IRIS Earthquake Science | Supercomputer Modeling of Earthquake Ground Motions—1868 Hayward Fault Rupture @IRISEarthquakeScience | Uploaded 5 years ago | Updated 3 minutes ago
www.iris.edu/earthquake IRIS Distinguished Lectureship
Dr. Arthur Rodgers, Seismologist, Lawrence Livermore National Laboratory, Livermore CA
The last major earthquake on the Hayward Fault, with magnitude 6.5-7.0, occurred on October 21, 1868. This earthquake caused significant damage to structures for the few thousands of people living in the “East Bay” at that time. Geologic evidence strongly suggests major earthquakes on the Hayward Fault occur about every 140-160 years. 2018 marked the 150th anniversary of this event, and 2.5 million people live near the Hayward Fault today. Consequently, the Hayward Fault contributes significantly to seismic hazard and risk in the San Francisco Bay Area. This lecture will describe supercomputer modeling of earthquake ground motions with a focus on large Hayward Fault ruptures. Computer simulations of earthquakes can be performed to understand the expected level and character of shaking for possible future events. Advances in numerical methods and the ever growing power of parallel processing supercomputers enable ever more realistic modeling of earthquake shaking, including geology and topography. I’ll describe how computer simulations are enabled by world-class supercomputers and how these simulations are generating ever more realistic motions for hazard and risk studies.
www.iris.edu/earthquake IRIS Distinguished Lectureship
Dr. Arthur Rodgers, Seismologist, Lawrence Livermore National Laboratory, Livermore CA
The last major earthquake on the Hayward Fault, with magnitude 6.5-7.0, occurred on October 21, 1868. This earthquake caused significant damage to structures for the few thousands of people living in the “East Bay” at that time. Geologic evidence strongly suggests major earthquakes on the Hayward Fault occur about every 140-160 years. 2018 marked the 150th anniversary of this event, and 2.5 million people live near the Hayward Fault today. Consequently, the Hayward Fault contributes significantly to seismic hazard and risk in the San Francisco Bay Area. This lecture will describe supercomputer modeling of earthquake ground motions with a focus on large Hayward Fault ruptures. Computer simulations of earthquakes can be performed to understand the expected level and character of shaking for possible future events. Advances in numerical methods and the ever growing power of parallel processing supercomputers enable ever more realistic modeling of earthquake shaking, including geology and topography. I’ll describe how computer simulations are enabled by world-class supercomputers and how these simulations are generating ever more realistic motions for hazard and risk studies.
