The Last Day Theory

We explore the most dramatic "What If" scenarios in our world.
Volcanoes, megatsunamis, earthquakes, extinction-level events, and global collapse.
Cinematic, realistic, science-backed disaster simulations.
Welcome to The Last Day Theory.

Surviving a Tsunami on a Wooden Plank: Day 1 (POV)

Surviving a Tsunami on a Wooden Plank: Day 1 (POV)
Japan Tsunami Size Comparison: 1 ft vs 1000 ft

Japan Tsunami Size Comparison: 1 ft vs 1000 ft
What If New York City Became Chernobyl?

What If New York City Became Chernobyl?
What If Miami Disappeared Tomorrow?

What If Miami Disappeared Tomorrow?
POV: Yellowstone Supervolcano Eruption (Firefighter Bodycam Footage)

POV: Yellowstone Supervolcano Eruption (Firefighter Bodycam Footage)
What If a MEGA TSUNAMI Hit Tokyo? (Survival POV)

What If a MEGA TSUNAMI Hit Tokyo? (Survival POV)
What If The US Hit -80°?

What If The US Hit -80°?
What If the San Andreas Fault Ruptures Tomorrow? (Scientific Simulation)

What If the San Andreas Fault Ruptures Tomorrow? (Scientific Simulation)
Category 5 Monster Hurricane Destroys Miami — The City Faces Its Final Day

Category 5 Monster Hurricane Destroys Miami — The City Faces Its Final Day
🚨 MEGA TSUNAMI HITS CALIFORNIA! (FULL MOVIE) - The Last Day Theory

🚨 MEGA TSUNAMI HITS CALIFORNIA! (FULL MOVIE) - The Last Day Theory
The Day New York Froze: Times Square Ice Apocalypse 🥶

The Day New York Froze: Times Square Ice Apocalypse 🥶
What If a Supervolcano Erupted Under New York City?

What If a Supervolcano Erupted Under New York City?