Table 4 Major earthquakes around the Shionohara baseline and calculated baseline changes
Earthquake | Magnitude (Mw) | Coseismic (mm) | Postseismic (mm) | References |
|---|---|---|---|---|
1894/10/22 Shonai * | 6.8 | + 50.3 | − 2.5 | |
7.0 | + 100.5 | − 4.9 | ||
1896/6/15 Sanriku | 8.5 | + 3.0 | + 1.1 | Tanioka and Satake (1996) |
1896/8/31 Rikuu | 7.2 | + 3.2 | − 5.2 | Thatcher et al. (1980) |
1897/8/5 Miyagi-oki | 7.7 | + 1.4 | + 0.6 | Aida (1977) |
1900/5/12 Northern Miyagi | 6.2 | + 0.1 | + 0.1 | Takemura (2005) |
1933/3/3 Sanriku | 8.4 | − 3.5 | − 3.0 | Abe (1978) |
1936/11/3 Miyagi-oki | 7.2 | + 0.6 | + 0.1 | Yamanaka and Kikuchi (2004) |
1937/7/27 Miyagi-oki | 7.1 | + 0.1 | 0.0 | Yamanaka and Kikuchi (2004) |
1938/5/23–1938/11/7 Shioyazaki-oki | 7.0, 7.5, 7.3,7.4, 6.9 | − 0.6 | − 0.4 | Abe (1977) |
1962/4/30 Northern Miyagi | 6.2 | + 0.5 | + 0.6 | Sato (1989) |
1964/6/16 Niigata | 7.6 | + 8.0 | + 3.0 | Abe (1975) |
1968/5/16 Tokachi-oki | 8.2 | − 0.4 | − 0.5 | Aida (1978) |
1970/10/16 SE Akita | 6.2 | − 0.2 | 0.0 | Mikumo (1974) |
1978/6/12 Miyagi-oki | 7.5 | + 1.5 | − 0.5 | Seno et al. (1980) |
1983/5/26 Japan Sea | 7.7 | − 1.1 | − 0.4 | Sato (1985) |
2003/7/26 Northern Miyagi | 6.1 | + 0.1 | 0.0 | Nishimura et al. (2003) |
2005/8/16 Miyagi-oki | 7.2 | + 0.6 | 0.0 | GSI (2005) |
2008 Iwate-Miyagi | 7.2 | + 11.3 | 0.0 | Takada et al. (2009) |