Pedzisa mutsara unotevera: Zvisinei, Seikima-II yakava nemisangano mishoma shoma kubva pakuparara kwayo. Imwe muna 2005 kupemberera makore makumi maviri kubva pakatanga kwavo uye imwe muna 2010 vachipemberera makore makumi maviri nemashanu, yekupedzisira ichisanganisira rwendo rwavo rwekutanga rwenyika. Muna 2011, imwezve yekushanya kwavo kwenyika yakaitwa uye bhendi rakatambira makonzati maviri erudo ayo aisanganisira maartist akati wandei mukupindura ku
Kudengenyeka kweTōhoku uye tsunami. Vakaita rwendo rwemazuva maviri rwekucherechedza makore makumi matatu kubva munaGunyana 2015 kusvika Kukadzi 2016. Seikima-II yakanga yakarongerwa kuita rwendo rwekupemberera makore makumi matatu nemashanu muna 2020 uyezve muna 2021, asi zvese zvakashandurwa kuita zviitiko zvevateveri nekuda kwekuenderera mberi kwe COVID-19 denda.