This information comes from the USGS Earthquake Notification Service and this post was created by an algorithm written by the author.
Reached by phone, Schwencke said he began working on the algorithm, which he calls Quakebot, after the 2011 earthquake in Japan. "Living in a seismically active place ourselves, I started playing with using the USGS data feeds," he said. The U.S. Geological Survey has a "wonderful data notification service which sends out emails," Schwenke said. (more...)