| IAGA Code | ESA |
| Name | Esashi |
| Opened | 1993-01-01 |
| Closed | |
| Latitude | 39.237 °N |
| Longitude | 141.355 °E |
| Altitude | 396.0 m |
| Country | Japan |
| Website | gsi.go.jp/ENGLIS...jp/ENGLISH/index.html |
| INTERMAGNET Member | - |
| Notes | 2006 hourly means: Incorrect missing value flag in June data. [fixed 2008-04-03] 2011 data - spikes removed by BGS staff - 2 minutes flagged - HMVs recalcualted [2013-08-02] |
| No contact information available. |
| Instrument | Type | In Use From | In Use To |
|---|---|---|---|
| DIM Fluxgate Theodolite | Absolute | 1900-01-01 |