The earthquakes that began in early July have caused about $200 million in property damage. The estimate doesn’t include damage to infrastructure. According to Karen Clark and Co less than $40 million of the damage will be covered by them, estimated as little as 20 % of residents in the area have earthquake insurance.

For more info, please read the original article by WSJ:
https://www.wsj.com/articles/california-earthquakes-caused-200-million-in-damage-report-says-11564006544