As the acting state geologist of the California Geological Survey, Tim McCrink is currently chair of CEPEC.
From 1986 through 2016, CEPEC convened a total of 17 times to evaluate recent or ongoing seismic activity.
This advisory of the heightened risk led to the temporary closure of the city hall in San Bernardino.
San Diego seismologist Duncan Agnew; James Brune of the University of Nevada Seismological Lab; Greg Beroza of Stanford University; Thomas Jordan of the University of Southern California; Morgan Page, a geophysicist with the U.S. Geological Survey in Pasadena; Tom Heaton, a professor of engineering seismology at Caltech in Pasadena; and California Geological Survey seismologist Rui Chen.
As of 2019, CEPEC and the state of California have never advised any action be taken by the government or residents based on an earthquake prediction.