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Galloway, D D. 2018. Bulletin of British Earthquakes 2017. British Geological Survey. (OR/18/015).
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Time
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Time of occurrence of event in hours, mins and secs, (UTC).
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Lat
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Latitude of the event, N indicates North.
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Lon
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Longitude of the event, W indicates West, E indicates East.
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Depth
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Depth of the hypocentre in kilometres.
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Grid Ref
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UK National Grid Reference in kilometres east (kmE) and kilometres north (kmN) of grid origin.
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RMS
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Root Mean Square of the travel time residuals in seconds.
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Velocity Model
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Velocity model used in location.
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Magnitude
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Richter local magnitude of the event.
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Locality
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A geographical indication of the epicentral area, usually the nearest town followed by the region.
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Intensity
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Maximum EMS intensity. 2, 3, 4, 5 etc. describes the maximum EMS intensity produced by the event.
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Comments
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Additional comments about the event e.g.: C/F see list of comments and abbreviations in Appendix 1.
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STAT
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Station name
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CO
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Z=vertical N=north south E=east west
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DIST
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Distance from earthquake to station (km)
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PHAS
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Phase identifier; the first letter characterizes onset E=emergent I=impulsive, the second indicates the phase e.g. P, S, PG, PN, IAML
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WT
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Weighting factor to arrival. 0 or blank=full weighting to 4=zero weighting (ignore). 9=use P S interval only for this line.
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P
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Polarity C=Compression/up D=Dilatation/down
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HrMn
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Hour, Minute of event
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SECS
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Seconds of event
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AMPL
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Amplitude centre to peak in nanometres (nm)
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PERI
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Period in seconds
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RES
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Station residual
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