Source mechanism of the 23 October, 2011, Van (Turkey) earthquake ( M w = 7.1) and aftershocks with its tectonic implications

Earth, Planets and Space

Table 3 First motion results of the focal mechanism of the studied earthquakes.

No	Date	Origin time	Location (°)	ERH	ERZ	Depth	Mag	Strike	Dip	Rake
	(dd/mm/yy)	(hr:mm:s)	Lat.-Lon.	(km)	(km)	(km)
1	23/10/11	10:41:21	38.7188–43.3367	3.3	1.8	15.0	7.1*	246	46	59
2	23/10/11	20:45:34	38.6345–43.0775	2.7	0.5	5.0	5.7⁺	248	71	90
3	09/11/11	19:23:34	38.4295–43.2342	2.6	0.5	5.8	5.6⁺	223	55	63
4	08/11/11	22:05:50	38.7241–43.0870	0.9	0.5	4.3	5.5⁺	203	59	−88
5	25/10/11	14:55:08	38.7733–43.5468	3.2	1.0	5.0	5.4⁺	38	41	−54
6	29/10/11	22:42:22	38.8985–43.5503	0.9	0.2	5.0	5.3⁺	165	60	−56
7	23/10/11	18:10:45	38.6980–43.3873	3.5	0.5	5.0	5.0⁺	289	82	35
8	23/10/11	18:53:48	38.4072–43.3383	3.3	1.4	5.0	4.9⁺	219	57	25
9	23/10/11	19:06:06	38.7868–43.2960	3.7	0.8	5.0	4.9⁺	228	64	−90
10	06/11/11	02:43:12	38.9243–43.5650	1.2	0.3	5.0	4.9⁺	169	57	−54
11	02/11/11	04:43:20	38.8735–43.5695	1.3	0.3	5.0	4.8⁺	171	58	−61
12	09/11/11	22:38:18	38.4508–43.2085	1.9	0.7	5.0	4.5⁺	238	43	90
13	23/10/11	19:43:25	38.7835–43.3447	4.1	0.9	5.0	4.4⁺	223	68	−90
14	24/10/11	22:13:31	38.7710–43.1790	1.2	0.4	2.1	4.4⁺	183	63	−90
15	24/10/11	18:52:16	38.7263–43.2247	1.9	0.4	2.5	4.2⁺	50	41	−49
16	25/10/11	03:28:51	38.8368–43.6687	8.9	1.9	2.2	3.7⁺	283	57	43
17	25/10/11	00:16:40	38.5482–43.1103	3.7	1.4	5.0	3.7⁺	126	74	−34
18	24/10/11	20:15:49	38.8840–43.4742	0.9	0.3	5.0	3.6⁺	259	56	36
19	25/10/11	00:26:26	38.8977–43.4658	4.0	0.9	5.0	3.6⁺	285	57	42
20	24/10/11	16:24:19	38.9192–43.5143	0.4	0.1	3.7	3.6⁺	289	56	43
21	25/10/11	02:39:38	38.7445–43.2055	1.3	0.5	4.0	3.5⁺	115	61	146
22	30/11/11	00:47:21	38.5090–43.4058	2.6	1.2	2.8	5.0⁺	174	81	−32

ERH: Horizontal error, ERZ: Vertical error, ^*Moment magnitude (M_w) obtained by waveform inversion, ⁺Local magnitude (M_L).