At Work: Susan Hough

13 June 2019–If you don’t know who Bailey Willis and Robert T. Hill are, Susan Hough has got a book for you. It’s her own book, actually—one that she’s working on now, about the period between 1906 and 1933, when earthquake hazard for the Los Angeles area was being debated … Continue Reading »

Mapping Industrial “Hum” in the U.S.

26 April 2019–Using a dense sensor network that scanned the United States between 2003 and 2014, researchers have identified areas within the country marked by a persistent seismic signal caused by industrial processes. At the 2019 SSA Annual Meeting, Omar Marcillo of Los Alamos National Laboratory said that he and … Continue Reading »