PSN-L Email List Message

Subject: Re: N.Calif event
From: Edward Cranswick cranswick@........
Date: Mon, 20 Mar 2000 22:24:15 -0700

    Check out these files:
    N.Calif event recorded by Larry's accelerometer in Redwood City.
        (error in annotation indicates velocity: CM/S)
    Same as above, integrated to velocity
        (error in annotation indicates displacement: CM)
   Same as above, integrated to velocity, and high-passed at 0.01 Hz
        (error in annotation indicates displacement: CM)


barry lotz wrote:

>  Hi
>     I've uploaded a new event file for a small vertical "strong motion"
> accelerometer. I'm not to familiar with acceleration recording accept
> that I realize the frequency content is a higher. I increased my sample
> rate for the Lehman and this sensor to 50 hz. I was surprised to get
> little long period content in this  recording. Is this common for
> accelerations? . . .

Edward Cranswick                Tel: 303-273-8609
US Geological Survey, MS 966    Fax: 303-273-8600
PO Box 25046, Federal Center    cranswick@........
Denver, CO 80225-0046  USA      E.M. Forster said, "Only connect".


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