gCent Profile
gCent

@gCentBulletin

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geodetic Centroid (gCent): Global earthquake monitoring reports from InSAR, optical sensors, and GPS.

Golden, CO
Joined August 2019
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@gCentBulletin
gCent
3 years
Big news - the full @gCentBulletin catalog is live. Access individual events, a full catalog description, and all the interferograms that have gone into gCent models. This catalog will be updated (though not in realtime) as new events become available:
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@gCentBulletin
gCent
2 years
M5.3 New Zealand (2023.03.17) https://t.co/PuyjqNNmRT Centroid lon/lat: 176.682/-38.081 Centroid depth (km): 3.26 Depth range (km): 3.02-3.51 Geodetic Mag: Mw5.40 Slip mag (m): 2.193 Str/Dip/Rake: 55/44/-100 Len/Wid (km): 3.09/0.71
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@gCentBulletin
gCent
3 years
M5.0 Canada (2023.03.16) https://t.co/eCDhXNhKOY Sentinel p20, 2023.03.06-2023.03.18 Centroid lon/lat: -116.644/56.101 Centroid depth (km): 3.14 Depth range (km): 2.01-4.28 Geodetic Mag: Mw4.86 Slip mag (m): 0.058 Str/Dip/Rake: 306/43/106 Len/Wid (km): 3.74/3.36
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@gCentBulletin
gCent
3 years
M6.8 Tajikistan (2023.02.230 https://t.co/menpV0zCwb Sentinel 1 p107 (2023.02.04-2023.02.28) Centroid lon/lat: 73.187/38.116 Centroid depth (km): 28.51 Depth range (km): 14.26-42.75 Geodetic Mag: Mw6.91 Slip mag (m): 1.729 Str/Dip/Rake: 143/72/-99 Len/Wid (km): 17.11/29.96
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@gCentBulletin
gCent
3 years
M6.3 Turkey (2023.02.20) https://t.co/I8XSneH2dZ Sentinel 1: 2023.02.09-2023.02.21 Centroid lon/lat: 36.011/36.219 Centroid depth (km): 11.44 Depth range (km): 3.65-19.23 Geodetic Mag: Mw6.38 Slip mag (m): 0.594 Str/Dip/Rake: 230/56/-4 Len/Wid (km): 12.44/18.87
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@gCentBulletin
gCent
3 years
M7.8 Turkey (2023.02.06) M7.5 Turkey (2023.02.06) https://t.co/mv8ZdvnuRU https://t.co/ZgIfrDh4ZL Sentinel-1 path 21 (2023.01.29-2023.02.10)
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@gCentBulletin
gCent
3 years
M7.8 and M7.5 Turkey earthquakes, as seen from space by radar (ESA Sentinel-1 sensor). To date, satellite images have been over the western half of the ruptures. Sentinel-1 will fly over the eastern half on Feb 10 and hopefully complete the rest of the picture.
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@gCentBulletin
gCent
3 years
M7.8 Turkey (2023.02.06) M7.5 Turkey (2023.02.06) https://t.co/mv8ZdvnuRU https://t.co/ZgIfrDh4ZL Sentinel path 14, 2023.01.28-2023.02.09 Subpixel offsets (note, no scaled given because offsets have not been converted to displacement)
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@gCentBulletin
gCent
3 years
M7.8 Turkey (2023.02.06) M7.5 Turkey (2023.02.06) https://t.co/mv8ZdvnuRU https://t.co/ZgIfrDh4ZL Sentinel path 14, 2023.01.28-2023.02.09
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@gCentBulletin
gCent
3 years
M7.8 Turkey (2023.02.06) M7.5 Turkey (2023.02.06) https://t.co/mv8Zdvo2Hs https://t.co/ZgIfrDhCPj Range and azimuth offsets ALOS-2 path 78, frame 2850-2890 Imagery courtesy of JAXA and facilitated by NASA
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@gCentBulletin
gCent
3 years
M7.8 Turkey (2023.02.06) M7.5 Turkey (2023.02.06) https://t.co/mv8ZdvnuRU https://t.co/ZgIfrDh4ZL ALOS-2 path 78, frame 2850-2890 Imagery courtesy of JAXA and facilitated by NASA
