M8.5 occurred Ogasawara island offshore / Seismic intensity 5+ in Greater Tokyo Area

A very strong earthquake happened Ogasawara islands offshore at 20:24 of 5/30/2015 (JST)

Magnitude was 8.5 according to Japan Meteorological Agency. Epicenter depth was 590km. The maximum seismic intensity was 5+.

It affected the entire area of Japan and seismic intensity 5-〜5+ was observed in Greater Tokyo Area as well.

No tsunami alert is announced.

The possible connection with the volcanic activity of Mt. Hakone or the new volcanic island of Tokyo offshore has not been suggested.

Tepco announced no abnormality is reported in Fukushima plant.

 

http://www.jma.go.jp/en/quake/

 

 

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Français :

Séisme M8,5 au large des îles Ogasawara / Intensité 5+ dans le Grand Tokyo

 

Un séisme très violent s’est produit au large des îles Ogasawara ce 30 mai 2015 à 20:24 (JST)

Selon la Japan Meteorological Agency, sa magnitude a été de 8,5. La profondeur de l’épicentre était de 590 km. L’intensité sismique maximale a été de 5+.
Il a été ressenti sur tout le Japon et une intensité sismique de 5- à 5+ a été relevée dans la région du Grand Tokyo.
Aucune alerte tsunami n’a été émise.
Le lien possible avec l’activité volcanique du Mt. Hakone ou de la nouvelle île volcanique au large de Tokyo n’a pas été suggéré.

Tepco a déclaré qu’aucune anomalie n’est rapportée dans la centrale de Fukushima.

http://www.jma.go.jp/en/quake/

About this site

This website updates the latest news about the Fukushima nuclear plant and also archives the past news from 2011. Because it's always updated and added live, articles, categories and the tags are not necessarily fitted in the latest format.
I am the writer of this website. About page remains in 2014. This is because my memory about 311 was clearer than now, 2023, and I think it can have a historical value. Now I'm living in Romania with 3 cats as an independent data scientist.
Actually, nothing has progressed in the plant since 2011. We still don't even know what is going on inside. They must keep cooling the crippled reactors by water, but additionally groundwater keeps flowing into the reactor buildings from the broken parts. This is why highly contaminated water is always produced more than it can circulate. Tepco is planning to officially discharge this water to the Pacific but Tritium is still remaining in it. They dilute this with seawater so that it is legally safe, but scientifically the same amount of radioactive tritium is contained. They say it is safe to discharge, but none of them have drunk it.

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