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Séisme modéré mag. 4.0 - 16 km au sud de Kumamoto, Préfecture de Kumamoto, Japon, mardi, 8 juin 2021 16:59 (GMT +9)

Séisme modéré magnitude 4.0 à 10 km de profondeur

8 Jun 08:06 UTC: Premier à signaler: NIED après 6 minutes.

Update Tue, 8 Jun 2021, 08:12

Moderate 4.0 quake hits near Kumamoto, Kumamoto Shi, Japan

4.0 quake 8 Jun 4:59 pm (GMT +9)

An earthquake of magnitude 4.0 occurred in the afternoon on Tuesday 8 June 2021 at 4:59 pm local time near Kumamoto, Kumamoto Shi, Japan, as reported by Japan's National Research Institute for Earth Science and Disaster Resilience (NIED).
According to preliminary data, the quake was located at a shallow depth of 10 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.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 3.8.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Matsubase (pop. 26,200) located 2 km from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Uto (pop. 39,200) located 3 km from the epicenter, Kumamoto (pop. 680,400) 16 km away, Honmachi (pop. 104,300) 19 km away, Uekimachi-mōno (pop. 31,700) 27 km away, and Ōzu (pop. 29,800) 30 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Yamaga (pop. 32,300) located 40 km from the epicenter, and Omuta (pop. 132,000) 47 km away.

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Détails du séisme

Date et l'heure	8 Jun 2021 07:59:58 UTC
Heure locale à l'épicentre	mardi, 8 juin 2021 16:59 (GMT +9)
Statut	Confirmé
Magnitude	4
Profondeur	10.0 km
Épicentre latitude / longitude	32.659°N / 130.684°E (Uki Shi, Préfecture de Kumamoto, Japon)
Antipode	32.659°S / 49.316°W
Intensité d'agitation	Secousses légères près de l'épicentre
Senti	0 rapports
Source de données principale	NIED (National Research Institute for Earth Science and Disaster Resilience)
Volcan le plus près	Unzen (38 km / 24 mi)
Lieux à proximité	2 km ENE de Matsubase (Uki) (pop: 26,200) \| Carte \| Séismes à proximité 3 km SSE de Uto (pop: 39,200) \| Carte \| Séismes à proximité 16 km S de Kumamoto (pop: 680,400) \| Carte \| Séismes à proximité 19 km NNE de Honmachi (pop: 104,300) \| Carte \| Séismes à proximité 27 km S de Uekimachi-mōno (Kumamoto) (pop: 31,700) \| Carte \| Séismes à proximité 30 km SO de Ōzu (Kikuchi District) (pop: 29,800) \| Carte \| Séismes à proximité 40 km S de Yamaga (pop: 32,300) \| Carte \| Séismes à proximité 47 km SSE de Ōmuta (Fukuoka) (pop: 132,000) \| Carte \| Séismes à proximité 108 km SSE de Fukuoka (pop: 1,392,300) \| Carte \| Séismes à proximité 894 km OSO de Tokyo (pop: 8,336,600) \| Carte \| Séismes à proximité
Météo à l'épicentre au moment du séisme	Overcast Clouds 31.5°C (89 F), humidity: 60%, wind: 2 m/s (3 kts) from WSW
Énergie sismique estimée libérée	6.3 x 10¹⁰ joules (17.5 MWh, équivalent à 15.1 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
4.0	10 km	Japan: NW KUMAMOTO PREF	NIED
3.8	10 km	KYUSHU, JAPAN	EMSC

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

Seismograms

Seismic station: Oita Nakatsue (JNU/JP network) | Distance from quake: 55 km / 34 mi | Show on map | Station Info

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

Seismic station Oita Nakatsue: 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: Kagoshima Suzuyama (JSU/JP network) | Distance from quake: 130 km / 81 mi | Show on map | Station Info

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

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

Seismic station Kagoshima Suzuyama: 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: Tsushima Kamiagata (JTU/JP network) | Distance from quake: 240 km / 149 mi | Show on map | Station Info

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

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

Seismic station Tsushima Kamiagata: 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: Daejeon, Korea (TJN/PS network) | Distance from quake: 513 km / 319 mi | Show on map | Station Info

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

Seismic station Daejeon, Korea: 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: Hachijojima Island (JHJ2/JP network) | Distance from quake: 854 km / 530 mi | Show on map | Station Info

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

Seismic station Hachijojima 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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