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Table 1 14C ages of samples from the study area

From: Geologic evidence for coseismic uplift at ~ AD 400 in coastal lowland deposits on the Shimizu Plain, central Japan

Sample no.

Site

Depth (m)

Altitude (m above m.s.l.)

Materials

δ13C (‰)

Conventional 14C age (year BP)

Calibrated age (2σ; cal. year BP; 95.4%)

Beta ID

1

1

4.05

0.45

Wood

− 27.02

2050 ± 30

166 cal BC to 20 cal AD

496227

2

1

4.20

0.30

Wood

− 29.13

1650 ± 30

264–532 cal AD

496228

3

1

4.21

0.29

Leaf

− 30.08

1600 ± 30

398–539 cal AD

502135

4

1

4.21

0.29

Leaf

− 29.89

1740 ± 30

236–386 cal AD

502136

5

1

4.53

− 0.03

Wood

− 26.34

2080 ± 30

191–38 cal BC

496229

6

1

6.47

− 1.97

Plant material

− 26.21

2380 ± 30

726–392 cal BC

517951

8

2

2.10

1.70

Leaf

− 29.52

1670 ± 30

258–428 cal AD

502137

9

2

2.10

1.70

Leaf

− 29.46

1740 ± 30

236–386 cal AD

502138

10

2

3.66

0.14

Plant material

− 28.80

2120 ± 30

345–50 cal BC

508311

11

2

3.67

0.13

Wood

3430 ± 40

1877–1636 cal BC

503648

12

2

4.64

− 0.84

Plant material

− 22.42

3110 ± 30

1437–1288 cal BC

508312

13

2

4.87

− 1.07

Plant material

− 24.63

2530 ± 30

797–543 cal BC

508313

14

2

4.98

− 1.18

Plant material

− 28.50

3040 ± 30

1397–1216 cal BC

508314

15

2

5.20

− 1.40

Plant material

− 27.7

2420 ± 30

748–402 cal BC

517953

16

2

5.34

− 1.54

Plant material

− 24.6

2680 ± 30

897–802 cal BC

517954

17

2

5.51

− 1.71

Plant material

− 27.1

2940 ± 30

1257–1043 cal BC

517955