Table 1 Seismo-climatic properties and indices before and after blocking episodes
No. | Blocking event properties | 14-day seismicity before blocking episode | 14-day seismicity after blocking episode | Seismo-climatic index | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Time period | Genesis longitude | Wiedenmann index | Selected episode | Earthquake frequency | Mean magnitude | Maximum magnitude | Earthquake frequency | Mean magnitude | Maximum magnitude | ||
1 | 2000/01/21–2000/01/26 | 70 | 4.17 | 2000/01/25 | 2 | 4.1 | 4.6 | 6 | 4.5 | 5.3 | 3.29 |
2 | 2000/04/28–2000/05/03 | 15 | 2.32 | 2000/05/03 | 2 | 3.8 | 4.1 | 9 | 4.3 | 5.1 | 5.09 |
3 | 2000/05/12–2000/05/18 | 65 | 2.17 | 2000/05/03 | 4 | 4.2 | 4.5 | 8 | 4.0 | 4.4 | 1.90 |
4 | 2000/10/06–2000/10/14 | 40 | 2.30 | 2000/10/18 | 2 | 4.6 | 4.7 | 5 | 4.2 | 5.3 | 2.28 |
5 | 2000/10/16–2000/10/21 | 25 | 3.19 | 2000/10/21 | 2 | 4.7 | 4.7 | 5 | 4.2 | 5.3 | 2.23 |
6 | 2000/11/06–2000/11/11 | 45 | 2.70 | 2000/11/11 | 3 | 4.2 | 4.9 | 17 | 4.6 | 6.8 | 6.21 |
7 | 2001/04/24–2001/05/06 | 50 | 2.39 | 2001/05/06 | 2 | 4.2 | 4.2 | 5 | 4.2 | 4.5 | 2.50 |
8 | 2001/07/09–2001/07/23 | 35 | 2.63 | 2001/07/23 | 2 | 4.0 | 4.0 | 2 | 4.2 | 4.2 | 1.05 |
9 | 2001/10/15–2001/10/25 | 10 | 3.33 | 2001/10/16 | 3 | 4.3 | 4.9 | 5 | 4.5 | 4.6 | 1.74 |
10 | 2001/11/28–2001/12/01 | 50 | 3.12 | 2001/11/29 | 8 | 4.1 | 5.0 | 10 | 4.4 | 4.7 | 1.34 |
11 | 2002/04/02–2002/04/08 | 15 | 2.37 | 2002/04/08 | 10 | 4.4 | 5.2 | 12 | 4.3 | 5.3 | 1.17 |
12 | 2002/04/25–2002/05/05 | 30 | 2.60 | 2002/04/25 | 7 | 4.4 | 5.3 | 20 | 4.4 | 5.4 | 2.86 |
13 | 2002/05/23–2002/06/01 | 30 | 3.46 | 2002/06/01 | 7 | 4.2 | 4.7 | 13 | 4.3 | 5.0 | 1.90 |
14 | 2002/06/03–2002/06/13 | 20 | 2.43 | 2002/06/13 | 7 | 4.0 | 4.5 | 21 | 4.5 | 6.5 | 3.38 |
15 | 2002/07/30–2002/08/08 | 50 | 2.56 | 2002/07/30 | 4 | 4.1 | 4.5 | 5 | 4.2 | 4.4 | 1.28 |
16 | 2002/08/15–2002/08/28 | 20 | 2.37 | 2002/08/24 | 7 | 4.2 | 4.4 | 10 | 4.3 | 5.2 | 1.46 |
