lurching 30 to 100 feet would be difficult whether horizontal or verticle or a combination of both. The shock of a sudden movement like that would often be fatal

begin partial quote from:

https://www.nbcnews.com/science/environment/japan-megaquake-advisory-meaning-reason-rcna165976

If a megaquake were to happen near Japan, the Philippine Sea Plate would lurch, perhaps as much as 30 to 100 feet, near the country’s southeast coast, producing intense shaking.  

end partial quote.

In 2011 in Japan 18,000 people or more died from the earthquake then and there were 3 meltdowns in a nuclear reactor at Fukushima Nuclear power plant. One of those three nuclear reactors was reprocessing weapons grade plutonium.