山形 52型強震計
| 記入日 | 成分 | To | V | r | v |
| 1952.07.10 | S-N | 4.3 | 1 | 0.008 | 4 |
| E-W | 4.4 | 1 | 0.003 | 7 |
| U-D | 5.2 | 1 | 0.008 | 6 |
| 1958.04.16 | S-N | 5.8 | 1 | 0.01 | 9 |
| E-W | 6.0 | 1 | 0.01 | 8 |
| U-D | 4.9 | 1 | 0.01 | 7 |
| 1959.04.06 | S-N | 5.9 | 1 | 0.01 | 8 |
| E-W | 5.9 | 1 | 0.01 | 7 |
| U-D | 4.9 | 1 | 0.02 | 8 |
| 1968.05.16 | S-N | 6.0 | 1 | 0.02 | 8 |
| E-W | 5.9 | 1 | 0.02 | 8 |
| U-D | 5.0 | 1 | 0.04 | 8 |
| 1977.09.24 | S-N | 6.0 | 1 | 0.02 | 8 |
| E-W | 5.9 | 1 | 0.02 | 8 |
| U-D | 5.0 | 1 | 0.02 | 8 |
| 1978.04.19 | S-N | 5.9 | 1 | 0.02 | 8 |
| E-W | 5.9 | 1 | 0.02 | 8 |
| U-D | 4.9 | 1 | 0.02 | 8 |
| 1980.04.08 | S-N | 6.0 | 1 | 0.02 | 8 |
| E-W | 6.0 | 1 | 0.02 | 8 |
| U-D | 5.0 | 1 | 0.02 | 8 |
| 1981.04.24 | S-N | 6.1 | 1 | 0.02 | 8 |
| E-W | 6.1 | 1 | 0.02 | 8 |
| U-D | 5.0 | 1 | 0.02 | 8 |
| 1982.04.09 | S-N | 6.0 | 1 | 0.04 | 8 |
| E-W | 6.0 | 1 | 0.03 | 8 |
| U-D | 5.0 | 1 | 0.04 | 8 |
| 1983.04.07 | S-N | 5.9 | 1 | 0.03 | 8 |
| E-W | 5.9 | 1 | 0.01 | 8 |
| U-D | 4.9 | 1 | 0.03 | 8 |