Why are earthquakes so hard to predict? - Jean-Baptiste P. Koehl
1,229,398 Views
27,260 Questions Answered
Let’s Begin…
In 132 CE, Zhang Heng presented his latest invention: a large vase he claimed could tell them whenever an earthquake occurred for hundreds of miles. Today, we no longer rely on pots as warning systems, but earthquakes still offer challenges to those trying to track them. Why are earthquakes so hard to anticipate, and how could we get better at predicting them? Jean-Baptiste P. Koehl investigates.
Create and share a new lesson based on this one.
About TED-Ed Animations
TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »
Meet The Creators
- Educator Jean-Baptiste P. Koehl
- Director Mateus Contini, Felipe Grosso
- Narrator Addison Anderson
- Animator Natália Faria, Vini Pereira, Kelvin Lima, Mateus Contini
- Editor Mateus Contini
- Art Director Ricke Ito
- Storyboard Artist Ricke Ito
- Character Designer Ricke Ito
- Sound Designer Matheus Wittmann
- Composer Matheus Wittmann
- Compositor Mateus Contini
- Director of Production Gerta Xhelo
- Editorial Producer Alex Rosenthal
- Associate Producer Bethany Cutmore-Scott
- Associate Editorial Producer Dan Kwartler
- Script Editor Emma Bryce
- Fact-Checker Joseph Isaac

by TED-Ed
The Radon–Thoron method offers optimistic preliminary results. What are the main challenges to tackle before we can use it as a reliable earthquake prediction tool?
Comments are closed on this discussion.
NYHLEN MARY
Lesson in progress
to track and know when plates are moving and how large the impact will be
Lucas Rey
Lesson completed
to identify the moving plates.
Emmanuel Burnett
Lesson in progress
to track the beahivior and identify the moving plates
Dylan Cohen
Lesson completed
cool man
Franklin Henry
Lesson completed
We should test the tool more we always need to be prepared just in case
Equavius Norris
Lesson completed
one challenge is that some earthquakes can happen before we get the news maby scientists can test on this
Torianna Wyche
Lesson completed
One challenge is that it would be more difficult to predict earthquakes because radon wouldn't be clear tell how radon concentration and earthquakes could be connected.
Taylor Walker
Lesson completed
maybe scientist can test for it to see if it works and if it is accurate
Layton Simeone
Lesson completed
when you feel a little bit of movement under your feet you should stay calm and get under a desk to stay alert of whats going on you should go on your phone.
Christopher Flores
Lesson completed
I think that the main challenge is figuring out where the gasses come out.