Electronic Supplement to
Semiannual Earthquake Periodicity

by Patrick H. McClellan

Table S19. Solar Semiannual (Ssa) Phase of M ≥ 7.6 Mainshocks along the Sunda Arc from 1 January 1900 to 1 April 2014

Date Time, UTC (hh:mm:ss.sss) Latitude (°) Longitude (°) Magnitude* Phase
26 December 2004 00:58:53.450 3.3 95.98 9.1 −0.475
1 February 1938 19:04:21.000 −5.05 131.62 8.6 −0.263
28 March 2005 16:09:37.000 2.05 97.06 8.6 0.044
11 April 2012 08:38:36.720 2.33 93.06 8.6 0.119
12 September 2007 11:10:26.000 −4.44 101.37 8.5 −0.059
19 August 1977 06:08:54.000 −11.13 118.38 8.3 −0.187
17 February 1996 05:59:32.000 −0.92 136.98 8.2 −0.177
26 May 1914 14:22:42.000 −2 137 7.9 −0.645
17 June 1996 11:22:19.000 −7.15 122.51 7.9 −0.522
28 December 1935 02:35:29.000 −0.35 98.15 7.8 −0.474
4 November 1963 01:17:05.000 −6.74 129.69 7.8 −0.772
12 December 1992 05:29:28.000 −8.5 121.83 7.8 −0.553
2 June 1994 18:17:38.000 −10.41 112.94 7.8 −0.604
4 June 2000 16:28:27.000 −4.76 102.03 7.8 −0.59
6 April 2010 22:15:01.580 2.38 97.05 7.8 0.092
25 October 2010 14:42:22.460 −3.49 100.08 7.8 0.18
26 June 1941 11:52:06.000 12.15 92.48 7.7 −0.477
10 January 1971 07:17:07.000 −3.23 139.74 7.7 −0.387
17 July 2006 08:19:27.000 −9.32 107.33 7.7 −0.364
3 January 2009 19:43:50.650 −0.41 132.89 7.7 −0.421
25 June 1914 19:07:18.000 −4.5 102.5 7.6 −0.483
13 January 1916 08:20:48.000 −3 135.5 7.6 −0.374
23 July 1943 14:53:09.000 −8.55 109.76 7.6 −0.334
6 November 1943 08:31:41.000 −5.45 134.2 7.6 −0.76
21 November 1969 02:05:35.000 1.97 94.57 7.6 −0.674
27 January 2006 16:58:53.000 −5.45 128.17 7.6 −0.288
30 September 2009 10:16:09.250 −0.72 99.87 7.6 0.042

* Magnitude type as given in ANSS catalog.

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

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