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Séisme mineur mag. 2.8 - Préfecture dIbaraki, 17 km au nord de Noda-Shi, Chiba, Japon, dimanche, 2 oct. 2022 17:30 (GMT +9) -

Séisme mineur magnitude 2.8 à 46 km de profondeur

2 Oct 08:37 UTC: Premier à signaler: NIED après 6 minutes.

Détails du séisme

Date et l'heure	2 Oct 2022 08:30:57 UTC -
Heure locale à l'épicentre	dimanche, 2 oct. 2022 17:30 (GMT +9)
Statut	Confirmé
Magnitude	2.8
Profondeur	46.4 km
Épicentre latitude / longitude	36.101°N / 139.887°E (Bandō-shi, Préfecture dIbaraki, Japon)
Antipode sismique	36.101°S / 40.113°W
Intensité d'agitation	Pas ressenti
Senti
Source de données principale	NIED (National Research Institute for Earth Science and Disaster Resilience)
Volcan le plus près	Akagi (80 km / 50 mi)
Lieux à proximité	6 km NNO de Iwai (pop: 42,500) \| Carte \| Séismes à proximité 8 km E de Sakai (pop: 26,900) \| Carte \| Séismes à proximité 13 km NO de Mitsukaidō (pop: 41,100) \| Carte \| Séismes à proximité 18 km ESE de Koga (pop: 58,000) \| Carte \| Séismes à proximité 22 km OSO de Tsukuba (pop: 175,600) \| Carte \| Séismes à proximité 30 km NE de Saitama (pop: 1,193,400) \| Carte \| Séismes à proximité 49 km NNE de Tokyo (pop: 8,336,600) \| Carte \| Séismes à proximité 58 km OSO de Mito (pop: 246,500) \| Carte \| Séismes à proximité
Météo à l'épicentre au moment du séisme	Overcast Clouds 28°C (82 F), humidity: 49%, wind: 4 m/s (8 kts) from ESE
Énergie sismique estimée libérée	1 x 10⁹ joules (278 kWh, équivalent à 0.239 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.

Mag.	Profondeur	Lieu	Source
2.8	46 km	Japan: SW IBARAKI PREF	NIED

Séismes les plus récents Top 20 dernières 24 heures Séismes en: Japon

Seismograms

Seismic station: Ibaraki Yasato (JYT/JP network) | Distance from quake: 31 km / 19 mi | Show on map | Station Info

Seismic station Ibaraki Yasato: 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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Seismic station Ibaraki Yasato: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Ibaraki Yasato: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Matsushiro, Japan (MAJO/IU network) | Distance from quake: 159 km / 99 mi | Show on map | Station Info

Seismic station Matsushiro, Japan: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Matsushiro, Japan: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Matsushiro, Japan: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Miyagi Marumori (JMM/JP network) | Distance from quake: 212 km / 132 mi | Show on map | Station Info

Seismic station Miyagi Marumori: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Miyagi Marumori: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Miyagi Marumori: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Inuyama, Japan (INU/G network) | Distance from quake: 271 km / 168 mi | Show on map | Station Info

Seismic station Inuyama, Japan: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Inuyama, Japan: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Inuyama, Japan: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Kyoto Wachi (JWT/JP network) | Distance from quake: 415 km / 258 mi | Show on map | Station Info

Seismic station Kyoto Wachi: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Kyoto Wachi: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Kyoto Wachi: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Témoignages pour ce séisme

At magnitude 2.8, this quake might have been felt very close to the epicenter and under calm conditions.

Les rapports des utilisateurs estiment l'intensité perçue des secousses du sol en fonction de l' Échelle MMI (Modified Mercalli Intensity Scale).

There are no user reports for this quake.

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