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Table 1 Parameters at the northern, middle, southern, and deep segments and the MYG patch

From: Recurrence intervals for M > 7 Miyagi-ken-Oki earthquakes during an M ~ 9 earthquake cycle

Segments

Parameters

Values

Sources/Segments

Parameters

Values

Northern

A–B (MPa)

− 0.10

MYG

A–B (MPa)

− 0.320

b–a

0.0020

b–a

0.0064

L (m)

0.60

L (m)

0.026

Rb = (b–a)/b

0.118

Rb = (b–a)/b

0.299

Ru

0.271

Ru

14.2

Length (km)*2

65 (*1)

Radius (km)

23

Middle

A–B (MPa)

− 0.19

Deep (≤ 62 km *3)

A–B (MPa)

− 0.12

b–a

0.0038

b–a

0.0024

L (m)

0.16

L (m)

0.15

Rb = (b–a)/b

0.202

Rb = (b–a)/b

0.138

Ru

5.047

Ru

9.6

Length (km)*2

170

Length (km)*2

480

Southern

A–B (MPa)

− 0.10

Deep (> 62 km *3)

A–B (MPa)

0.10

b–a

0.0020

b–a

− 0.0020

L (m)

0.65

L (m)

13.0

Rb = (b–a)/b

0.118

  

Ru

0.865

  

Length (km)*2

225 (*1)

Length (km)*2

480

  1. *1: Transition between the middle segment and northern/southern segment is 10 km
  2. *2: Length along strike direction
  3. *3: Changes depending on the down-dip limit of the interplate earthquake distribution (Igarashi et al. 2001)