17 | 2002/12/26–2003/01/28 | 10 | 4.30 | 2002/12/30 | 2 | 4.9 | 5.2 | 10 | 4.5 | 4.8 | 4.59 |
18 | 2003/02/06–2003/02/11 | 50 | 3.15 | 2003/02/11 | 1 | 4.6 | 4.6 | 3 | 4.6 | 5.6 | 3.00 |
19 | 2003/02/11–2003/02/28 | 10 | 4.79 | 2003/02/27 | 2 | 4.2 | 4.2 | 9 | 4.4 | 4.7 | 4.71 |
20 | 2003/04/02–2003/04/07 | 60 | 3.14 | 2003/04/07 | 3 | 4.3 | 4.6 | 3 | 4.3 | 4.6 | 1.00 |
21 | 2003/04/15–2003/04/24 | 10 | 4.22 | 2003/04/24 | 2 | 4.3 | 4.5 | 12 | 4.3 | 6.4 | 6.00 |
22 | 2003/06/01–2003/06/10 | 10 | 2.27 | 2003/06/10 | 4 | 4.3 | 4.7 | 3 | 4.0 | 4.5 | 0.70 |
23 | 2003/11/01–2003/11/06 | 50 | 2.95 | 2003/11/06 | 4 | 4.7 | 5.0 | 7 | 4.4 | 4.8 | 1.64 |
24 | 2003/11/05–2003/11/16 | 10 | 4.21 | 2003/11/16 | 4 | 4.5 | 4.7 | 11 | 4.6 | 5.1 | 2.81 |
25 | 2003/11/27–2003/12/04 | 30 | 3.51 | 2003/12/04 | 6 | 4.3 | 4.7 | 3 | 4.4 | 5.0 | 0.51 |
26 | 2003/12/16–2003/12/21 | 70 | 2.15 | 2003/12/18 | 4 | 4.6 | 5.1 | 28 | 4.3 | 6.6 | 6.54 |
27 | 2003/12/28–2004/01/05 | 30 | 2.20 | 2004/01/05 | 13 | 3.6 | 4.6 | 21 | 4.2 | 5.2 | 1.88 |
28 | 2004/01/14–2004/01/20 | 70 | 3.07 | 2004/01/18 | 7 | 4.2 | 5.2 | 11 | 4.4 | 5.2 | 1.65 |
29 | 2004/04/14–2004/04/22 | 10 | 2.31 | 2004/04/08 | 5 | 4.1 | 4.3 | 5 | 4.5 | 4.6 | 1.10 |
30 | 2004/04/29–2004/05/08 | 10 | 3.11 | 2004/05/08 | 4 | 4.3 | 4.6 | 6 | 4.2 | 5.0 | 1.47 |
31 | 2004/05/12–2004/05/23 | 70 | 3.13 | 2004/05/20 | 5 | 4.0 | 4.4 | 34 | 3.9 | 6.3 | 6.63 |
32 | 2004/06/25–2004/07/12 | 60 | 2.01 | 2004/07/12 | 6 | 4.3 | 5.1 | 15 | 4.1 | 5.1 | 2.38 |
33 | 2004/07/12–2004/07/24 | 50 | 2.31 | 2004/07/14 | 4 | 4.0 | 4.5 | 13 | 4.1 | 5.1 | 3.33 |
34 | 2004/07/26–2004/08/10 | 50 | 2.47 | 2004/07/30 | 7 | 4.2 | 5.1 | 14 | 4.3 | 5.0 | 2.05 |
35 | 2004/08/27–2004/09/15 | 30 | 2.91 | 2004/08/31 | 7 | 4.1 | 4.7 | 11 | 4.3 | 4.7 | 1.65 |
36 | 2004/11/02–2004/11/13 | 20 | 2.24 | 2004/11/06 | 5 | 3.9 | 4.9 | 17 | 3.9 | 4.7 | 3.40 |
37 | 2004/11/21–2004/11/26 | 70 | 3.56 | 2004/11/21 | 9 | 4.1 | 4.8 | 21 | 4.0 | 5.2 | 2.28 |
