No matter who you are, seismologist or regular person on the street, when you feel the Earth move you want to know what's going on. Was it an earthquake? Where was the earthquake? How big was it? As a grad student, many moons ago, when the Earth moved, the Electronic Seismologist (ES) was known to immediately turn on the “AM/FM-Automatic-Earthquake-Locator.” Before the seismograms could be pulled off the photographic drums, developed, and read and an “official” hypocenter determined (using a large map and a piece of string to swing arcs), the radio would usually have reported a location. Individuals feeling...

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