Electronic Supplement to
Semiannual Earthquake Periodicity

by Patrick H. McClellan

Table S6. Solar Semiannual (Ssa) Phase of M ≥ 5.5 Earthquakes in the Transverse Ranges from 1 January 1850 to 1 April 2014

Date Time, GMT (hh:mm:ss.ss)* Latitude (°) Longitude (°) Magnitude† Phase‡
9 January 1857 16:24:99.9900 36.20000 −120.8000 7.90 −0.389
21 July 1952 11:52:14.5400 34.9582 −118.998 7.50 −0.341
21 April 1918 22:32:25.0000 33.7500 −117.000 6.80 0.169
29 June 1925 14:42:16.0000 34.3000 −119.800 6.80 −0.461
25 December 1899 12:25:99.9900 33.8000 −117.000 6.70 −0.484
17 January 1994 12:30:55.3900 34.2130 −118.537 6.65 −0.345
9 February 1971 14:00:41.9200 34.4160 −118.370 6.60 −0.220
22 July 1899 20:32:99.9900 34.3000 −117.500 6.40 −0.335
11 March 1933 01:54:9.3400 33.6308 −117.999 6.40 −0.056
16 January 1857 99:99:99.9900 34.5200 −118.040 6.30 −0.351
30 July 1894 05:12:99.9900 34.3000 −117.600 6.20 −0.294
23 July 1923 07:30:26.0000 34.0000 −117.250 6.20 −0.337
31 May 1854 12:50:99.9900 34.4500 −119.700 6.00 0.384
11 July 1855 04:15:99.9900 34.1000 −118.100 6.00 −0.399
16 December 1858 10:00:99.9900 34.2000 −117.400 6.00 0.465
15 May 1910 15:47:99.9900 33.7000 −117.400 6.00 0.296
12 April 1880 04:30:99.9900 34.7000 −118.400 5.90 0.123
19 December 1880 23:35:99.9900 34.0000 −117.000 5.90 0.491
1 October 1987 14:42:20.0200 34.0610 −118.079 5.89 0.044
5 September 1883 12:30:99.9900 34.9000 −119.300 5.80 −0.096
4 April 1893 19:40:99.9900 34.3000 −118.600 5.80 0.083
19 May 1893 00:35:99.9900 34.1000 −119.400 5.80 0.320
20 September 1907 01:54:99.9900 34.2000 −117.100 5.80 −0.022
4 September 1981 15:50:48.7000 33.5575 −119.120 5.80 −0.099
13 August 1978 22:54:52.9100 34.3137 −119.706 5.78 −0.217
16 February 1919 15:57:99.9900 34.9000 −119.200 5.70 −0.183
28 February 1990 23:43:36.7500 34.1440 −117.697 5.67 −0.110
28 June 1991 14:43:54.6600 34.2700 −117.993 5.63 −0.466
10 January 1857 06:40:99.9900 34.7600 −118.710 5.60 −0.386
28 August 1889 02:15:99.9900 34.2000 −117.900 5.60 −0.138
7 April 1885 10:30:99.9900 35.0000 −119.500 5.50 0.097
14 June 1892 13:25:99.9900 34.2000 −117.500 5.50 0.464
23 October 1916 02:44:99.9900 34.8500 −119.000 5.50 0.165
5 September 1928 14:42:00.9900 35.0000 −117.000 5.50 −0.095

* 99 denotes the time unit value is unavailable.

† Magnitude type as given in the UCERF3 catalog.

‡ Phase is the fraction of the cycle elapsed between bounding equinoxes.

§ The M 7.9 Fort Tejon earthquake in 1857 is included below for reference in the Case S1 discussion (see also Fig. S2).

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