Distribution Maps of Observatories (as of April 1, 2025)


Table of Observation Stations
(PDF  74 KB)
High Sensitivity Seismographs
(PDF  880 KB)
Broad-band Seismographs
(PDF  871 KB)
Strong-motion Seismographs
(on the ground)
(PDF  888 KB)-->
Strong-motion Seismographs
(in the well)
(PDF  875 KB)-->
GNSS, SLR and VLBI
(PDF  782 KB)
Strain Meters, etc.
(PDF  870 KB)
Sea Bottom Crustal Deformations
(PDF  870 KB)
Tide and/or Tsunami Observatories
(PDF  873 KB)
Geomagnetic Observatories
(PDF  869 KB)
Gravity Observatories
(PDF  869 KB)
Ground Water Observatories
(PDF  869 KB)
 
abbreviation in the figures