Scientists get a closer look at mechanism of Deep Bolivian Quake

@article{Wakefield1995ScientistsGA,
  title={Scientists get a closer look at mechanism of Deep Bolivian Quake},
  author={Julie Wakefield},
  journal={Eos, Transactions American Geophysical Union},
  year={1995}
}
  • J. Wakefield
  • Published 10 January 1995
  • Geology
  • Eos, Transactions American Geophysical Union
While big earthquakes typically wreack havoc for humankind, the biggest deep earthquake ever recorded—the magnitude 8.3 event that occurred 637 km beneath the surface of Bolivia on June 9, 1994—has brought enlightenment—of sorts. Instead of bringing death and destruction, the recent Bolivian quake, the largest quake of any type in recent decades, has given scientists one of the best probes yet of the Earth's interior. Within several minutes of the deep rupture, the quake benignly shook the… 

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TLDR
Developments support the hypothesis that deep earthquakes represent transformational faulting in a wedge of olivine-rich peridotite that is likely to persist metastably in coldest plate interiors to depths as great as 690 km, consistent with the global depth distribution of deep earthquakes, the maximum depths of earthquakes in individual subductions zones, and key source characteristics of deep events.