Long-Term Deep Sea Floor Observatory off Muroto Cape
The system is located as follows:
Click Here for Details of Cable Route Map
Position List(WGS-84)
| No. | Submersible Equipment | Lat. / Long. (°) |
Depth (m) |
Cable-oriented Azimuth (degree) |
Cruise name (Date) / Depth(ROV)(m) |
| 1 | Seismometer 2 (OBS2) |
32.6746N | 1,267 | 138 | Cable deployment / 1,286 |
| 134.3614E | |||||
| 2 | Tsunami Sensor 2 (PG2) |
32.6431N | 1,507 | --- | Cable deployment / 1,544 |
| 134.3712E | |||||
| 3.0 | Seismometer 1 (OBS1) |
32.4183N | 2,087 | 132 | Cable deployment / 2,116 before 2005/08/16 |
| 134.4358E | |||||
| 3.1 | Seismometer 1 (OBS1) |
32.4200N | 2,076 | 130 | after 2006/03/28 |
| 134.4375E | |||||
| 4 | Tsunami Sensor 1 (PG1) |
32.3907N | 2,308 | --- | Cable deployment / 2,384 |
| 134.4753E | |||||
| 5 | Cable-End Station (DSO) |
32.3692N | 3,303 | --- | Cable deployment / 3,572 |
| 134.5341E |
<<< Update history >>>
January 16, 2007
- Updated OBS1 data (Position List No. 3.1)
Position was relocated after repair on March 28th 2006.
April 5, 2004
- Horizontal locations of DSO, OBS1, OBS2, PG1, and PG2 updated using data from ROV cruises.
- Water depth estimated using J-EGG500(JODC-Expert Grid data for Geography -500m)
of the Hydrographic and Oceanographic Dept., Japan Coast Guard.
- Coordinate system changed from the Tokyo Datum to WGS-84.
July 17, 2000
- Initial release using measured coordinates in the Tokyo Datum at the deployment