Map
of California & Nevada earthquakes
1906-1960
Following the 1906 earthquake and the modernization of instrumentation at the Student's and Lick Observatories, interest in a collaboration of stations with a single compilation of readings was renewed. At this time, Berkeley became the place where records were worked on and the University of California set up a publication series, Bulletin of the Seismographic Stations, for distribution of the reports. The first bulletin was published on January 2, 1912, and presented the record of the "Registration of Earthquakes".
During this time, many notable figures were involved in seismology at Berkeley including H. O. Wood and J. B. Macelwane. It was H. O. Wood and J. A. Anderson who developed a torsion seismograph (see the display case on the 2nd floor) suitable for recording local and regional earthquakes. Berkeley obtained four of these Wood-Anderson seismographs and deployed them at Stanford University and the California Academy of Sciences, in addition to Berkeley and Lick Observatory.
Perry Byerly became the first professor of seismology at UC Berkeley in 1925. He oversaw the deployment of the Wood-Anderson seismographs and expanded the network of stations to include sites at Ferndale, Fresno, and Mt. Lassen in the 1930s. By 1960, over 15 stations were reporting their observations to Berkeley.
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Berkeley Seismological Lab
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Copyright 1995-2005, The Regents of the University of California.
Last modified: Wed Sep 17 09:20:44 PDT 2008