| F-net Renewal History |
◯ Oct 12, 2023
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Reopening of data release (updated: January 29, 2024)
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◯ Mar 01, 2024
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The guidance of the updating user account 2024.
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◯ Nov 08, 2023
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Information about Scheduled Maintenance
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◯ Apr 13, 2023
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Temporary suspension of data release
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◯ Mar 14, 2023
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time errors in the waveform data
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◯ Nov 30, 2022
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Output format in mechanism search web
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◯ Jun 15, 2022
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Information about Scheduled Maintenance
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◯ Jun 08, 2022
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F-net Moment Tensor Catalog Files
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◯ Mar 01, 2022
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The guidance of the updating user account 2022.
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◯ Nov 01, 2021
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Nearby seismicity information based on the F-net moment tensor catalog
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◯ Jul 01, 2020
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Information about Scheduled Maintenance
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◯ Mar 30, 2020
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Information about Scheduled Maintenance
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◯ Feb 25, 2020
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Information about Scheduled Maintenance
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◯ Sep 02, 2019
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Information about Scheduled Maintenance
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◯ Jul 23, 2019
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Information about Scheduled Maintenance
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◯ Jul 01, 2019
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Information about Scheduled Maintenance
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◯ Jun 26, 2019
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Information about Scheduled Maintenance
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◯ Mar 28, 2019
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Information about Scheduled Maintenance
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◯ Mar 22, 2019
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Information about Scheduled Maintenance
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◯ Mar 20, 2019
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Information about Scheduled Maintenance
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◯ Dec 10, 2018
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Information about Scheduled Maintenance
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◯ Sep 03, 2018
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Information about Scheduled Maintenance
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◯ Jul 31, 2018
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Information about Scheduled Maintenance
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◯ May 10, 2018
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Information on the quality of F-net waveform data
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◯ Jan 12, 2018
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Information about Scheduled Maintenance
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◯ Nov 27, 2017
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Information about Scheduled Maintenance
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◯ Jul 19, 2017
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Information about Scheduled Maintenance
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◯ Aug 04, 2016
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We have corrected latitude & longitude data of IGK station
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◯ Apr 11, 2016
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Information about Scheduled Maintenance
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◯ Mar 22, 2016
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Information about Scheduled Maintenance
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◯ Mar 15, 2016
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Information about Scheduled Maintenance
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◯ Nov 30, 2015
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Information about Scheduled Maintenance
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◯ Jul 15, 2015
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Problem resolved at STS-2 OSW station (EW and UD component)
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◯ Jun 26, 2015
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Caution: Possible sensor malfunction at STS-2 OSW station (EW and UD component)
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◯ Jun 22, 2015
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Information about Scheduled Maintenance
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◯ Mar 24, 2015
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Notice on the response information at AMM F-net station
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◯ Mar 06, 2015
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Information about Scheduled Maintenance
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◯ Dec 15, 2014
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F-net data download system trouble (November 26 - December 12, 2014(UT))
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◯ Dec 01, 2014
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F-net data download system trouble (November 28 - 30, 2014(UT))
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◯ Sep 02, 2014
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Information about Scheduled Maintenance
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◯ Aug 21, 2014
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Information about Scheduled Maintenance
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◯ Aug 05, 2014
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Changes of SEED header and SAC format data
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◯ Jul 08, 2014
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Update on "Station MAP"
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◯ May 27, 2014
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Information about Scheduled Maintenance
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◯ Dec 17, 2013
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seismometer & ADC replacement (December 2013 - March 2014)
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◯ Oct 10, 2013
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Information about Scheduled Maintenance
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◯ Aug 05, 2013
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Information about Scheduled Maintenance
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◯ Mar 14, 2013
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Information about Scheduled Maintenance
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◯ Jan 30, 2013
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Correction of TSM-1 horizontal-component waveform data at OOW
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◯ Oct 05, 2012
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Waveform data of TSM-1 horizontal components at OOW
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◯ Jul 02, 2012
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The site of Earthquake Information Service site becomes available. [in Japanese]
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◯ Mar 19, 2012
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Server maintenance on March 22, 23 & 29, 2012.
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◯ Mar 08, 2012
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Server maintenance on March 8, 2012.
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◯ Feb 20, 2012
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Correction of SEED header of STS-2 seismometers at INN, TYS and SRN
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◯ Feb 07, 2012
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Server maintenance on February 8, 2012.
