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Popular article: https://www.nationalgeographic.com/...hquake-supersonic-supershear-speed-indonesia/
Nature.com paywall/abstract:
https://www.nature.com/articles/s41561-019-0308-8
After analysis of the quake centered near Palu Indonesia that killed 2000+ people, it was determined that the velocity at which the tremor propagated the tear in the earth, this was "no ordinary earthquake". It is termed a supershear event.
Supershear refers to the velocity of propagation of the rupture. These are rare. This one had lots of seismogaphs listening. Maybe our @davenn can point out this phenomenon using his output as recorded on his machine.
Nature.com paywall/abstract:
https://www.nature.com/articles/s41561-019-0308-8
After analysis of the quake centered near Palu Indonesia that killed 2000+ people, it was determined that the velocity at which the tremor propagated the tear in the earth, this was "no ordinary earthquake". It is termed a supershear event.
Supershear refers to the velocity of propagation of the rupture. These are rare. This one had lots of seismogaphs listening. Maybe our @davenn can point out this phenomenon using his output as recorded on his machine.