>Oct 17th
The 1989 Loma Prieta earthquake occurred on California's Central Coast on October 17 at 5:04 p.m. local time.
Total damage: $5.6–6 billion which is equivalent to $13.8–14.7 billion today.
Casualties: 63 killed and 3,757 injured.
https://en.wikipedia.org/wiki/1989_Loma_Prieta_earthquake
Magnitude established at 6.9 after consultation with monitoring stations around the world.
The shaking lasted 20 seconds.
https://www.conservation.ca.gov/cgs/earthquakes/loma-prieta