Did you know? Japan experiences 20% of the world’s most powerful earthquakes. I didn’t know that until I read this article, though I knew they got quite a few. And as you can see, what with the country being mostly composed of volcanoes and nuclear power plants, it makes sense that they’d have the world’s most advanced seismic activity warning system. With the five they’ve just dropped, it now includes nine deep-sea ground probes and five tsunami detectors.
They’re connected through a fiber optic cable system and monitored from a secret undersea headquarters. Actually — I’m being informed now that they are actually monitored from a normal, above-ground observation center. Sorry, I get carried away sometimes.
Helpful image from this very informative blog