In Federated Rural Elec. Ins. Corp. v. TIG Ins. Co., 2008 U.S. App. LEXIS 20268 (9th Cir. Sept. 19, 2008), the issue was whether an excess, following form policy excluded coverage for "sinkhole collapse" under its earth movement exclusion.
TIG’s excess policy excluded "earth movement," but did not define "earth

