Three mailing lists are available at the Web site of the U.S. Geological Survey's (USGS's) National Earthquake Information Center (NEIC). These lists provide earthquake information rapidly on a subscription basis, BIGQUAKE sends a message whenever an earthquake is reviewed by the duty geophysicist that has a magnitude of 5.5 or greater anywhere in the world or a magnitude of 4.5 or greater within the 50 U.S. states, excluding the Aleutian Islands of Alaska. QEDPOST sends a daily message of the earthquakes located seven days behind the current day taken from the USGS Quick Epicenter Determinations (QED) listing. It is a...

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