SUBSIM Radio Room Forums - Japanese Tsunami

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Apparently my brother in law just sailed from Okinawa yesterday, so he's ok.

One report I saw said they were about to start venting pressure in one of the reactors to the atmosphere to prevent a catastrophic explosion.

Quote:

In other developments:

A passenger train was missing in Miyagi prefecture, and a ship carrying 100 people was swept away, police told Japanese media
Fire has engulfed swathes of coastland, including homes and buildings, at Kesennuma city in Miyagi
A major explosion hit a petrochemical plant in Sendai; further south a huge blaze swept through an oil refinery in Ichihara city, Chiba prefecture
Some 1,800 homes are reported to have been destroyed in the city of Minamisoma, Fukushima prefecture
A dam burst in north-eastern Fukushima prefecture, sweeping away homes, Kyodo news agency reports
At least 20 people were injured in Tokyo when the roof of a hall collapsed on to a graduation ceremony

Nearly 3,000 people have been ordered to evacuate from near the Fukushima power plant, where the cooling system in a reactor failed as it shut down automatically during the quake.
Pressure inside one of six boiling water reactors at the plant has risen to 1.5 times the level considered normal, said the country's nuclear safety agency.

Interesting pic showing the predicted wave height.

http://gfx.dagbladet.no/labrador/157...g/active/0.jpg

Damn, that's a long old way.
Last I heard there is not just one but two trains missing, hopefully they'll have just derailed somewhere and the communications system is broken...but those waves were strong in both directions...

There were pictures earlier of the fire at Miyagi, the entire sea front was ablaze. Quite sobering.

A lot of people in Japan will have had a very sleepless night, it's about 4am there now, the sun will be coming up soon and then we'll get a better picture of the damage...and the death toll.

Quote:

Originally Posted by Oberon (Post 1617310)

Last I heard there is not just one but two trains missing...

Two trains and a ship of some sort the last I heard. :-?

The ship was already mentioned in Gargemels post. :O:

But it's still missing. :88)

3 hurt, 1 feared dead in Crescent City, CA, as a result of tsunami.

Source.

What a God-awful mess.

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I do ponder, and this is a thought for another time really, whether a tsunami hitting a populated area loses its energy faster and travels less distance than one hitting a non-populated area, due to the amount of debris it picks up and the mass of it increasing the energy required to push the wave forward. Something for the boffins to analyse I dare say.

Not sure, but you saw when the waves hit they kept up momentum regardless. Saw a rather large warehouse just disintegrate from the force of the waves.

Quote:

Originally Posted by papa_smurf (Post 1617362)

Not sure, but you saw when the waves hit they kept up momentum regardless. Saw a rather large warehouse just disintegrate from the force of the waves.

Indeed, and that does puzzle me, then again there is a LOT of energy behind these waves. It also doesn't help that most of the pictures don't tell you how far inland they are being shot from. It'll all be published later when the clean-up is done, like the data from the 2004 tsunami and there'll be a lot of comparisons between the two I'd wager.

EDIT: The evacuation zone around the Fukushima Daichi NPP has been increased from two miles to six miles, and Tokyo Electric Power Company has said that some radiation may have already been released from the plant.

From BBC news update:

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2149: The Kyodo news agency is now citing a safety panel as saying that the radiation level inside one of the reactors at the Fukushima-Daiichi nuclear plant is 1,000 times higher than normal.

^ That can't be good. :-?