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Table 4 Conventional radiocarbon ages obtained from the core samples H02, Ha8 and H04

From: Paleotsunami history of Hachinohe, northern Japan: a multiproxy analysis and numerical modeling approach

Sample ID

Type of material

Pretreatment

σ13C (‰)

Conventional radiocarbon age

Beta number

H02/C12

Organic sediment

Acid washes

− 26.30

2830 ± 30

525634

H02/C13

Organic sediment

Acid washes

− 27.04

4400 ± 30

525633

Ha8/C1

Organic sediment

Acid washes

− 19.5

1280 ± 30

458359

Ha8/C2

Organic sediment

Acid washes

− 25.2

1770 ± 30

455968

Ha8/C3

Organic sediment

Acid washes

− 25.7

1990 ± 30

455969

Ha8/C4

Organic sediment

Acid washes

− 26.2

2690 ± 30

442357

Ha8/C5

Organic sediment

Acid washes

− 26.6

2900 ± 30

531884

Ha8/C6

Organic sediment

Acid washes

− 26.4

3270 ± 30

442358

Ha8/C7

Organic sediment

Acid washes

− 26.8

3550 ± 30

442359

Ha8/C8

Organic sediment

Acid washes

− 26.6

3890 ± 30

442360

Ha8/C9

Organic sediment

Acid washes

− 26.9

4210 ± 30

442361

Ha8/C10

Organic sediment

Acid washes

− 27.0

4390 ± 30

442362

Ha8/C11

Organic sediment

Acid washes

− 26.9

4760 ± 30

442363

H04/C14

Organic sediment

Acid washes

− 28.00

3160 ± 30

531883

H04/C15

Organic sediment

Acid washes

− 26.78

3190 ± 30

525635

H04/C16

Organic sediment

Acid washes

− 27.29

4300 ± 30

525636