Reading today's newspaper, I find that Darrin Bell made a joke about asteroid impacts and homeowner's insurance in #Candorville: https://www.candorville.com/comic/gigantic-asteroids-strike-earth-more-often-than-wed-thought/?sid=20756 .
Meteorite strikes on houses are sometimes included under a general "falling objects" provision.
Earthquakes and flooding from impact tsunami may be included separately.
Check your policy.
