Table 2 Summary of estimation results of clock errors

Midagahara

–

0.02 s

Miyake

N.MKSV.U + 18.01 s (Oct.2021)

0.03 s

N.MKTV.U + 9.98 s (Oct.2021)

V.MYKO.U + 3.23 s (May.2020–Dec.2021)

Nasu

N.NSOV.U + 0.33 s, -0.24 s (Oct.2017–Jul.2018, Oct.2020–Jan.2021)

0.01 s

Niigatayakeyama

–

0.02 s

Niijima

–

0.01 s

Nikkoshirane

–

0.02 s

Norikuradake

–

0.01 s

Ontake

–

0.03 s

Sakurajima

V.SKRB.U -1.28 s (Jan.2017–Mar.2017, Sep.2017–Nov.2017, Mar.2018–Feb.2019)

0.02 s

V.SKRC.U + 1.72 s (Aug.2021)

Satsumaiwo

–

0.01 s

Suwanosejima

–

0.06 s

Taisetsuzan

–

0.02 s

Tarumae

–

0.02 s

Tokachi

–

0.02 s

Towada

–

0.02 s

Tsurumidake

–

0.01 s

Unzen

–

0.04 s

Usu

–

0.02 s

Yakedake

–

0.03 s

Zao

–

0.01 s