Where was Johnny Tsunami filmed?
1999 film directed by Steve Boyum
Johnny Tsunami (1999) was filmed in Brighton Ski Resort, 1 place named in its Wikipedia article's Production section, in the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Wikipedia's Production section
Wikipedia’s Production section names 1 place. Each links to the sentence that says so.