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Séisme faible mag. 4.4 - Philippine Sea, 47 km au sud de Toyohashi, Aichi, Japon, vendredi, 25 nov. 2022 16:04 (GMT +9) -

Séisme faible magnitude 4.4 à 321 km de profondeur

25 Nov 07:12 UTC: Premier à signaler: NIED après 8 minutes.
25 Nov 07:32: Maintenant en utilisant une nouvelle source de données: USGS

Update Fri, 25 Nov 2022, 07:18

Moderate yet deep earthquake of magnitude 5.2 just reported 36 km southwest of Hamamatsu, Japan

5.2 quake 25 Nov 4:04 pm (GMT +9)

An earthquake of magnitude 5.2 occurred only 14 minutes ago 36 km southwest of Hamamatsu, Japan, Japan's National Research Institute for Earth Science and Disaster Resilience (NIED) reported.
The quake hit at a great depth of 339.2 km beneath the epicenter near Hamamatsu, Hamamatsu-shi, Prefectura de Shizuoka, Japan, in the afternoon on Friday, November 25th, 2022, at 4:04 pm local time. 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 citizen-seismograph network of RaspberryShake, which listed it as a magnitude 4.7 earthquake. Other agencies reporting the same quake include the European-Mediterranean Seismological Centre (EMSC) at magnitude 4.7, the German Research Centre for Geosciences (GFZ) at magnitude 4.7, and France's Réseau National de Surveillance Sismique (RéNaSS) at magnitude 5.3.
Generally quakes of this magnitude are recorded by more than one agency and the results can vary, with subsequent reports that come in after the first one often showing more accuracy.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Hamamatsu (pop. 605,100) located 36 km from the epicenter, Iwata (pop. 88,500) 41 km away, Tahara (pop. 38,200) 41 km away, Toyohashi-shi (pop. 378,400) 45 km away, Hamakita (pop. 86,500) 48 km away, Toyokawa (pop. 120,500) 49 km away, Fukuroi (pop. 63,000) 49 km away, and Shizuoka (pop. 701,600) 98 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'heure	25 Nov 2022 07:04:30 UTC -
Heure locale à l'épicentre	vendredi, 25 nov. 2022 16:04 (GMT +9)
Statut	Confirmé
Magnitude	4.4
Profondeur	320.5 km
Épicentre latitude / longitude	34.349°N / 137.4444°E (Philippine Sea, Japon)
Antipode sismique	34.349°S / 42.556°W
Intensité d'agitation	Pas ressenti
Senti
Source de données principale	USGS (United States Geological Survey)
Volcan le plus près	Kozushima (158 km / 98 mi)
Lieux à proximité	39 km SSE de Tahara (pop: 38,200) \| Carte \| Séismes à proximité 47 km S de Toyohashi (pop: 378,400) \| Carte \| Séismes à proximité 47 km SO de Hamamatsu (pop: 605,100) \| Carte \| Séismes à proximité 52 km S de Toyokawa (pop: 120,500) \| Carte \| Séismes à proximité 54 km SO de Iwata (pop: 88,500) \| Carte \| Séismes à proximité 59 km SSO de Hamakita (pop: 86,500) \| Carte \| Séismes à proximité 105 km SSE de Nagoya (pop: 2,191,300) \| Carte \| Séismes à proximité 253 km SO de Tokyo (pop: 8,336,600) \| Carte \| Séismes à proximité 162 km O de Shikine-jima Island (pop: 600) \| Carte \| Séismes à proximité
Météo à l'épicentre au moment du séisme	Few Clouds 18.9°C (66 F), humidity: 60%, wind: 6 m/s (12 kts) from ESE
Énergie sismique estimée libérée	2.5 x 10¹¹ joules (69.8 MWh, équivalent à 60 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
4.4	321 km	38 Km SSE of Tahara, Japan	USGS
5.0	308 km	Japan: Near Ōsaka	RENASS
4.5	319 km	Near South Coast of Honshu, Japan	GFZ
4.5	321 km	NEAR S. COAST OF HONSHU, JAPAN	EMSC
4.4	321 km	Near S. Coast of Honshu, Japan	RaspberryShake
5.2	339 km	Japan: ENSYUNADA	NIED
4.4	10 km	Near S. Coast Of Honshu, Japan	IRIS

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

Seismograms

Seismic station: Shizuoka Sagara (JSG/JP network) | Distance from quake: 77 km / 48 mi | Show on map | Station Info

Seismic station Shizuoka Sagara: 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: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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

Seismic station Shizuoka Sagara: 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: Gifu Kurokawa (JGF/JP network) | Distance from quake: 140 km / 87 mi | Show on map | Station Info

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

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

Seismic station Gifu Kurokawa: 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: Matsushiro, Japan (MAJO/IU network) | Distance from quake: 254 km / 158 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: 493 km / 307 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: Chichijima Island (JCJ/JP network) | Distance from quake: 925 km / 575 mi | Show on map | Station Info

Seismic station Chichijima Island: 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: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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

Seismic station Chichijima Island: 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 (1)

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

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Oiso, Kanagawa / not felt (reported through our app)

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