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@gCentBulletin
gCent
3 years
M5.9 Iran (2023.01.28) https://t.co/yGA5PP3lie Centroid lon/lat: 44.849/38.532 Centroid depth (km): 7.51 Depth range (km): 5.26-9.75 Geodetic Mag: Mw5.80 Slip mag (m): 0.488 Str/Dip/Rake: 223/60/17 Len/Wid (km): 7.39/5.17
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@gCentBulletin
gCent
3 years
M5.2 El Salvador (2023.01.15) https://t.co/o2l1wgLxY4 Centroid lon/lat: -89.845/14.059 Centroid depth (km): 5.69 Depth range (km): 4.39-6.99 Geodetic Mag: Mw5.45 Slip mag (m): 0.428 Str/Dip/Rake: 173/51/-119 Len/Wid (km): 3.90/3.33
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@gCentBulletin
gCent
3 years
M5.5 Ethiopia (2022.12.26) https://t.co/JxrosUBzo9 ComCat Event ID: us6000jbsk gCent Params: Centroid lon/lat: 40.009/14.648 Centroid depth (km): 2.96 Depth range (km): 1.02-4.91 Geodetic Mag: Mw5.64 Slip mag (m): 0.277 Str/Dip/Rake: 153/59/-84 Len/Wid (km): 8.60/4.52
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@gCentBulletin
gCent
3 years
M5.4 Texas (2022.12.16) https://t.co/lnUYQK6TIc ComCat Event ID: tx2022yplg gCent Params: Centroid lon/lat: -102.145/32.196 Centroid depth (km): 4.92 Depth range (km): 4.63-5.22 Geodetic Mag: Mw5.18 Slip mag (m): 3.425 Str/Dip/Rake: 225/46/-114 Len/Wid (km): 0.79/0.81
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@gCentBulletin
gCent
3 years
M5.7 Iran (2022.11.30) https://t.co/W3jyzebS2k p166 2022.11.28-2022.12.10 p130 2022.11.25-2022.12.07 Centroid lon/lat: 55.325/26.852 Centroid depth (km): 6.87 Depth range (km): 6.75-6.99 Geodetic MagMw5.86 Slip mag (m): 1.820 Str/Dip/Rake: 263/10/94 Len/Wid (km): 9.94/1.30
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@gCentBulletin
gCent
3 years
M5.3 Canada (2022.11.30) https://t.co/NlinCHuwi7 p20: 2022.11.18-2022.11.30 Centroid lon/lat: -116.683/56.121 Centroid depth (km): 3.72 Depth range (km): 1.90-5.54 Geodetic Mag: Mw5.19 Slip mag (m): 0.152 Str/Dip/Rake: 286/49/93 Len/Wid (km): 3.12/4.86
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@gCentBulletin
gCent
3 years
M5.4 Texas (2022.11.16) https://t.co/bHciFaoeQq p85 2022.11.10-2022.11.22 p151 2022.11.15-2022.11.27 Centroid lon/lat: -103.984/31.611 Centroid depth (km): 5.33 Depth range (km): 4.99-5.67 Geodetic Mag: Mw5.16 Slip mag (m): 0.349 Str/Dip/Rake: 144/34/-82 Len/Wid (km): 4.82/1.22
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@gCentBulletin
gCent
3 years
M6.1 Turkey (2022.11.23) https://t.co/epxazexZoH p138: 2022.11.14-2022.11.26 p160: 2022.11.15-2022.11.27 Centroid lon/lat: 31.047/40.810 Centroid depth (km): 7.95 Depth range (km): 3.3-12.6 Geodetic Mag:Mw6.04 Slip mag (m): 0.208 Str/Dip/Rake: 262/62/-168 Len/Wid (km): 20.0/10.6
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@gCentBulletin
gCent
3 years
M6.9 Taiwan (2022.09.18) https://t.co/Htd0ajhkDq Sentinel-2 pixel tracking, N-S component 2022.09.17-2022.09.22 Note, colors reflect sub-pixel displacement and have not been converted to length displacement.
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@gCentBulletin
gCent
3 years
M6.9 Taiwan (2022.09.18) UPDATE: The feature we interpreted as a surface rupture appears to be an unfortunately-located sensor artifact. Further processing of additional scenes reveals a series of striping artifacts that are parallel to key faults.
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