacifique Nord, 89 km à l\'est de Mobara, Chiba, Japon, jeudi, 22 sept. 2022 07:24 (GMT +9)

Tremblement de terre fort magnitude 5.0 à 17 km de profondeur

21 Sep 22:35 UTC: Premier à signaler: GFZ après 10 minutes.
21 Sep 22:41: Maintenant en utilisant une nouvelle source de données: USGS
Update Wed, 21 Sep 2022, 22:45

Significant 5.0 quake hits near Mobara, Mobara Shi, Chiba, Japan

5.0 quake 22 Sep 7:24 am (GMT +9)
5.0 quake 22 Sep 7:24 am (GMT +9)
An earthquake of magnitude 5.0 occurred in the morning on Thursday, September 22nd, 2022, at 7:24 am local time near Mobara, Mobara Shi, Chiba, Japan, as reported by the United States Geological Survey.
According to preliminary data, the quake was located at a shallow depth of 17.4 km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the German Research Centre for Geosciences (GFZ), which listed it as a magnitude 5.3 earthquake. Other agencies reporting the same quake include the citizen-seismograph network of RaspberryShake at magnitude 5.0, the European-Mediterranean Seismological Centre (EMSC) at magnitude 5.0, and France's Réseau National de Surveillance Sismique (RéNaSS) at magnitude 5.2.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Hasaki (pop. 39,200) located 69 km from the epicenter, Asahi (pop. 41,700) 78 km away, Yōkaichiba (pop. 32,700) 83 km away, Tōgane (pop. 66,300) 88 km away, Mobara (pop. 97,300) 89 km away, Ōami (pop. 53,200) 91 km away, Yachimata (pop. 83,300) 97 km away, and Kashima-shi (pop. 65,800) 100 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Détails du séisme

Date et l'heure21 Sep 2022 22:24:41 UTC -
Heure locale à l'épicentrejeudi, 22 sept. 2022 07:24 (GMT +9)
Profondeur17.4 km
Épicentre latitude / longitude35.2102°N / 141.2426°E (Océan Pacifique Nord, Japon)
Antipode sismique35.21°S / 38.757°W
Intensité d'agitationSecousses légères
Senti6 rapports
Source de données principaleUSGS (United States Geological Survey)
Volcan le plus prèsOshima (177 km / 110 mi)
Lieux à proximité69 km SSE de Hasaki (pop: 39,200) | Carte | Séismes à proximité
78 km SE de Asahi (pop: 41,700) | Carte | Séismes à proximité
88 km ESE de Tōgane (pop: 66,300) | Carte | Séismes à proximité
89 km ESE de Mobara (pop: 97,300) | Carte | Séismes à proximité
91 km ESE de Ōami (pop: 53,200) | Carte | Séismes à proximité
97 km ESE de Yachimata (pop: 83,300) | Carte | Séismes à proximité
147 km E de Yokohama (pop: 3,574,400) | Carte | Séismes à proximité
150 km ESE de Tokyo (pop: 8,336,600) | Carte | Séismes à proximité
210 km ENE de Shikine-jima Island (pop: 600) | Carte | Séismes à proximité
269 km NNE de Hachijojima Island (pop: 7,520) | Carte | Séismes à proximité
Météo à l'épicentre au moment du séismeOvercast Clouds 22.6°C (73 F), humidity: 69%, wind: 10 m/s (19 kts) from NE
Énergie sismique estimée libérée2 x 1012 joules (554 MWh, équivalent à 477 tonnes de TNT) | about seismic energy
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Données pour le même séisme indiquées par différentes agences

Info : Plus les agences signalent le même séisme et publient des données similaires, plus vous pouvez avoir confiance dans les données. Il faut normalement jusqu'à quelques heures pour que les paramètres sismiques soient calculés avec une précision quasi optimale.
5.017 kmNear East Coast of Honshu, JapanUSGS
5.210 kmJapan: Near TokyoRENASS
5.017 kmNear East Coast of Honshu, JapanRaspberryShake
5.310 km68 Km SSE of Hasaki, JapanGFZ
5.02.4 kmNear East Coast of Honshu, JapanGeoAu


Seismic station: Matsushiro, Japan (MAJO/IU network) | Distance from quake: 311 km / 194 mi | Show on map | Station Info
Seismic station Matsushiro, Japan: 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
Montrer plus

Témoignages pour ce séisme (6)

Les rapports des utilisateurs estiment l'intensité perçue des secousses du sol en fonction de l' Échelle MMI (Modified Mercalli Intensity Scale).
Kamakura (154.5 km W of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s
Kamakura (154.5 km W of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s
Chiyoda-ku, Tokyo (132.9 km WNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 30-60 s
Kamakura (154.5 km W of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s
Narita / Light shaking (MMI IV) / horizontal (sideways) swinging
Narita / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s


[Plus d'infos]

Répliques enregistrées, les plus récentes en premier (3 séismes)

Date et l'heureMag
25 sept.. 2022 15:54
il y a 11 semaines

17 km
Océan Pacifique Nord, 65 km SE de Hasaki, Chōshi-shi, Chiba, JaponPlus
22 sept.. 2022 00:20
il y a 11 semaines

16 km
Océan Pacifique Nord, 61 km SE de Hasaki, Chōshi-shi, Chiba, JaponPlus
21 sept.. 2022 22:36
il y a 11 semaines

25 km
Océan Pacifique Nord, 92 km E de Mobara, Chiba, JaponPlus

Earlier earthquakes in the same area

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