The Community Seismic Network’s (CSN) tight network of low-cost detectors are improving the resolution of seismic data gathering and could offer city inspectors crucial information on building damage after a quake. On February 18, 2015, an explosion rattled the ExxonMobil refinery in Torrance, causing ground shaking equivalent to that of a magnitude-2.0 earthquake and blasting out an air pressure wave similar to a sonic boom. Traveling at 343 meters per second the air pressure wave reached a 52-story high-rise in downtown Los Angeles 66 seconds after the blast. The building's seismometers, which are part of the CSN, noted and recorded the motion of each individual floor. "We want first responders, structural engineers, and facilities engineers to be able to make decisions based on what the data say," explained Monica Kohler, Research Assistant Professor of Mechanical and Civil Engineering, and the lead author of a paper detailing the high-rise's response that recently appeared in the journal Earthquake Spectra. [Caltech story]
- March 22, 2019 12:00 PM Smart Grid Seminar Speaker: Paulin Jacquot Annenberg 213
- March 28, 2019 12:00 PM Rigorous Systems Research Group (RSRG) Seminar Speaker: Kuang Xu Annenberg 213
- April 1, 2019 10:30 AM PhD Thesis Defense Speaker: Siddharth Jain Moore B270
- April 3, 2019 10:00 AM TCS+ Talks Speaker: Richard Peng Annenberg 322
- April 3, 2019 4:00 PM EE Systems Seminar Speaker: Aaron Wagner Moore B280
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