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Meier, Michaela; Schlindwein, Vera; Scholz, John-Robert (2020): Microearthquake catalogue at the Knipovich Ridge 75.5-77.5N from 2016-09 till 2017-07. PANGAEA,

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The dataset includes located earthquakes with origin time, location and magnitude and pick information.
The dataset consists of 11 months of seismicity data collected by 26 ocean bottom seismometers along around 160 km of the Knipovich Ridge rift axis.
Earthquakes were detected using Lassie, automatically picked with PSPicker followed by manual re-picking. Amplitudes were picked automatically with automag in SEISAN. Location was performed using HYPOSAT. The dataset includes all located events without any quality control.
earthquake; Knipovich Ridge; seismicity; ultraslow spreading ridge
Supplement to:
Meier, Michaela; Schlindwein, Vera; Scholz, John-Robert; Geils, Jonah; Schmidt-Aursch, Mechita; Krüger, Frank; Czuba, Wojciech; Janik, Tomasz (2021): Segment‐Scale Seismicity of the Ultraslow Spreading Knipovich Ridge. Geochemistry, Geophysics, Geosystems, 22(2),
Related to:
Schlindwein, Vera; Krüger, Frank; Schmidt-Aursch, Mechita (2018): Project KNIPAS: DEPAS ocean-bottom seismometer operations in the Greenland Sea in 2016-2017. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA,
Median Latitude: 76.342814 * Median Longitude: 7.323222 * South-bound Latitude: -45.627000 * West-bound Longitude: -152.788000 * North-bound Latitude: 89.850000 * East-bound Longitude: 159.311000
Date/Time Start: 2016-09-01T06:37:36 * Date/Time End: 2017-07-31T20:37:38
KNIPAS_earthquakes * Latitude Start: 75.500000 * Longitude Start: 5.500000 * Latitude End: 77.250000 * Longitude End: 9.000000 * Date/Time Start: 2016-09-01T00:00:00 * Date/Time End: 2017-08-01T00:00:00 * Method/Device: Multiple investigations (MULT)
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeMeier, MichaelaEarthquake informationGeocode – Earthquake
2ErrorErrorMeier, MichaelaEarthquake informationOrigin time error in seconds
3LATITUDELatitudeMeier, MichaelaEarthquake informationGeocode
4LONGITUDELongitudeMeier, MichaelaEarthquake informationGeocode
5Azimuth of major half-axis of the location error ellipseAzimuth majordegMeier, MichaelaEarthquake information
6Length of the major half-axis of the error ellipseLength majorkmMeier, MichaelaEarthquake information
7Length of the minor half-axis of the error ellipseLength minorkmMeier, MichaelaEarthquake information
8Hypocentre depthHCDkmMeier, MichaelaEarthquake information
9Hypocentre depth, errorHCD errkmMeier, MichaelaEarthquake information
10CommentCommentMeier, MichaelaEarthquake informationHypocentre depth, error
11Local magnitudeLocal magMeier, MichaelaEarthquake information
12CommentCommentMeier, MichaelaEarthquake informationLocal magnitude
13Root-mean-square residual of the solutionminRMSsMeier, MichaelaEarthquake information
14Number of defining phasesNumber defining phases#Meier, MichaelaEarthquake information
15Number of observationsNOBS#Meier, MichaelaEarthquake informationNumber of recording stations
149036 data points

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