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◯ Jan 16, 2012
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Server maintenance on January 16, 2012.
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◯ Dec 13, 2011
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Server maintenance on December 19, 2011.
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◯ Nov 15, 2011
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Temporary close of user registration site.
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◯ Oct 03, 2011
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Server maintenance on October 4, 2011.
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◯ Aug 05, 2011
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Correction of position of station KIS.
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◯ Jul 20, 2011
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F-net server trouble on July 14-19, 2011.
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◯ Jun 09, 2011
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Release of data from March 11 through 14, 2011 (2).
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◯ Jun 01, 2011
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Start of data release at station OOW and end at station MMA.
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◯ Apr 28, 2011
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Release of data from March 11 through 14, 2011.
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◯ Apr 26, 2011
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Recovery of the 2011 SEED data download system and header changes.
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◯ Apr 21, 2011
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Temporarily stop of SEED data download system on Apr. 26, 2011.
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◯ Apr 13, 2011
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Delay in release of data from March 11 through March 14, 2011.
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◯ Apr 13, 2011
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Problem on downloading the SEED data in 2011.
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◯ Nov 26, 2010
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Notice on the STS-2 SEED header at KNP F-net station.
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◯ Nov 26, 2010
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Notice on the data file delays.
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◯ Sep 14, 2010
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Notice about the temp orary halt of F-net web server.
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◯ Jun 30, 2010
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Notice of STS-1 horizontal components at TTO station.
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◯ Mar 17, 2010
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Notice about replacement of the recorder system of F-net
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◯ Sep 18, 2008
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The notice of temporary service stop for F-net data downloads.
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◯ Jun 26, 2008
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Trouble for NIED Earthquake Mechanism Search.
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◯ Jun 11, 2008
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Notice about F-net homepage URL change.
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◯ Oct 12, 2007
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Notice of distorted waveforms of the Niigataken Chuetsu-oki Earthquake in 2007, recorded by VSE355G2.
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◯ May 19, 2006
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Notice of expansion of downloadable data size.
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◯ Feb 22, 2006
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Notice of expansion of downloadable data size.
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◯ Dec 19, 2005
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Notice about revise of part of past F-net data.
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◯ Dec 19, 2005
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Notice about short time data loss of F-net.
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◯ Sep 22, 2005
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Notice about correction of MT solutions.
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◯ Sep 06, 2005
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Notice about corrections to the SEED headers of F-net.
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◯ Jun 29, 2005
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Notice about F-net server trouble.
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◯ Jun 21, 2005
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Notice about short time data loss of F-net.
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◯ Jun 09, 2005
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Station information of Okawa (OKW) was added.
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◯ Mar 03, 2005
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Notice about replacement of the reference coordinate system.
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◯ Feb 25, 2005
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Notice about replacement of decimation filters of F-net data.
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◯ Dec 06, 2004
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Notice about replacement of the recorder system of F-net.
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◯ Sep 07, 2004
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Notice of distorted waveforms of the 2003 Tokachi-oki earthquake, recorded by VSE355G2.
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◯ Jun 29, 2004
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Station information of Tsukuba (TSK) was added.
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◯ Dec 19, 2003
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Station information of kamitonda (KMT) was added.
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◯ Nov 14, 2003
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Sensor Response was revised.
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◯ Jun 03, 2002
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User account and password are required for the access to the waveform data.
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◯ Apr 01, 2002
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The data request is accepted only through WEB from April 1 2002.
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◯ Apr 01, 2002
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The name of this network has changed to "F-net" from "FREESIA".
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◯ Jul 19, 2001
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Sensor Response was revised.
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◯ May 25, 2001
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Station information of Minmaya (MMA) was added.
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◯ May 08, 2001
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"Spectral Plot" was added.
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◯ Apr 23, 2001
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Station information of Nishiki (NSK) was added.
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◯ Apr 23, 2001
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Station information of Taga (TGA) was added.
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◯ Apr 19, 2001
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Top page was renewed.
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◯ Apr 16, 2001
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Station information of Kanayama (KNM) was added.
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◯ Apr 13, 2001
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"What is F-net" was added.
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◯ Apr 11, 2001
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"Renewal History" was added.
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◯ Apr 10, 2001
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Station information of Kanaya (KNY) was added.
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◯ Apr 10, 2001
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Station information of Watarai (WTR) was added.
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◯ Apr 02, 2001
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Station information of Yoshida (YSI) was added.
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