Distribution Maps of Observatories (as of March, 2012)
| Table of Observation Stations (PDF 68 kB) |
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| High Sensitivity Seismographs (PDF 1,121 kB) |
Broad-band Seismographs (PDF 1,113 kB) |
| Strong-motion Seismographs (on the ground) (PDF 1,133 kB) |
Strong-motion Seismographs (in the well) (PDF 1,116 kB) |
| GPS, SLR and VLBI (PDF 1,058 kB) |
Strain Meters, etc. (PDF 1,111 kB) |
| Seabottom Geodetic Stations (PDF 1,109 kB) |
Tide and/or Tsunami Observatories (PDF 1,113 kB) |
| Geomagnetic Observatories (PDF 1,111 kB) |
Gravity Observatories (PDF 1,109 kB) |
| Ground Water Observatories (PDF 1,111 kB) |
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| abbreviation in the figures |