Peggy Hellweg, operations manager for the Berkeley Seismology Lab, a co-PI for west coast ShakeAlert, and former commissioner of the California Seismic Safety Commission was one of two beta testers who received a ShakeAlert warning via MyShake during the magnitude-4.5 Pleasant Hill earthquake.
Alka Tripathy-Lang is a freelance science writer based in Chandler, Arizona, and holds a Ph.D. in geoscience.
Latest posts by Alka Tripathy-Lang, Ph.D. (see all)
- Living through the Loma Prieta earthquake - October 21, 2021
- The Great Quake Debate: an interview with seismologist and author Susan Hough - August 27, 2020
- Salton Sea Swarm quiets down - August 12, 2020