PSN-L Email List Message

Subject: Re: solar/lunar forces wrt quakes
From: ted@..........
Date: Wed, 13 Sep 2000 14:41:00 -0400

> However, from an operational point of view, I have found that the
> probability of earthquake occurrence is directly related to how broken
> or inoperable the seismic instrumentation to record it is.

Yes, this correlation is quite high in my experience as well.  In fact I
believe that the high concentration of properly functioning seismic
recording devices in the San Francisco Bay Area is providing an extremely
under-appreciated protective effect against a large quake occuring anywhere
in the area.  (Hey, it worked for Parkfield.)  Yet another reason to
continue (and, I say, increase!) funding for seismic research.  Much
cheaper than retrofitting all those bridges and buildings.

Regards, Ted


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Larry Cochrane <cochrane@..............>