00:00Japan is shaking, literally.
00:02More than 1,700 earthquakes have rattled the remote Takara Islands in just a few weeks.
00:08And now, Japan is stepping up its defenses.
00:11Evacuations are already underway.
00:13Some islands felt over 60 quakes in a single day.
00:16But here's the real fear.
00:18A megaquake in the Nankai Trough, a 900-kilometer fault line off southern Japan.
00:24Experts say there's an 80% chance of a magnitude 9 earthquake hitting in the next 30 years.
00:31Past reports warned of up to 332,000 deaths and millions of buildings destroyed.
00:38New estimates lowered that slightly.
00:40But the danger is far from over.
00:42Tsunamis could hit just five minutes after a quake.
00:45Some waves might reach 34 meters high.
00:48Japan is building taller seawalls, tsunami towers,
00:51and upgrading safety rules at nuclear plants.
00:54But experts warn, you can't protect everything.
00:57The key to survival?
00:59Education and quick action.
01:02Because in the end, it's not just about infrastructure.
01:05It's about people knowing how to react fast when every second counts.
01:09This is Japan's Race Against Time.
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