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Fig. 5. | Earth, Planets and Space

Fig. 5.

From: ‘Negative repeating doublets’ in an aftershock sequence

Fig. 5.

Earthquake doublets recorded at the WCH station. Blue circles indicate the doublets with positive correlation coefficients, while red dots indicate the ‘negative doublets’. Red circles show the 2 events which have both ‘positive repeater/s’ and ‘negative repeater/s’. Parameters (as registered in the seismological network bulletins) of these 2 events and their ‘positive repeaters’ and ‘negative repeaters’ are:

138

2009-09-25

04:02:25.90

31.33N

103.69E

M 2.7

Event 1

145

2009-10-29

15:18:06.08

31.33N

103.71E

M 1.5

positive partner

151

2009-11-26

16:12:25.20

31.33N

103.71E

M 1.8

negative partner

202

2011-02-03

06:59:37.74

31.30N

103.70E

M 1.7

Event 2

167

2010-02-05

16:15:00.05

31.29N

103.67E

M 2.5

positive partner

205

2011-02-23

21:42:04.62

31.30N

103.66E

M 2.2

negative partner

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