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Séisme faible mag. 4.1 - Océan Pacifique Nord, 16 km au sud-est de Tomakomai, Hokkaido, Japon, samedi, 30 juil. 2022 09:55 (GMT +9) -

Séisme faible magnitude 4.1 à 115 km de profondeur

30 Jul 01:02 UTC: Premier à signaler: NIED après 6 minutes.
30 Jul 01:12: Maintenant en utilisant une nouvelle source de données: USGS

Update Sat, 30 Jul 2022, 01:06

Moderate 4.1 quake hits near Tomakomai, Tomakomai Shi, Hokkaido, Japan

4.1 quake 30 Jul 9:55 am (GMT +9)

Just 10 minutes ago, a 4.1-magnitude earthquake struck near Tomakomai, Tomakomai Shi, Hokkaido, Japan. The tremor was recorded in the morning on Saturday, July 30th, 2022, at 9:55 am local time, at an intermediate depth of 134 km below the surface.
The event was filed by Japan's National Research Institute for Earth Science and Disaster Resilience (NIED), the first seismological agency to report it.
According to preliminary calculations, we do not expect that the quake was felt by many people and did not cause any damage. In Tomakomai (pop. 174,800, 21 km away), Chitose (pop. 92,900, 35 km away), Shiraoi (pop. 20,800, 37 km away), Shizunai-furukawachō (pop. 22,400, 51 km away), Kitahiroshima (pop. 62,400, 54 km away), Ebetsu (pop. 134,000, 69 km away), Muroran (pop. 96,200, 70 km away), Sapporo (pop. 1,883,000, 71 km away), and Iwamizawa (pop. 85,100, 76 km away), the quake was probably not felt.

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Détails du séisme

Date et l'heure	30 Jul 2022 00:55:39 UTC -
Heure locale à l'épicentre	samedi, 30 juil. 2022 09:55 (GMT +9)
Statut	Confirmé
Magnitude	4.1
Profondeur	114.7 km
Épicentre latitude / longitude	42.5336°N / 141.746°E (Océan Pacifique Nord, Japon)
Antipode sismique	42.534°S / 38.254°W
Intensité d'agitation	Secousses très faibles
Senti	0 rapports
Source de données principale	USGS (United States Geological Survey)
Volcan le plus près	Shikotsu (35 km / 22 mi)
Lieux à proximité	16 km SE de Tomakomai (pop: 174,800) \| Carte \| Séismes à proximité 33 km E de Shiraoi (pop: 20,800) \| Carte \| Séismes à proximité 33 km SSE de Chitose (pop: 92,900) \| Carte \| Séismes à proximité 51 km SSE de Kitahiroshima (pop: 62,400) \| Carte \| Séismes à proximité 66 km SSE de Ebetsu (pop: 134,000) \| Carte \| Séismes à proximité 67 km ENE de Muroran (pop: 96,200) \| Carte \| Séismes à proximité 68 km SSE de Sapporo (pop: 1,883,000) \| Carte \| Séismes à proximité 782 km NNE de Tokyo (pop: 8,336,600) \| Carte \| Séismes à proximité 139 km SO de Hokkaido Island (pop: 5,500,000) \| Carte \| Séismes à proximité
Météo à l'épicentre au moment du séisme	Overcast Clouds 22.1°C (72 F), humidity: 88%, wind: 3 m/s (7 kts) from S
Énergie sismique estimée libérée	8.9 x 10¹⁰ joules (24.8 MWh, équivalent à 21.3 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
4.1	115 km	16 Km SE of Tomakomai, Japan	USGS
4.1	120 km	HOKKAIDO, JAPAN REGION	EMSC
4.1	134 km	Japan: S OFF TOMAKOMAI	NIED
4.1	115 km	Hokkaido, Japan Region	RaspberryShake
4.1	122 km	Hokkaido, Japan Region	GFZ

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

Seismograms

Seismic station: Eniwa (JEW/JP network) | Distance from quake: 42 km / 26 mi | Show on map | Station Info

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

Seismic station Eniwa: 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: Erimo (JEM/JP network) | Distance from quake: 129 km / 80 mi | Show on map | Station Info

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

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

Seismic station Erimo: 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: Yuzhno Sakhalinsk, Russia (YSS/IU network) | Distance from quake: 499 km / 310 mi | Show on map | Station Info

Seismic station Yuzhno Sakhalinsk, Russia: vertical movement plot around time of quake (source: IRIS/BUD)

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

Seismic station Yuzhno Sakhalinsk, Russia: 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: Ibaraki Yasato (JYT/JP network) | Distance from quake: 713 km / 443 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: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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.
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: 1061 km / 659 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

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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