38 | 2005/02/18–2005/03/18 | 30 | 3.46 | 2005/02/22 | 5 | 3.6 | 4.6 | 30 | 4.0 | 6.4 | 6.67 |
39 | 2005/05/10–2005/05/25 | 60 | 2.96 | 2005/05/12 | 8 | 3.7 | 4.9 | 15 | 4.2 | 5.2 | 2.13 |
40 | 2005/08/05–2005/08/14 | 40 | 2.41 | 2005/08/07 | 8 | 3.8 | 4.4 | 12 | 4.1 | 5.1 | 1.62 |
41 | 2005/08/18–2005/09/01 | 10 | 2.72 | 2005/08/28 | 6 | 4.2 | 4.6 | 9 | 4.2 | 4.8 | 1.50 |
42 | 2005/09/17–2005/09/23 | 70 | 2.16 | 2005/09/23 | 5 | 4.2 | 4.7 | 7 | 4.4 | 5.2 | 1.47 |
43 | 2005/10/04–2005/10/16 | 10 | 3.95 | 2005/09/23 | 2 | 4.0 | 4.2 | 3 | 4.1 | 4.7 | 1.54 |
44 | 2005/11/17–2005/11/23 | 60 | 3.24 | 2005/11/18 | 8 | 3.8 | 4.5 | 28 | 4.3 | 5.9 | 3.96 |
45 | 2005/11/27–2005/12/07 | 10 | 3.09 | 2005/11/27 | 8 | 4.3 | 5.1 | 30 | 4.3 | 5.9 | 3.75 |
46 | 2005/12/18–2005/12/23 | 70 | 4.32 | 2005/12/23 | 4 | 3.8 | 4.1 | 23 | 3.7 | 5.0 | 5.60 |
47 | 2006/05/30–2006/06/10 | 30 | 3.67 | 2006/06/03 | 8 | 3.7 | 4.2 | 17 | 4.0 | 5.1 | 2.30 |
48 | 2006/06/18–2006/06/25 | 30 | 2.40 | 2006/06/23 | 7 | 3.7 | 4.4 | 26 | 4.0 | 5.8 | 4.02 |
49 | 2006/09/06–2006/09/11 | 70 | 2.33 | 2006/09/10 | 3 | 4.0 | 4.8 | 15 | 4.0 | 5.0 | 5.00 |
50 | 2006/09/10–2006/09/18 | 10 | 2.88 | 2006/09/14 | 10 | 4.0 | 5.0 | 18 | 3.8 | 4.9 | 1.71 |
51 | 2006/09/21–2006/09/28 | 10 | 2.55 | 2006/09/23 | 11 | 4.0 | 4.9 | 15 | 3.8 | 4.9 | 1.30 |
52 | 2006/10/09–2006/10/20 | 10 | 2.64 | 2006/10/17 | 8 | 4.3 | 5.3 | 13 | 3.9 | 4.6 | 1.47 |
53 | 2006/11/26–2006/12/06 | 20 | 3.15 | 2006/12/06 | 6 | 3.9 | 4.4 | 11 | 4.0 | 4.8 | 1.88 |
54 | 2007/03/20–2007/03/31 | 40 | 3.80 | 2007/03/24 | 11 | 4.2 | 5.7 | 12 | 3.9 | 5.0 | 1.01 |
55 | 2007/04/18–2007/04/24 | 60 | 3.37 | 2007/04/20 | 6 | 4.2 | 4.6 | 26 | 4.1 | 5.2 | 4.23 |
56 | 2007/04/25–2007/05/05 | 10 | 3.10 | 2007/04/25 | 14 | 3.9 | 4.6 | 19 | 4.2 | 5.2 | 1.46 |
57 | 2007/07/02–2007/07/08 | 60 | 2.18 | 2007/07/08 | 5 | 4.1 | 5.0 | 5 | 4.3 | 5.2 | 1.05 |
58 | 2007/07/11–2007/07/18 | 70 | 2.49 | 2007/07/16 | 4 | 4.0 | 5.2 | 6 | 4.2 | 5.0 | 1.58 |
