A tiltmeter on Mauna Loa, used to predict eruptions by measuring very small changes in the profile of the mountain. A tiltmeter is a sensitive inclinometer designed to measure very small changes from the vertical level, either on the ground or in structures.
Mr. Billion - 1977: Filming was done at the Sonoma-Marin Fairgrounds and the Petaluma Speedway. Cujo - 1983: Stephen King's horror flick about a rabies infested St. Bernard featured the Scott Ranch Hills off of Corona Rd. Explorers - 1985: A very young Ethan Hawke and River Phoenix starred in this absurd SciFi movie.
While the Star Wars movies take place in a galaxy far, far away, they use real locations on earth to fill in for other planets. One of the most otherworldly scenes in The Force Awakens was filmed on Skellig Michael, an island located six miles off the coast of Ireland. The shoot there was shrouded in secrecy, and locals were told that the crew was filming a documentary.