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Terremoto moderato mag. 4.0 - 16 km a sud da Kumamoto, Prefettura di Kumamoto, Giappone, martedì, 8 giu 2021 16:59 (GMT +9)

Terremoto moderato magnitudine 4.0 a 10 km di profondità

8 Jun 08:06 UTC: Primo a segnalare: NIED dopo 6 minuti.

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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Dettagli del sismo

Data e ora	8 Jun 2021 07:59:58 UTC
Ora locale all'epicentro	martedì, 8 giu 2021 16:59 (GMT +9)
Status	Confermato
Magnitudine	4
Prof.	10.0 km
Epicentro latitudine / longitudine	32.659°N / 130.684°E (Uki Shi, Prefettura di Kumamoto, Giappone)
Antipodo	32.659°S / 49.316°W
Intensità di scuotimento	Scuotimento leggero vicino all'epicentro
Sentito	0 rapporti
Fonte dati primaria	NIED (National Research Institute for Earth Science and Disaster Resilience)
Vulcano più vicino	Unzen (38 km / 24 mi)
Luoghi vicini	2 km ENE da Matsubase (Uki) (pop: 26,200) \| Mappa \| Sismi nelle vicinanze 3 km SSE da Uto (pop: 39,200) \| Mappa \| Sismi nelle vicinanze 16 km S da Kumamoto (pop: 680,400) \| Mappa \| Sismi nelle vicinanze 19 km NNE da Honmachi (pop: 104,300) \| Mappa \| Sismi nelle vicinanze 27 km S da Uekimachi-mōno (Kumamoto) (pop: 31,700) \| Mappa \| Sismi nelle vicinanze 30 km SO da Ōzu (Kikuchi District) (pop: 29,800) \| Mappa \| Sismi nelle vicinanze 40 km S da Yamaga (pop: 32,300) \| Mappa \| Sismi nelle vicinanze 47 km SSE da Omuta (Fukuoka) (pop: 132,000) \| Mappa \| Sismi nelle vicinanze 108 km SSE da Fukuoka (pop: 1,392,300) \| Mappa \| Sismi nelle vicinanze 894 km OSO da Tokyo (pop: 8,336,600) \| Mappa \| Sismi nelle vicinanze
Meteo all'epicentro al momento del sismo	Overcast Clouds 31.5°C (89 F), humidity: 60%, wind: 2 m/s (3 kts) from WSW
Energia sismica rilasciata stimata	6.3 x 10¹⁰ joules (17.5 MWh, equivalent to 15.1 tons of TNT) \| about seismic energy

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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Prof.	Ubicazione	Fonte
4.0	10 km	Japan: NW KUMAMOTO PREF	NIED
3.8	10 km	KYUSHU, JAPAN	EMSC

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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

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

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