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<blockquote data-quote="tomBitonti" data-source="post: 6166410" data-attributes="member: 13107">Wouldn't the portal location be detected within the time it took for ground waves to reach detectors?From <a href="http://en.wikipedia.org/wiki/Seismic_tomography" target="_blank">http://en.wikipedia.org/wiki/Seismic_tomography</a>Figuring 4km/s, that would be 14,400 Km/Hr, or about 9,000 Mi/Hr.&nbsp; For a surface wave, that would reach the most distant point in about 1.33 hours, or about 80 minutes.&nbsp; Plus or minus a factor of 2 gives from 160 min to 40 min.Telling what the disturbance is would be harder (I imagine), especially if it is deep underwater.A creature of the sizes depicted walking along open ground would be detectable, and the track would be known within the time limits, above.A creature swimming might not be detectable hardly at all.I tend to agree that modern ordinance is hugely understated in movies, and would make mincemeat of the Kaiju.&nbsp; However, for such a creature to exist, it has to use exotic materials (or perhaps it carries a field of other-dimensional physics).&nbsp; We could make assumptions based on the required strength of materials and work from there.&nbsp; That's beyond my skills.&nbsp; Anyone able to figure this out?Thx!TomB</blockquote>

[QUOTE="tomBitonti, post: 6166410, member: 13107"] Wouldn't the portal location be detected within the time it took for ground waves to reach detectors? From [url]http://en.wikipedia.org/wiki/Seismic_tomography[/url] Figuring 4km/s, that would be 14,400 Km/Hr, or about 9,000 Mi/Hr. For a surface wave, that would reach the most distant point in about 1.33 hours, or about 80 minutes. Plus or minus a factor of 2 gives from 160 min to 40 min. Telling what the disturbance is would be harder (I imagine), especially if it is deep underwater. A creature of the sizes depicted walking along open ground would be detectable, and the track would be known within the time limits, above. A creature swimming might not be detectable hardly at all. I tend to agree that modern ordinance is hugely understated in movies, and would make mincemeat of the Kaiju. However, for such a creature to exist, it has to use exotic materials (or perhaps it carries a field of other-dimensional physics). We could make assumptions based on the required strength of materials and work from there. That's beyond my skills. Anyone able to figure this out? Thx! TomB [/QUOTE]

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