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Local and moment magnitudes of Preston New Road seismicity, 2018-2019 (NERC Grant NE/R018006/1)

This dataset is a catalogue of elastic stress models of hydraulic fracturing during the 2018 Preston New Road, PNR-1z operations (described in Clarke et al., 2019). This modelling was produced for the publication Kettlety et al. (2020), which studies the physical mechanisms controlling seismicity during hydraulic fracturing. For further details on the modelling approach and context for these data, see Kettlety et al. (2020) and the README file attached here.This is a combined microseismic catalogue of all of the seismic magnitudes recorded for microseismic events recorded during Cuadrilla's Preston New Road hydraulic fracturing operations. 5 magnitude types are given for each event: the downhole measured moment magnitude (Mw); the downhole measured local magnitude (ML); the surface measured ML; the surface measured Mw; and a combined/corrected Mw. This corrected Mw follows the procedure laid out in Kettlety et al. (2021, https://doi.org/10.1785/0220200187 ) and Baptie et al. (2020, Robust relationships for magnitude conversion of PNR seismicity catalogues. British Geological Survey Open Report, OR/20/042) Functionally, it combines the surface measured Mw and the downhole measured Mw corrected using Equations 4.6 and 4.7 of Baptie et al. (2020). Also included are event origin times, associated injection stages (as described in Clarke et al., 2020, https://doi.org/10.1785/0220190110, and Kettlety et al., 2021), whether this stage was a "minifrac" (just for PNR-1z), the "relative fracture order" (RFO) of that stage, and it's downhole measured location (easting and northing in BNG coordinates, and depth BSL). Downhole measurements Mw and ML were conducting by Schlumberger Ltd. on behalf to the Preston New Road operator Cuadrilla Resources Ldt., and surface ML and Mw were measured by the BGS in Baptie et al., (2020).

Simple

Date (Creation)
2022-04-14
Identifier
http://data.bgs.ac.uk/id/dataHolding/13607929
Principal investigator
  University of Bristol - Dr J P Verdon ( Lecturer in Applied Geophysics, School of Earth Sciences )
Wills Memorial Building, Queens Road, Clifton , Bristol , BS8 1RJ ,
Originator
  University of Oxford - Tom Kettlety
Originator
  University of Bristol - Antony Butcher
Distributor
  British Geological Survey - Enquiries
Point of contact
  British Geological Survey - Enquiries
Maintenance and update frequency
notApplicable notApplicable
GEMET - INSPIRE themes, version 1.0
  • Geology
BGS Thesaurus of Geosciences
  • Seismicity
  • NGDC Deposited Data
  • Induced seismicity
  • Hydraulic fracturing
  • Earthquakes
dataCentre
  • NGDC Deposited Data
Keywords
  • NERC_DDC
Access constraints
otherRestrictions Other restrictions
Other constraints
licenceOGL
Other constraints
Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]"
Use constraints
otherRestrictions Other restrictions
Other constraints
The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.
Other constraints
Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]"
Spatial representation type
vector Vector
Metadata language
EnglishEnglish
Topic category
  • Geoscientific information
Geographic identifier
Lancashire County [id=5156]

Date (Revision)
2009

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Begin date
2018-10-15
End date
2019-10-06
Unique resource identifier
WGS 84 (EPSG::4326)
Distribution format
  • csv files ()

Distributor
  British Geological Survey - Enquiries
OnLine resource
Data
OnLine resource
Published Paper
OnLine resource
Published Paper
OnLine resource
Published Paper
OnLine resource
Digital Object Identifier (DOI)
Hierarchy level
dataset Dataset
Other
dataset

Conformance result

Date (Publication)
2011
Explanation
See the referenced specification
Pass
No

Conformance result

Date (Publication)
2010-12-08
Explanation
See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF
Pass
No
Statement
This data was produced within the Unconventional Hydrocarbons in the UK Energy System NERC project (within SHAPE-UK). This reanalysis of the earthquake magnitudes was conducted after downhole measurements were found to not be accurate for the largest events, and surface measurements had to be used. Corrections to all downhole measurements were conducted after the surface data was added in once discontinuities were noticed in the magnitude-frequency distribution. This process produced a single, corrected moment magnitude for the events in these catalogues, which are presented here. This process is detailed throughly in Kettlety et al. (2021) and Baptie et al. (2020). It was deemed valuable that all measures of magnitude for this data should be published in a single format, to help future study.
File identifier
dd8fcd27-2f7a-67cd-e053-0937940a3fa0 XML
Metadata language
EnglishEnglish
Hierarchy level
dataset Dataset
Date stamp
2025-11-13
Metadata standard name
UK GEMINI
Metadata standard version
2.3
Point of contact
  British Geological Survey
Environmental Science Centre,Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
+44 115 936 3100
Dataset URI
http://data.bgs.ac.uk/id/dataHolding/13607929
 
 

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