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Event list(1994/10/4-2001/3/24) : M was revised by JMA in April 2001
JMA seismic station list (on 2016/Jul/8)|
JMA hypocenter format on 2016 April 01
JMA hypocenter format (old)
JMA observation data format
JMA mechanism data format
JMA Intensity scale
The history of JMA seismic network and systems
1987 : EPOS (Tokyo center)
1990 : ETOS (Sendai local center)
1991 : ETOS (Sapporo local center)
1992 : ETOS (Fukuoka local center)
1993 : ETOS (Osaka local center)
1994 to 1995 : Tsunami system of Tokyo and all local centers( including Okinawa ETOS in 1995)
the seismic network for tsunami forecast Sapporo(95 Jan.10) Tokyo EPOS2(95 April)
1997 Octber : Unified system (all centers) the unified seismic network with universities'
1998 to now : Basic network ( Hi-net ) the basic seismic network for earthquake research
supported by the ministry of Education and Science and it will be completed in 2002.
1999 : Travel time table wes extended at depth to 700km
2003 Oct. : Magnitude of most small events were revised in the JMA catalogue including past events.
: Tokyo EPOS3
L-Adess : Local Automated Data Editing and Switching System
EPOS : Earthquake Phenomena Observation System
ETOS : Earthquake and Tsunami Observation System
I didn't revised the history of JMA seismic obserbation after 2004.