IASPEI GT update log
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Preliminary GT List made available with 80,446 events from 1959 to 2022. GT5 events were selected based on the criteria of Gallacher at al. (2025). |
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188 new events for July to December 2020 have been added to the Ground Truth database, events up to 2020-12-31 are available. |
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362 new events for 2019 have been added to the Ground Truth database, events up to 2020-01-01 are available. |
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152 new events from the second six months of 2018 have been added to the Ground Truth database, events up to 2019-01-01 are available. |
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254 new events from the first six months of 2018 have been added to the Ground Truth database, events up to 2018-07-01 are available. A small number of station anomolies have also been fixed so please also download the current station list. |
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338 new events from the second six months of 2017 and 250 events between 1980 and 2010 have been added to the Ground Truth database, events up to 2018-01-01 are available. |
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396 new events from the first six months of 2017 have been added to the Ground Truth database, events up to 2017-09-03 are available. Please note a number of event ids have changed. |
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489 new events from the last six months of 2016 have been added to the Ground Truth database, events up to 2017-09-03 are available. Please note a number of event ids have changed. |
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115 new events from the first six months of 2016 have been added to the Ground Truth database, events up to 2017-09-03 are available. Please note a number of event ids have changed. |
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Database maintenance involved the changing of several event numbers to link correctly to the main ISC database. |
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4 new GT5 underground nuclear explosions have been added to the Ground Truth database, events up to 2017-09-03 are available. |
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164 new events from the last six months of 2015 have been added to the Ground Truth database, events up to 2017-04-03 are available. |
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128 new events from the first six months of 2015 have been added to the Ground Truth database, events up to 2017-04-03 are available. |
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Seven new events from 1967 to 1980 been added to the Ground Truth database, events up to 2017-04-03 are available. ISC hypocentres from 1964 to 1979 have been updated from the ISC rebuild. |
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New events from the second half of 2014 have been added to the Ground Truth database, events up to 2017-04-03 are available. |
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New events up to 2017-04-03 are now added to the Ground Truth database |
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New events up to 2015-04-30 are now added to the Ground Truth database |
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New events up to 2013-06-30 are now added to the Ground Truth database |
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Five new events from Nicaragua and Costa Rica have been added to the Ground Truth database, proposed by the CTBTO RSTT Workshop in Costa Rica on September 2015 |
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New events up to 2012-12-31 are now added to the Ground Truth database |
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Please note that the following events have been removed from the Ground Truth database: Event 1975176 Egypt 2001/06/12 13:43:25.74 Event 7493011 Egypt 2005/04/16 19:55:11.23 Event 600212515 Egypt 2011/12/26 17:01:26.01 These events will always be available in the main ISC bulletin: Event 1975176 Egypt 2001/06/12 13:43:25.74 Event 7493011 Egypt 2005/04/16 19:55:11.23 Event 600212515 Egypt 2011/12/26 17:01:26.01 |
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The following events will be removed soon from the Ground Truth database, since a more comprehensive revision carried out by the contributors (Ali et al., 2013) showed that these hypocentres do not meet the GT criteria (Bondár and McLaughlin, 2009). Event 1975176 Egypt 2001/06/12 13:43:25.74 Event 7493011 Egypt 2005/04/16 19:55:11.23 Event 600212515 Egypt 2011/12/26 17:01:26.01 Please consider to avoid using them until they are fully removed from the database. |
