The Rainiest Place On Earth

From 1veritasium, 2veritasium, or sciencium.

How a rainfall simulator saves millions of lives. Get exclusive NordVPN deal here ➵ It’s risk free with Nord’s 30 day money-back guarantee!

If you’re looking for a molecular modeling kit, try Snatoms – a kit I invented where the atoms snap together magnetically –

Huge thanks to Okouchi-San and Dr. Sakai and everyone at NIED and the Large Scale Rainfall Simulator for their time, expertise and access to this amazing facility.

A big thank you to Prof. Olga Mavrouli and Prof. Bill Schulz for their invaluable expertise on the mechanisms of landslides.

Ulbrich, C. W. (1983). Natural variations in the analytical form of the raindrop size distribution. Journal of climate and applied meteorology, 1764-1775. –

Van Boxel, J. H. (1997, November). Numerical model for the fall speed of rain drops in a rain fall simulator. In Workshop on wind and water erosion (Vol. 5, pp. 77-85). –

Canuti, P., Focardi, P., & Garzonio, C. (1985). Correlation between rainfall and landslides. Bulletin of Engineering Geology & the Environment, 32(1).

Tsaparas, I., Rahardjo, H., Toll, D. G., & Leong, E. C. (2002). Controlling parameters for rainfall-induced landslides. Computers and geotechnics, 29(1), 1-27. –

Nakamura, H., & Oosawa, M. (2021, March). Effects of the underground discharge channel/reservoir for small urban rivers in the Tokyo area. In IOP Conference Series: Earth and Environmental Science (Vol. 703, No. 1, p. 012029). IOP Publishing. –

Guthrie, R. H., & Evans, S. G. (2004). Magnitude and frequency of landslides triggered by a storm event, Loughborough Inlet, British Columbia. Natural Hazards and Earth System Sciences, 4(3), 475-483. –

Images & Video:
Miyako, Iwate Tsunami via ANNnewsCH –
Mount Onake Volcano via BBC News –
Typhoon Jebi via Al Jazeera –
East Asia Typhoons via CBC News –
Atami Landslide via The Quint –
Atami Landslide via –
Sendai Earthquake via ANNnewsCH –
Nagasaki Mudslide via The Telegrap –
Wajima Landslide via Guardian News –
Drone Rainfall Test via AIZAWAchan –
Car Rainfall Test via TIER IV –
Rainfall Simulator via NIED –
External Footage of Simulator via NIED –
Landslide Simulations via NIED –
Typhoon Prapiroon via Force Thirteen –
Yanohigashi Floods via CNA –
Japan Floods via The Telegraph –
Japan Floods via euronew –
Typhoon Hagibis via Guardian News –
Typhoon Hagibis via SCMP –
Satellite Imagery of Hagibis via Force Thirteen –
Tokyo Flood Control System via –
Landslides Footage via Underworld –
Norway Landslide via ABC7 –
Planet Destruction via BBC –
B.C. Climate Change Danger via CBC News –
Canada’s Logging Roads via CBC News –

Special thanks to our Patreon supporters:
Chris Harper, Max Paladino, Balkrishna Heroor, Adam Foreman, Orlando Bassotto, Tj Steyn, meg noah, KeyWestr, TTST, John H. Austin, Jr., john kiehl, Anton Ragin, Diffbot, Gnare, Dave Kircher, Burt Humburg, Blake Byers, Evgeny Skvortsov, Meekay, Bill Linder, Paul Peijzel, Josh Hibschman, Juan Benet, David Johnston, Ubiquity Ventures, Richard Sundvall, Lee Redden, Stephen Wilcox, Marinus Kuivenhoven, Michael Krugman, Sam Lutfi

Directed by Petr Lebedev
Written by Petr Lebedev
Edited by Peter Nelson
Additional Research by Gregor Čavlović
Animated by Fabio Albertelli
Illustrations by Jakub Misiek
Filmed by Petr Lebedev, Emily Zhang, Derek Muller
Produced by Petr Lebedev, Han Evans and Gregor Čavlović
Thumbnail by Peter Sheppard
Additional video/photos supplied by Getty Images
Music from Epidemic Sound