‘The Santa Clara Valley Water District has received preliminary findings from an ongoing seismic stability evaluation for Anderson Dam that detail part of the dam could experience “significant slumping” if a 7.25 magnitude earthquake were to occur on the Calaveras Fault within about a mile of the dam.’ [Source: MorganHillTimes.com via Association of State Dam Safety Officials]
Project Related
Images of the Three Gorges Dam ship lock wall
Dr. Dave Petley (The Landslide Blog) was recently in China meeting with members of the Three Gorges Dam University. They took him on a tour of several sites, including the impressive ship locks with an […]
Geophysics
Single Borehole P-Wave and S-Wave Geophysics with PS-suspension Probe
A Japanese company, OYO Corporation, created the PS-suspension probe for recording P-Wave and S-Wave velocity data in geomaterials using one borehole back in the 1980’s. A recent update to the probe has made it digital. […]
Miscellaneous
Dam Safety News Highlights
The Association of State Dam Safety Officials publishes monthly news items related to levee and dam safety and associated projects. Their April news items were just published this week and there are several interesting items. Read on for more info.
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There are two issues here :
(1) Why this prophecy now, what credible seismic event/EQ was considered while designing the project layout, if presence of Calaveras Fault in vicinity as close as ~1.6km was known?
(2) Now with this info, what stabilisation strategy is being adopted/conceived to tackle this scenario?
thnks