Okay… So, the gist of one of the current discussion point is that because there’s Radiated Waves and that it’s a fictional Earthquake, that there MUST be Tectonic movement, and as such, Earthquake calcs that use Radiated Waves must be thrown out?
That's not what I'm arguing. I'm arguing that in absence of the tectonic movement, these characters are clearly exerting energy comparable to the Seismic moment dimensions, as opposed to clearly event which caused the radiated wave themselves.
Yeah… no, I do not agree with this take at all. Once again, you don’t need to cause tectonic fault slip for radiated waves to propagate across a surface. A strong enough impact on the surface will do that and that’d still very much be an earthquake (after all, earthquake is just a shaking of the ground that causes destruction). A good chunk of the energy of an object hitting the surface will transfer the energy over. Conservation of Energy, you know?
Here’s an experiment one can try to test this out: slam your desk with your fist as hard as you can in rage while you lose while getting earraped by Russian CSGO players cannonball into a pool. A good chunk of your KE is transferred into the water and you’ll notice waves and ripples move across the water. That’s all energy travelling across the water.
This point is actually bolstering my point. What I am saying is that the event which caused the waves (the cannonball i.e. your weight and the acceleration towards the water) has to be calculated (or in this case assumed equivalent to the effects from seismic moment of an earthquake of comparable effects observed), your position is that you can set up an energy detector at the edge of the pool which is impacted by the wave of water, and then claim that the total energy of the event is what you got from said reading. I'd rather get hit by a wave from a person canon balling, than the person themselves any day of the week.
This made wore by the fact that Earthquakes must also radiate energy for hundreds to thousands of meters (in this case the Mariana Trench) through the earth's crust, so we are measuring waves far dispersed from the source. So it'd be more analogous to a pressure event happening at 3m in a pool and you taking wave readings from the surface and saying those readings are the total energy. Once again, this is why seismic moment was utilized as opposed to the richer scale.
Very similar principle here with artificially created Earthquakes via punching the ground or any strong impact to a surface (and in some cases Asteroid impacts). And that all can give values to be used for the Richter scale, which we use for Radiated Waves. Boom, simple.
Not really, in this case of an asteroid impact, the focus of the event is literally as surface level. This is like experiencing an earthquake at the source, instead of through thousands of meters of crust. Even then, there is the initial impact energy of the meteor striking the ground, and then a resultant radiated energy which is much less than the preceding event. Same thing here, big boom and then radiated energy. Gojo is the big boom, and since we saw he effects of his boom (mag 6 earthquake) we should be perfectly comfortable plopping him in as the source of our natural counterpart.
On the other hand, the Total Seismic Moments you’d have to go into making assumptions like what the composition of the fault line (which varies a lot), how long the fault line is, how much it moved, etc. And these are all assumptions that YOU NEED TO PROVE (because they vary so much and will impact the results), but ULTIMATELY CAN’T. It gets too complicated because it is. We can’t ignore these complications just because ‘it’s fiction’. One has to respect the formula’s strict variables or don’t bother.
Not really, I would have to do this if I was claiming Gojo moved plates to caused the earthquake itself. That's not what I'm arguing. I'm arguing Gojo didn't need to and still created an earthquake, thousands of meters above the surface, comparable to a SM from tectonic activity.
Very similar in nature to use having formulas from calcing explosion sizes based on shockwave values. You don't just look at the shockwaves from an explosion from thousands of meters away and use that energy as the result, you'd obviously also calculate the blast which expanded said thing. And we use this for magical explosions and energy sources all of the time. Gojo propagating radiated energy that was strong enough to shake the world at a 6+ magnitude means he is the focus and thus should be scalable to a natural SM equivalent.
And yes, utilizing the radiated energy alone is not valid, as you are not accounting for the source of radiation. So essentially you are arguing that Gojo created the radiated energy value (town level) which then radiated itself through 9000 meters, and still have the town+ level energy to cause the 6+ magnitude observed at surface level.
I shouldn't have to explain why that is silly.
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