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Table 1 Source parameters for the Jan. 19, 2020 Mw 6.0 Jiashi earthquake

From: Source model for the Mw 6.0 earthquake in Jiashi, China on 19 January 2020 from Sentinel-1A InSAR data

Source

Lat (°)

Lon (°)

Depth (km)

Nodal plane I

Nodal plane II

Mw

Strike (°)

Dip (°)

Rake (°)

Strike (°)

Dip (°)

Rake (°)

USGS (W-phase)

39.835

77.11

19.5

221

20

72

60

71

96

6.03

USGS (body wave)

39.835

77.11

4.0

262

9

105

67

81

88

6.05

GCMT

39.78

77.18

12

196

37

30

81

72

123

6.0

GFZ

39.80

77.10

10

222

16

77

56

75

94

6.1

InSAR (a*)

39.91

77.30

6.30

274.8

8.8

110.8 (d*)

–

–

–

6.1

±0.1 km

±0.1 km

±0.1

±0.1

±0.3

     

InSAR (b*)

39.90

77.30

4.15

274.8

52 (c*)

110.7 (d*)

–

–

–

6.0

  1. a* represents the planar fault model, b* represents the listric fault model and its dip angle, c* is the dip of the ramp segment, the dip of the flat segment is fixed to be 2°, d* is the mean rake of each patch