Electronic Supplement to
The Source of the 30 October 1930, Mw 5.8, Senigallia (Central Italy) Earthquake: A Convergent Solution from Instrumental, Macroseismic and Geological Data

by Paola Vannoli, Gianfranco Vannucci, Fabrizio Bernardi, Barbara Palombo, and Graziano Ferrari

Table S1. All Available Focal Mechanisms and Their Parameters

Date yyyy/mm/dd Time hh:mm Latitude (H/C)
(°)		 Longitude (H/C)
(°)		 Depth (H/C) km Magnitude* Nodal Plane 1 Nodal Plane 2 P Axis T Axis FM† Pref. (Y/N)‡ References§
Type Va MwP Strike (°) Dip (°) Rake (°) Strike (°) Dip (°) Rake (°) Trend (°) Plunge (°) Trend (°) Plunge (°)
1972/02/04 02:42 43.72 13.44 25 M 4.5 4.8 216.22 66.65 −147.49 112.04 60.43 −27.11 76 39 343 4 image Y GAS (from EMMA)
1972/02/04 09:18 43.73 13.37 25 M 4.3 4.64 319.11 83.98 48.44 222.37 41.92 170.97 81 27 193 37 image Y
1972/02/04 17:19 43.72 13.36 2 M 4 4.39 225.29 63.04 −164.90 128.32 76.57 −27.78 84 29 179 9 image Y
1972/02/05 01:26 43.72 13.4 17 M 4.3 4.64 246.01 35.29 −166.97 145.31 82.51 −55.41 88 42 208 29 image Y
1972/02/06 01:34 43.71 13.43 30 M 4.3 4.64 212.20 80.97 −143.29 115.53 53.82 −11.21 80 32 339 18 image Y
1972/06/14 18:55 43.69 13.47 3 M 4.5 4.8 34.62 70.94 −170.48 301.48 81.00 −19.30 257 20 349 7 image Y
1991/12/15 22:32 43.633 13.067 9.3 Md 3.4 3.91 103.41 30.43 59.07 318.20 64.25 106.8 36 17 258 66 image Y FRE (from EMMA)
1992/04/12 08:19 43.65 12.667 3.5 Md 3.1 3.66 9.5 35.12 0 279.5 90 125.12 340 35 219 35 image Y
1993/04/06 22:55 43.6 12.6 28 Md 3.2 3.74 59.86 65.02 −29.65 163.38 63.36 −151.80 21 38 112 1 image Y
1993/11/28 10:41 43.767 12.817 26 Md 3.3 3.82 19.5 35.12 0 109.5 90 −125.12 350 35 229 35 image Y
1995/05/30 03:36 43.433 12.65 2 Md 3.8 4.23 94.59 59.71 −49.27 214.95 49.13 −138.16 58 55 157 6 image Y
1995/05/30 05:39 43.4 12.7 4 Md 3.8 4.23 99.52 65.65 −20.28 198.18 71.59 −154.25 60 31 328 4 image Y
1995/05/30 22:11 43.417 12.733 6.6 Md 3.2 3.74 115 40 −10 212.69 83.59 −129.57 87.63 38.36 333.23 27.56 image Y
1995/10/13 19:03 43.4 12.633 24.9 Md 3.2 3.74 79.78 79.72 160.46 173.41 70.78 10.9 128 6 35 21 image Y
1996/06/28 — 43.769 12.995 27.5 Md 3.4 3.91 155 40 110 309.59 52.84 73.99 50.91 6.58 167.7 75.65 image Y SAN (from EMMA)
2000/06/25 — 43.886 13.147 5 Md 3.5 3 130 90 −50 220 40 −180 72.73 32.8 187.27 32.8 image Y
2000/06/27 — 43.883 13.2 5 Md 3.4 3.91 115 85 40 20.82 50.18 173.48 241.06 23.03 345.83 30.96 image Y
2006/04/10 19:03 43.4
43.41		 13.49
13.65		 33
21.3		 Mb 4.1 4.05 89 71 −169 355 80 −20 311 21 43 6 image Y RCMT
2006/10/21 07:04 43.65
43.61		 13
12.99		 36
24.4		 Mb 4.3 4.21 34 60 12 298 80 150 349 13 252 28 image Y
2009/09/20 03:50 43.44
43.47		 13.44
13.41		 18
32.6		 Mb 4.6 4.63 19 84 −5 110 85 −174 334 8 244 0 image Y
2013/06/13 05:44 43.58
43.47		 13.87
13.84		 15
13		 Mb 3.9 4.11 146 34 98 316 57 85 50 12 210 78 image Y QRCMT
2013/07/21 01:32 43.5
43.51		 13.67
13.77		 15
10		 Mb 4.9 5.09 92 48 27 343 70 135 42 13 299 45 image Y
2013/07/21 03:07 43.52
43.52		 13.71
13.71		 15
10		 Mb 4 4.07 261 67 25 161 67 154 211 0 121 34 image Y
2013/08/22 06:44 43.58
43.53		 13.8
13.72		 15
10		 Mb 4.4 4.39 155 39 102 320 52 81 56 7 189 80 image Y
2011/05/04 19:46 43.768 12.658 37.4
39		 Ml 3.3 3.3 112.54 55.26 −151.4 5.28 66.8 −38.31 324.56 42.93 61.28 7.17 image Y TDMT
2013/06/13 05:44 43.583 13.868 6
14		 Ml 3.85 3.82 74 83 −33 169 57 −172 26.16 27.93 125.62 17.222 image N
2013/07/21 01:32 43.501 13.668 8.4
10		 Ml 4.91 4.94 261.4 67.33 −19.57 359.2 72 −156.09 221.29 29.41 129.54 3.096 image N
2013/08/22 06:44 43.583 13.804 7.9
5		 Ml 4.39 4.23 140 45 96 311 45 84 45.76 0.16 137.88 85.758 image N
2014/04/29 22:26 43.991 12.989 33.9 Ml 3.52 3.46 7.89 21.55 76.25 312.62 69.1 95.36 38.48 23.92 231.79 65.5 image Y
2014/08/09 21:23 43.498 13.844 5.3 Ml 3.41 3.39 144.13 78.53 175.86 234.96 85.94 11.5 9.05 5.2 100.06 10 image Y
2013/07/21 01:32 43.5 13.67 8.4 Ms
Mb		 5.4
4.9		 5.11 119 38 76 316 53 100 39 8 266 79 image N GCMT

* Va, Magnitude original value; MwP, Mw Proxy (Gasperini et al., 2013a,b; Lolli et al., 2014).

† FM, the focal solution, scaled with the magnitude.

‡ Pref., preferred focal solution (Yes/No) when more than one focal mechanism is available for an earthquake.

§ References: Literature data available on the Earthquake Mechanisms of the Mediterranean Area (EMMA) database (Vannucci and Gasperini, 2003, 2004; Vannucci et al., 2010): FRE, Frepoli and Amato, 1997; GAS, Gasparini et al., 1985; SAN, Santini, 2003). QRCMT, Quick Regional Moment Tensors catalog, 2014; RCMT, European-Mediterranean Regional Centroid Moment Tensor catalog, 2014; TDMT, Time Domain Moment Tensor catalog, 2014; GCMT, Global Centroid Moment Tensor, 2014.

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