Are Supershear Earthquakes Even More Dangerous Than We Thought?

Long-time Slashdot reader Bruce66423 shared this article from the Los Angeles Times:

Scientists have increasingly observed how the rupturing of a fault during an earthquake can be even faster than the speed of another type of damaging seismic wave, theoretically generating energy on the level of a sonic boom. These shock waves — created during “supershear” earthquakes — can worsen how bad the ground shakes both side to side and up and down along an affected fault…