Electronic Supplement to
Semiannual Earthquake Periodicity

by Patrick H. McClellan

Table S9. Solar Semiannual (Ssa) Phase of 5.5 < M < 7.0 Earthquakes in the Salton Trough and Laguna Salada Area from 1 January 1957 to 1 April 2014

Date	Time, UTC (hh:mm:ss.sss)	Latitude (°)	Longitude (°)	Magnitude*	Phase†
15 October 1979	23:17:00.000	32.82	−115.64	6.5	0.124
24 November 1987	13:15:57.000	33.07	−115.95	6.5	0.343
9 June 1980	03:28:22.000	32.27	−114.91	6.3	0.433
30 December 2009	18:48:57.700	32.44	−115.17	5.9	0.547
8 December 2001	23:36:10.660	32.04	−114.91	5.8	0.426
7 December 1976	13:00:00.000	32.01	−114.94	5.7	0.421
26 April 1981	12:09:29.000	33.12	−115.64	5.7	0.197

* Magnitude type as given in ANSS catalog.

^† Phase is the fraction of the cycle elapsed between bounding equinoxes.

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