(8:37)
Kaneki and Furuta clash, creating a small earthquake across the 19th ward, itabashi-ku
Area of Itabashi: 32.22 km^2
Area = pi * r^2
Radius = 3.20249036 kilometers
Looks like a magnitude 4
Magnitude at epicenter: 4 + 0.0238 * 3.20249036 = Magnitude 4.07621927057
Energy = 8.209731e+10 joules, 19.62 tons of TNT, City Block level
Edit
Earthquake Calculations#3. Richter Magnitude to Energy
Using the vsb standard for an artificial earthquake
10^1.5*(Richter Magnitude)+4.8
So magnitude 4
10^6+4.8
10^10.8
6.3096E10
Looks like city block
15.08 tons
the result needs to be halved as a result of it being a clash between two people.
15.08/2 would be 7.54 tons, Large Building