Table 2 Duration and cumulative seismic energy release of ETS events, estimated from hypocenter clusters with more than 10 tremors

01

2011 06 18 00

2011 06 18 10

Not analyzed

4

02

2011 06 25 20

2011 07 03 12

6.66

1.64

72

03

2011 09 12 01

2011 09 16 20

4.17

1.01

80

04

2011 12 14 18

2011 12 21 22

6.23

1.74

103

05

2012 02 07 17

2012 02 11 01

2.91

6.31

50

06

2012 04 12 21

2012 04 17 07

3.84

6.42

55

07

2012 05 14 11

2012 05 17 21

2.99

1.53

61

08

2012 06 13 23

2012 06 13 23

Not analyzed

1

09

2012 08 11 05

2012 08 16 05

4.35

1.14

94

10

2012 09 29 09

2012 10 04 21

4.77

1.01

63

11

2012 11 21 19

2012 11 23 20

Not analyzed

8

12

2012 12 12 19

2012 12 13 20

0.934

0.147

19

13

2012 12 18 05

2012 12 23 06

4.39

0.546

64

14

2013 04 05 21

2013 04 10 20

4.32

1.80

52

15

2013 07 24 00

2013 07 27 04

2.77

1.09

64

16

2013 09 07 21

2013 09 12 15

4.14

1.23

77

17

2014 01 09 00

2014 01 14 02

4.44

1.73

117

18

2014 01 23 00

2014 01 27 18

4.14

0.546

85

19

2014 05 05 05

2014 05 07 14

2.08

0.274

38

20

2014 07 04 14

2014 07 12 22

7.23

2.50

145