Quake  Homepage

New Madrid 10/23/99

Solomon  10/19/99 

Southern Cal  10/16/99

 Alaska  10/13/99 

 Indonesia  10/10/99 

 Kamchatka 10/05/99

 Mexico  09/30/99 

 Taiwan  09/20/99 

 Turkey  08/17/99  

Mexico  06/15/1999

The following pages will show the detection times of recent worldwide earthquakes as recorded by Elfrad

Southern California 16Oct1999 09:46:50.3  34.7N 116.2W 33 MS=7.3 M                                                                                           

The "S" indicator points to the time of the actual event as recorded by seismologists. The "P" indicator points to the time of the first detected high amplitude transient chain in the frequency range  from .02 to .04 hertz. The time at this point was 127 minutes prior to the earthquake. The full stage alert occurred at 100 millivolts amplitude, peak to peak and occurred at 08:14:47 which was 92 minutes before the earth movement.

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