No

Earthquake Date

Latitude

Longitude

Magnitude

Identification

Order

Time Days

Distance (km)

1

11/03/2011

38.1035

142.8610

9.0 Mw

Mainshock

Sourge point

0

0

2

13/03/2011

35.8282

141.9723

6.6 Mw

Primary aftershock

1st Order

1.82

265.0

3

22/03/2011

37.0860

144.2480

6.7 Mw

Primary aftershock

2nd Order

11.06

166.5

4

05/05/2011

38.2122

144.1190

6.1 Mw

Primary aftershock

3nd Order

55.38

110.7

5

10/07/2011

38.0318

143.5067

7.3 Mw

Primary aftershock

4nd Order

120.80

57.1