Re: Lowell wins time part of first M3 contest
Posted by Lowell on May 07, 2002 at 07:28:05:

Chis's post non-verbally asks for an evaluation of how common
The current dry spell in the region of Southern California he has
Defined for the contest actually is.

As of this writing the dry spell had lasted 32.7 days since April
5 at 08:02 UT within the region of California bounded by
35N and 32.5N. The last period during which a period of this
length or longer occurred without a Ml>=3 in this region was
35 years ago and ended on Dec 1, 1967.
Following are the seismic droughts in this area which have
Been longer than the current period. The first number is the
Length of the drought in days, then the date of the beginning
Of the quiet period, the date of the end of the quiet period and
The magnitude and location of the event which ended the drought.


Interevent T MO DA YEAR
Days BEGIN END Ending Event

47.875070 NOV 15 1945 ==> JAN 01 1946 (Ml 3.3, San Diego)
41.580058 APR 10 1967 ==> MAY 21 1967 (Ml 3.1 Palm Springs)
39.211215 AUG 24 1958 ==> OCT 03 1958 (Ml 3.7 Santa Barbara)
37.976250 JAN 14 1958 ==> FEB 21 1958 (Ml 3.0, 3.2, Salton Sea)
36.682095 JUN 28 1966 ==> AUG 03 1966 (Ml 3.0 San Clemente Island)
35.898646 OCT 26 1967 ==> DEC 01 1967 (Ml 3.2 Off shore Islands So. Of L.A.)
33.648449 SEP 05 1957 ==> OCT 09 1957 (Ml 3.1 Lake Arrowhead)
33.387974 SEP 08 1960 ==> OCT 08 1960 (Ml 3.2 Hector Mine area)
32.733484 APR 27 1965 ==> MAY 30 1965 (Ml 3.1 Simi Valley)