On August 29, 2016, the U.S. Court of Appeals for the Tenth Circuit affirmed a Colorado district court ruling that the sudden obliteration of a building in a 2013 mudslide did not constitute an “explosion” under a commercial property policy. Accordingly, coverage for the loss was barred under the policy’s “Water Exclusion Endorsement,” which excluded coverage for, among other perils, “[m]udslide or mudflow.” Although the exclusion contained an exception for resulting losses caused by “fire explosion, or sprinkler leakage,” the Tenth Circuit held that the destruction of the building did not constitute an explosion as used in the exception to the exclusion. In construing the meaning of “explosion” as used in the water exclusion, the court emphasized that “context matters,”…