2020
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Microseismic catalogue of the surface network recorded at Rittershoffen during the field operations between 2012 and 2014. Calculated by ÉS-Géothermie. Number of events: 1348. The microseismic events were recorded during the drilling of the two wells and the hydraulic tests realized at GRT-1. No seismic event was recorded during the hydraulic tests realized at GRT-2. Time period: 29/11/2012 22:23:32 to 26/05/2014 23:43:55. The data parameters are the following: Column 1: Date Column 2: Origin time (UTC) Column 3: Easting in extended Lambert II coordinate system Column 4: Northing in extended Lambert II coordinate system Column 5: Latitude in WGS84 coordinate system * Column 6: Longitude in WGS84 coordinate system * Column 7: Depth (true vertical depth below sea level) Column 8: Local magnitude (vertical component) Column 9: Azimuth of the small uncertainty axis Column 10: Dip of the small uncertainty axis Column 11: Azimuth of the middle uncertainty axis Column 12: Dip of the middle uncertainty axis Column 13: Smallest uncertainty Column 14: Middle uncertainty Column 15: Largest uncertainty Column 16: Recorded period (0-GRT-1 drilling, 1-GRT-1 thermal stimulation, 20-GRT-1 hydraulic stimulation, 21-GRT-1 burst of seismicity and 3-GRT-2 drilling) * Latitude and longitude in the WGS84 coordinate system have been derived from easting and northing in extended Lambert II. Original data from Maurer et al., 2020 https://doi.org/10.1186/s40517-020-0155-2
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Focal mechanisms of seismic events, which occurred during the thermal and hydraulic stimulations, the 2013 July burst and the GRT-2 drilling. Two earthquakes per seismogenic period were considered. More information about the determination of the focal mechanisms and the selection of events is available in the article from Maurer, V. et al., 2020, Seismicity induced during the development of the Rittershoffen geothermal field, France. The data parameters are the following: Column 1: Period Column 2: Date Column 3: Time (UTC) Column 4: Easting (m) Column 5: Northing (m) Column 6: Depth (m TVD MSL) Column 7: Latitude (°) * Column 8: Longitude (°) * Column 9: Mlv Column 10: NPOL Column 11: Dip (°) Column 12: Strike (°) Column 13: Rake (°) * The latitude and longitude in the WGS84 coordinate system have been derived from the extended Lambert II Cartesian system. Original data from Maurer et al., 2020
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GRT-1 is the first well drilled within the framework of the geothermal project ECOGI at Rittershoffen. The drilling of the well began at the end of September 2012. The well reached a final measured depth of 2580 m within the fractured granite basement at the end of December 2012. Hydraulic tests of the well were carried out from December 2012 to June 2013. The tests realized at GRT-1 allowed to increase its injectivity index by a factor five. The GRT-1 well is currently used as injection well. Location of the GRT-1 wellhead (in WGS84): Latitude: 48.8965633979049 Longitude: 7.93818621036716
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The surface seismological network in 2010 consists of 9 stations installed by EOST (Ecole et Observatoire des Sciences de la Terre) from the Strasbourg University. Last update of data: 03/02/2020
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Flow logs recorded at GPK1 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK1) well during 1993 stimulation. *Depth is given in meters *Flow is given in L/s Date of the logs: - 05/09/1993 - 06/09/1993 - 08/09/1993 - 09/09/1993 - 10/09/1993 - 11/09/1993 - 12/09/1993 - 13/09/1993 - 14/09/1993 - 15/09/1993 - 16/09/1993 - 18/09/1993 - 19/09/1993 - 20/09/1993 - 12/10/1993 - 13/10/1993 - 14/10/1993 - 15/10/1993 - 16/10/1993 - 18/10/1993 - 19/10/1993 More detailed information is given in the header of each file. Last update of data: 27/08/2019
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Before the 2003 episode, a permanent network designed to monitor the microseismic activity at Soultz-sous-Forêts was installed by EOST (Ecole et Observatoire des Sciences de la Terre) from the Strasbourg University. It consisted of nine stations, six one-component and three three-component sensors. The network was operational just before the 2003 stimulation of GPK3 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/SSF-GPK3). A temporary network of fourteen seismometers (six three-component and eight one-component) was added to this permanent network. Contrary to the 2000 episode, all the fourteen stations of the temporary network were continuously recording. In addition to the network under the responsibility of EOST, a broad-band Güralp sensor was used mostly for waveform analysis. Two other accelerometers completed the surface monitoring system too. The coordinates of the stations have been obtained from RESIF (https://www.resif.fr/">https://www.resif.fr). Last update of data: 03/02/2020
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Catalogue of microseismicity with magnitude recorded during the Geoven project at Vendenheim, calculated by the BCSF-Rénass (https://renass.unistra.fr/). The geographic extent of the catalogue is a square with sides of about 12 km approximately centered on the middle between the extremity of the two wells VDH-GT1 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/VDH-GT1) and VDH-GT2 (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/VDH-GT2). Time period: 17/12/2016 - today. The data parameters are the following: Column 1: Seismic ID Column 2: Date and time (UTC) Column 3: Latitude Column 4: Longitude Column 5: Magnitude Column 6: Type of magnitude Column 7: Depth (km) Column 8: Type of depth Column 9: Catalogue Column 10: Evaluation mode Column 11: Number of stations used Column 12: Number of phases Column 13: Azimutal gap Column 14: Significant city Column 15: Distance of the city (km) Column 16: Type of event Remarks: The catalogue is automatically computed at request time. Not all the events of the requested catalogue are induced by geothermal activities. The induced events are referred as "induced or triggered event" in the column 16 of the catalogue.
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Interval seismic velocities applied to the 3D velocity model. Vp, Vs and Vp/Vs values for each formation along GRT-1 well. Original data from Maurer et al., 2020
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Surface seismic network used to study the Geoven Episode. The network consists of stations from several networks: Resif (https://www.resif.fr/) (FDSN code: FR), the French seismic network composed of high gain seismometers and accelerometers, French Accelerometric Network (FDSN code: RA), LRGB network (FDSN code: LE), the German network for Baden-Wuerttemberg, RaspberryShake network (FDSN code: AM) financed by the BCSF-Renass and the LabEx G-eau-thermie Profonde. Public stations from Fonroche network (ECK4 and VDH4) are included in the FR network. Data are automatically computed at request time
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Seismological signals acquired at Vendenheim during the development phase of the GEOVEN geothermal project. Waveforms from the permanent stations described in VDHD-Surface_network (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/VDHD-Surface_network) are provided for each event from VDHD-Catalogue (https://cdgp.u-strasbg.fr/geonetwork/srv/fre/catalog.search#/metadata/VDHD-Catalogue), (-30s, +90s). Data are automatically computed at request time
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