The Salt Lake Tribune published an article recently on some trenching activity by the Utah Geologic Survey and the USGS to better date past movements on this active fault.
Geologic Hazards
Anniversary of Loma Prieta Earthquake – USGS Warns of Hayward Fault
October 17 was the 18th anniversary of the 6.9 magnitude Loma Prieta earthquake that struck the Bay area. But a recent story by the Bay Area’s local ABC affiliate, ABC7, chose to focus on another earthquake, a 1868 earthquake of about the same magnitude that occurred on the Hayward Fault. According to the USGS, the Hayward Fault has a return period of about 140-years and "It’s the most heavily urbanized fault in the U.S. and it’s just waiting to go off…" Next year will be the 140-th anniversary of the last earthquake on the Hayward Fault. At some point it has the potential to be a very bad earthquake there. More after the break. (Photo by sanbeiji)
Geologic Hazards
Christchurch Earthquake – 10th Anniversary
On February 22, 2011, at 12:46 pm local time, a 7.1 moment magnitude earthquake struck Christchurch, New Zealand, killing 185 people. This week, memorial activities were held to honor the victims. Radio New Zealand has […]
Geologic Hazards
Regulators aware for years of understated seismic risks to nuclear plants
With the events in Japan on everyone’s mind, it’s of course to be expected that seismic safety at nuclear power plants in the U.S. becomes a hot topic. This article discusses how the Nuclear Regulatory […]