I had a chance to visit Anchorage some years back and went a park where land had given way and swallowed up houses, they had the roads in good order but looking at some of the pics downtown and surrounding Anchorage was a mess, it was no easy fete.. That was a 9+, there was a 9.5 or so in Chile in 1960.. talk about an E ticket ride.
Many people said they had seen “lights in the sky,” a phenomenon authorities attributed to short circuits at electrical plants where the quake damaged cables and other equipment.
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or maybe it’s the piezoelectric effect.. two large sections of earth’s rocky crust rubbed and pounded together under immense pressure,, add some quartz in..