59 | 2007/08/05–2007/08/11 | 20 | 2.63 | 2007/08/08 | 3 | 4.1 | 4.4 | 9 | 4.1 | 4.7 | 3.00 |
60 | 2007/08/16–2007/08/22 | 50 | 2.22 | 2007/08/20 | 8 | 4.1 | 4.8 | 18 | 4.2 | 5.3 | 2.30 |
61 | 2007/10/24–2007/11/13 | 20 | 2.30 | 2007/11/08 | 4 | 4.1 | 4.4 | 8 | 4.1 | 4.7 | 2.00 |
62 | 2007/12/04–2007/12/14 | 50 | 2.78 | 2007/12/09 | 7 | 3.7 | 4.3 | 12 | 3.7 | 4.6 | 1.71 |
63 | 2007/12/26–2008/01/01 | 50 | 2.52 | 2007/12/29 | 8 | 3.8 | 4.4 | 11 | 3.8 | 4.6 | 1.38 |
64 | 2008/01/14–2008/01/23 | 30 | 2.29 | 2008/01/23 | 6 | 4.0 | 4.5 | 17 | 3.9 | 4.9 | 2.76 |
65 | 2008/01/31–2008/02/09 | 10 | 5.99 | 2008/01/31 | 12 | 3.9 | 4.4 | 14 | 3.9 | 4.9 | 1.17 |
66 | 2008/03/26–2008/04/01 | 60 | 3.04 | 2008/03/26 | 11 | 4.0 | 4.8 | 9 | 4.0 | 4.8 | 0.82 |
67 | 2008/04/03–2008/04/11 | 40 | 2.29 | 2008/04/11 | 4 | 3.7 | 4.0 | 10 | 3.9 | 4.7 | 2.64 |
68 | 2008/05/27–2008/06/15 | 20 | 2.69 | 2008/06/15 | 3 | 3.8 | 4.1 | 17 | 3.9 | 4.6 | 5.82 |
69 | 2008/06/29–2008/07/08 | 20 | 3.30 | 2008/07/08 | 7 | 4.0 | 5.2 | 15 | 3.9 | 4.6 | 2.09 |
70 | 2008/07/02–2008/07/10 | 20 | 2.44 | 2008/07/10 | 6 | 4.1 | 5.2 | 15 | 3.8 | 4.6 | 2.32 |
71 | 2008/10/26–2008/11/03 | 40 | 3.02 | 2008/11/03 | 21 | 4.1 | 5.4 | 13 | 3.8 | 4.9 | 0.57 |
72 | 2008/12/12–2008/12/20 | 30 | 2.62 | 2008/12/20 | 5 | 3.9 | 4.4 | 11 | 4.3 | 5.8 | 2.43 |
73 | 2009/01/29–2009/02/03 | 10 | 3.96 | 2009/01/29 | 1 | 4.1 | 4.1 | 3 | 4.4 | 5.1 | 3.22 |
74 | 2009/02/15–2009/02/27 | 50 | 3.59 | 2009/02/27 | 3 | 4.8 | 5.1 | 3 | 4.4 | 4.7 | 0.92 |
75 | 2009/04/09–2009/04/21 | 20 | 2.88 | 2009/04/25 | 3 | 4.3 | 4.7 | 5 | 4.4 | 4.6 | 1.71 |
76 | 2009/04/23–2009/05/03 | 10 | 3.49 | 2009/05/03 | 3 | 4.7 | 5.2 | 6 | 4.4 | 5.0 | 1.87 |
77 | 2009/06/11–2009/06/19 | 50 | 2.28 | 2009/06/03 | 1 | 3.8 | 3.8 | 3 | 4.5 | 4.9 | 3.55 |
78 | 2009/07/23–2009/08/02 | 60 | 2.02 | 2009/08/02 | 3 | 4.8 | 5.3 | 3 | 4.3 | 4.5 | 0.90 |
79 | 2009/08/03–2009/08/12 | 20 | 2.04 | 2009/08/12 | 3 | 4.3 | 4.5 | 3 | 4.3 | 4.7 | 1.00 |
80 | 2009/11/12–2009/11/20 | 50 | 2.76 | 2009/11/13 | 2 | 4.5 | 5.0 | 3 | 4.5 | 4.9 | 1.50 |
