八戸 51型強震計


記入日成分ToVrv
1968.04.01S-N6.010.0368
E-W6.010.0318
U-D4.810.0348
1968.05.16S-N6.010.0367.8
E-W6.010.0358
U-D5.010.0317.5
1978.04.14S-N5.910.058
E-W6.010.048
U-D5.110.078