Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!attctc!royf
From: royf@attctc.Dallas.TX.US (Roy Frederick)
Newsgroups: comp.graphics
Subject: Re: seismograms of the 10-17-89 San Francisco Bay quake (forwarded)
Summary: displacement vs time
Message-ID: <9873@attctc.Dallas.TX.US>
Date: 26 Oct 89 01:49:25 GMT
References: <126727@sun.Eng.Sun.COM> <3512@ur-cc.UUCP>
Organization: The Unix(R) Connection, Dallas, Texas
Lines: 11

> This may be obvious to everyone else, but I am confused: what are the plots
> of?? I assume the horizontal axis is time, but the vertical axes baffle me.
> Does anyone know what they are?

Seismograms are normally displacement vs time.  Some are velocity against
time but this is uncommon.

Roy Frederick (royf@attctc.UUCP)
Dallas County Data Services  (214) 653-6340
504 Records Bldg.
Dallas, TX 75202