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Beijing National Earth Observatory, Institute of Geophysics
China Earthquake Administration (CEA)

P. R. China

Beijing National Earth Observatory (NEOBJI) is managed by the Institute of Geophysics (IGP), China Earthquake Administration (CEA), which is an important field arm of IGP and having held a leading role in earthquake and multi-disciplinary geophysical observation in China for many years.

NEOBJI has a long glorious history.

YEAR_1930. The first seismic station in mainland China, which was installed by Chinese seismologists in 1930. After the Wiechert seismograph and Galitzin-Willip seismograph were deployed, the first seismograph was recorded on Sept.30, 1930.

YEAR_1930 to YEAR_1937. 2427 earthquakes were recorded. Bulletins and observation reports were published monthly and the data were exchanged with seismological agencies all over the world, which makes NEOBJT as a landmark of the modern seismological observation in China.

YEAR_1957. Renamed as Beijing Observatory, and obtained earthquake waveform data since June.1, 1957, with the installed 513-type mid-strong seismometer. The geomagnetism records was first obtained in 1957.

YEAR_1982. A 202m-depth cave for geophysical observation was completed with total inner length of 317.5m.

Year_1982 to Year_2010. Seismometers, a gravimeter, and tilt-meters were installed in the cave, while geo-magnetometers and instruments for water level were installed in the yard and down in boreholes.

YEAR_1984. Be awarded the "International Earth Observation Centenary" Silver Medal by IAGA in recognition of the outstanding contribution in Geomagnetic Observation.

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