Long-Term Deep Sea Floor Observatory off Kushiro-Tokachi
in the Kuril Trench
The system is located as follows:
Click Here for Detail 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) / ROV-measured Azimuth(degree) |
| 1 | Branching Mux 2 (BM2) |
42.2699N | 2,055 | --- | KR01-11(July 2001) / 2,067 |
| 144.7759E | |||||
| 2 | Seismometer 3 (OBS3) |
42.2528N | 2,124 | 123 | KY02-07(July 2002) / 2,139 / 128 |
| 144.8107E | |||||
| 3 | Tsunami Sensor 2 (PG2) |
42.2365N | 2,210 | --- | Cable deployment / 2,248 |
| 144.8485E | |||||
| 4 | Seismometer 2 (OBS2) |
41.9408N | 3,428 | 171 | KR02-07(June 2002) / 3,436 / 163 |
| 145.0562E | |||||
| 5 | Branching Mux 1 (BM1) |
41.8846N | 3,733 | --- | Cable deployment / 3,786 |
| 145.0733E | |||||
| 6 | Tsunami Sensor 1 (PG1) |
41.7040N | 2,218 | --- | Cable deployment / 2,283 |
| 144.4375E | |||||
| 7 | Seismometer 1 (OBS1) |
41.6870N | 2,329 | 244 | KY02-07(July 2002) / 2,372 / 253 |
| 144.3945E | |||||
| 8 | Cable-End Station (DSO) |
41.6675N | 2,540 | --- | KY02-07(July 2002) / 2,628 / |
| 144.3409E |
<<< Update history >>>
April 28, 2004
- Coordinate system of PG1, PG2, BM1 corrected from the Tokyo Datum to WGS-84.
Dec. 18, 2003
- Horizontal locations of DSO, OBS1, OBS2, OBS3, and BM2 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