81 | 2009/11/31–2009/12/10 | 20 | 3.76 | 2009/12/10 | 1 | 4.4 | 4.4 | 3 | 4.7 | 4.9 | 3.20 |
82 | 2009/12/01–2009/12/11 | 40 | 3.00 | 2009/12/11 | 1 | 4.6 | 4.6 | 2 | 4.8 | 4.9 | 2.09 |
83 | 2010/01/04–2010/01/18 | 70 | 2.34 | 2010/01/10 | 2 | 4.9 | 5.0 | 10 | 4.5 | 5.0 | 4.59 |
84 | 2010/02/01–2010/02/07 | 50 | 3.25 | 2010/02/07 | 3 | 4.6 | 4.9 | 5 | 4.3 | 4.6 | 1.56 |
85 | 2010/02/09–2010/02/14 | 50 | 3.38 | 2010/02/14 | 4 | 4.4 | 4.6 | 6 | 4.6 | 5.2 | 1.57 |
86 | 2010/04/19–2010/04/26 | 70 | 2.68 | 2010/04/19 | 3 | 4.5 | 4.7 | 5 | 4.5 | 5.0 | 1.67 |
87 | 2010/04/29–2010/05/11 | 60 | 2.76 | 2010/05/11 | 1 | 4.0 | 4.0 | 5 | 4.4 | 5.1 | 5.50 |
88 | 2010/05/02–2010/05/24 | 40 | 3.08 | 2010/05/24 | 3 | 4.0 | 4.1 | 5 | 4.4 | 4.8 | 1.83 |
89 | 2010/07/04–2010/07/30 | 20 | 2.44 | 2010/07/20 | 3 | 4.2 | 4.5 | 7 | 4.9 | 5.8 | 2.72 |
90 | 2010/08/31–2010/09/16 | 45 | 2.50 | 2010/09/08 | 4 | 4.7 | 5.2 | 6 | 4.3 | 4.7 | 1.37 |
91 | 2010/10/09–2010/10/19 | 10 | 3.83 | 2010/10/19 | 2 | 4.4 | 4.6 | 6 | 4.4 | 4.6 | 3.00 |
92 | 2010/11/29–2010/12/04 | 20 | 2.03 | 2010/11/29 | 6 | 4.3 | 5.5 | 3 | 4.5 | 4.9 | 0.52 |
93 | 2010/12/11–2010/12/16 | 70 | 4.69 | 2010/12/16 | 2 | 4.4 | 4.8 | 12 | 4.5 | 6.7 | 6.14 |
94 | 2010/12/19–2011/01/22 | 10 | 4.73 | 2011/01/18 | 2 | 4.6 | 5.1 | 18 | 4.7 | 7.2 | 9.20 |
95 | 2011/03/01–2011/03/09 | 20 | 4.46 | 2011/03/09 | 5 | 4.6 | 5.3 | 7 | 4.3 | 4.8 | 1.31 |
96 | 2011/03/16–2011/03/23 | 20 | 4.38 | 2011/03/23 | 10 | 4.3 | 4.8 | 9 | 4.1 | 4.6 | 0.86 |
97 | 2011/05/04–2011/05/12 | 40 | 2.77 | 2011/05/08 | 2 | 4.1 | 4.1 | 4 | 4.5 | 4.9 | 2.20 |
98 | 2011/06/22–2011/07/02 | 50 | 2.27 | 2011/07/01 | 4 | 4.6 | 5.2 | 5 | 4.2 | 4.4 | 1.14 |
99 | 2011/07/20–2011/07/27 | 50 | 2.40 | 2011/07/27 | 5 | 4.5 | 5.0 | 9 | 4.3 | 4.8 | 1.72 |
100 | 2011/08/17–2011/08/24 | 30 | 2.13 | 2011/08/24 | 2 | 4.4 | 4.9 | 5 | 4.4 | 4.7 | 2.50 |
101 | 2011/09/08–2011/09/21 | 50 | 2.95 | 2011/09/21 | 3 | 4.4 | 4.6 | 6 | 4.3 | 5.5 | 1.95 |
