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Mark Wyner Won’t Comply :vm: (markwyner@mas.to)'s status on Tuesday, 13-May-2025 08:32:03 JST Mark Wyner Won’t Comply :vm:

Whoa. A security cam in Myanmar captured an earthquake fault rupture live. This may be the first ever caught on camera?
Watch the fence-line on the right. And note the power-line tower behind it.
👀
More on earthquake ruptures:
https://en.wikipedia.org/wiki/Earthquake_rupture
#Earthquake #Myanmar #FaultRupture #Geology
In conversation about a day ago from mas.to permalink
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  Earthquake rupture
  
  In seismology, an earthquake rupture is the extent of slip that occurs during an earthquake in the Earth's crust. Earthquakes occur for many reasons that include: landslides, movement of magma in a volcano, the formation of a new fault, or, most commonly of all, a slip on an existing fault. Nucleation A tectonic earthquake begins by an initial rupture at a point on the fault surface, a process known as nucleation. The scale of the nucleation zone is uncertain, with some evidence, such as the rupture dimensions of the smallest earthquakes, suggesting that it is smaller than 100 m while other evidence, such as a slow component revealed by low-frequency spectra of some earthquakes, suggest that it is larger. The possibility that the nucleation involves some sort of preparation process is supported by the observation that about 40% of earthquakes are preceded by foreshocks. However, some large earthquakes, such as the M8.6 1950 India – China earthquake., have no foreshocks and it remains unclear whether they just cause stress changes or are simply a result of increasing stresses in the region of the mainshock. Once the rupture...

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