102 | 2011/09/28–2011/10/03 | 10 | 3.65 | 2011/10/03 | 5 | 4.1 | 4.3 | 4 | 4.3 | 4.9 | 0.84 |
103 | 2011/10/08–2011/10/16 | 50 | 2.26 | 2011/10/11 | 2 | 4.1 | 4.2 | 7 | 4.6 | 5.2 | 3.93 |
104 | 2011/10/22–2011/10/29 | 20 | 3.38 | 2011/10/22 | 5 | 4.6 | 5.2 | 118 | 4.4 | 7.1 | 22.57 |
105 | 2011/11/30–2011/12/20 | 20 | 3.99 | 2011/12/08 | 6 | 4.6 | 4.9 | 11 | 4.3 | 4.9 | 1.71 |
106 | 2012/01/06–2012/01/12 | 60 | 3.69 | 2012/01/11 | 7 | 4.6 | 5.2 | 11 | 4.5 | 5.1 | 1.54 |
107 | 2012/01/17–2012/01/29 | 60 | 3.61 | 2012/01/17 | 9 | 4.5 | 5.2 | 6 | 4.4 | 5.1 | 0.65 |
108 | 2012/02/11–2012/02/20 | 60 | 3.02 | 2012/02/20 | 4 | 4.6 | 4.7 | 9 | 4.5 | 5.2 | 2.20 |
109 | 2012/02/31–2012/03/09 | 70 | 4.58 | 2012/03/09 | 6 | 4.5 | 5.1 | 9 | 4.4 | 4.7 | 1.47 |
110 | 2012/04/13–2012/04/19 | 60 | 2.86 | 2012/04/18 | 6 | 4.2 | 4.6 | 33 | 4.5 | 5.1 | 5.89 |
111 | 2012/04/27–2012/05/02 | 30 | 3.15 | 2012/05/02 | 9 | 4.4 | 4.7 | 15 | 4.5 | 5.6 | 1.70 |
112 | 2012/05/15–2012/05/22 | 50 | 2.68 | 2012/05/18 | 13 | 4.3 | 5.1 | 9 | 4.4 | 5.1 | 0.71 |
113 | 2012/07/17–2012/08/03 | 70 | 2.57 | 2012/08/02 | 5 | 4.5 | 5.2 | 30 | 4.5 | 6.4 | 6.00 |
114 | 2012/12/08–2012/12/20 | 50 | 3.68 | 2012/12/20 | 2 | 4.3 | 4.5 | 3 | 4.8 | 5.2 | 1.67 |
115 | 2013/02/01–2013/02/08 | 70 | 2.89 | 2013/02/08 | 2 | 4.4 | 4.5 | 4 | 4.1 | 4.4 | 1.86 |
116 | 2013/02/08–2013/02/14 | 50 | 3.52 | 2013/02/12 | 2 | 4.4 | 4.5 | 6 | 4.1 | 4.4 | 2.80 |
117 | 2013/04/02–2013/04/08 | 60 | 2.76 | 2013/04/08 | 3 | 4.2 | 4.5 | 63 | 4.5 | 7.8 | 22.50 |
118 | 2013/05/06–2013/05/23 | 30 | 2.51 | 2013/05/11 | 13 | 4.4 | 5.2 | 55 | 4.5 | 6.1 | 4.33 |
119 | 2013/05/25–2013/06/07 | 50 | 3.36 | 2013/05/31 | 4 | 4.6 | 5.2 | 6 | 4.2 | 4.6 | 1.37 |
120 | 2013/06/21–2013/07/05 | 60 | 2.72 | 2013/06/21 | 2 | 4.3 | 4.5 | 5 | 4.2 | 4.3 | 2.44 |
121 | 2013/09/06–2013/09/21 | 20 | 2.51 | 2013/09/21 | 9 | 4.3 | 5.0 | 51 | 4.6 | 7.7 | 6.06 |
– | Mean values | – | 3.00 | – | 5 | 4.23 | 4.72 | 13 | 4.27 | 5.13 | 2.88 |