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6 results for “Pohang earthquake”
Dataset for "Partitioned fault movement and aftershock triggering: evidence for fault interactions during the 2017 Mw 5.4 Pohang earthquake, South Korea"
<p>This repository contains the seismograms of the Korea Institute of Geoscience and Mineral Resources (KIGAM) and the Korea Institute of Nuclear Safety (KINS) used in Son et al. (2020). The uploaded waveforms were filtered according to the Supporting Information of Son et al. (2020). Continuous waveforms are available via the Korea Meteorological Administration (KMA; http://necis.kma.go.kr).</p> <p>Suggested citation: Son, M., Cho, C. S., Lee, H. K., Han, M., Shin, J. S., Kim, K., Kim, S. (2020). Partitioned fault movement and aftershock triggering: evidence for fault interactions during the 2017 Mw 5.4 Pohang earthquake, South Korea. Journal of Geophysical Research: Solid Earth, e2020JB020005. <a href="https://doi.org/10.1029/2020JB020005">https://doi.org/10.1029/2020JB020005</a></p>
Aftershock data for the 2017 MW5.5 Pohang earthquake
<p><strong># written by J.-U. Woo</strong><br> Data includes [1] initial earthquake catalog and [2] relocated earthquake catalog</p> <p><strong>Suggested citations:</strong><br> (For the uploaded catalogs) <strong>1.</strong> J.-U. Woo, M. Kim, J. Rhie, and T.-S. Kang, 2020, Aftershock sequence and statistics of the 2017 MW 5.5 Pohang earthquake, South Korea: implications of fault heterogeneity and post-seismic relaxation, Bulletin of Seismological Society of America. Detailed information will be posted on the zenodo website.</p> <p><strong>Further suggested citations:</strong><br> (For 1-D velocity model at EGS site and catalogs at Pohang EGS site) <strong>2.</strong> J.-U. Woo, M. Kim, D.-H. Sheen, T.-S. Kang, J. Rhie, F. Grigoli, W.L. Ellsworth, D. Giardini, 2019, An In-Depth Seismological Analysis Revealing a Causal Link Between the 2017 MW 5.5 Pohang Earthquake and EGS Project, JGR solid earth, doi:10.1029/2019JB018368.<br> <strong>3.</strong> W.L. Ellsworth, D. Giardini, J. Townend, S. Ge, and T. Shimamoto, 2019, Triggering of the Pohang, Korea, Earthquake (Mw 5.5) by Enhanced Geothermal System Stimulation. Seismological Research Letters, 90(5), 1844-1858.<br> <strong>4.</strong> K.-K. Lee, W.L. Ellsworth, D. Giardini, J. Townend, S. Ge, T. Shimamoto, I.-W. Yeo, T.-S. Kang, J. Rhie, D.-H. Sheen, C. Chang, J.-U. Woo, C. Langenbruch, 2019, Managing injection-induced seismic risks. Science, 364(6442), 730-732.<br> <strong>5.</strong> C. Langenbruch, W. L. Ellsworth, J.-U. Woo and D. J. Wald, 2020, Value at Induced Risk: Injection-induced seismic risk from low-probability, high-impact events. Geophysical Research Letters, 47, e2019GL085878. http://doi.org/10.1029/2019GL085878.</p> <p><strong>Descriptions:</strong><br> [1] Initial earthquake catalog (cat1)<br> - First column: event index (sequentially increasing number)<br> - Second column: event ID<br> - Third column: event origin date as year/month/day_of_month<br> - Fourth column: event origin time as hour:minute:second<br> - Fifth and sixth columns: latitude and longitude in degree<br> [2] Relocated earthquake catalog (cat2)<br> - First column: event index (linked with event index of cat1)<br> - Second column: event ID (linked with event ID of cat2)<br> - Third column: event origin date as year/month/day_of_month<br> - Fourth column: event origin time as hour:minute:second<br> - Fifth and sixth columns: latitude and longitude in degree<br> - Seventh column: depth in km<br> - Eighth column: 1.96*(standard deviation of W-E relative locations obtained from 200 times of bootstrap resampling) in meter<br> - Ninth column: 1.96*(standard deviation of S-N relative locations obtained from 200 times of bootstrap resampling) in meter<br> - Tenth column: 1.96*(standard deviation of relative depths obtained from 200 times of bootstrap resampling) in meter</p>
Data for the seismological studies on the 2017 MW5.5 Pohang earthquake
<p><strong># written by J.-U. Woo</strong><br> Data includes [1] cut seismogram provided from the Korea Meteorological Administration (KMA), Korea Institute of Geoscience and Mineral Resources (KIGAM), and Korea Hydro & Nuclear Power (KHNP), [2] an example of waveform cross-correlation, [3] phase arrival times, [4] cross-correlation measurements, and [5-7] three earthquake catalogs (1-3).</p> <p><strong>Suggested citation:</strong><br> <strong>1</strong>. J.‐U. Woo, M. Kim, D.‐H. Sheen, T.‐S. Kang, J. Rhie, F. Grigoli, W.L. Ellsworth, D. Giardini, 2019, An In‐Depth Seismological Analysis Revealing a Causal Link Between the 2017 M<sub>W</sub> 5.5 Pohang Earthquake and EGS Project, JGR solid earth, doi:10.1029/2019JB018368.</p> <p><strong>Further suggested citations:</strong></p> <p><strong>2</strong>. W.L. Ellsworth, D. Giardini, J. Townend, S. Ge, and T. Shimamoto, 2019, Triggering of the Pohang, Korea, Earthquake (Mw 5.5) by Enhanced Geothermal System Stimulation. Seismological Research Letters, 90(5), 1844-1858.</p> <p><strong>3</strong>. K.-K. Lee, W.L. Ellsworth, D. Giardini, J. Townend, S. Ge, T. Shimamoto, I.-W. Yeo, T.-S. Kang, J. Rhie, D.-H. Sheen, C. Chang, J.-U. Woo, C. Langenbruch, 2019, Managing injection-induced seismic risks. Science, 364(6442), 730-732.</p> <p><strong>4</strong>. C. Langenbruch, W. L. Ellsworth, J.-U. Woo and D. J. Wald, 2020, Value at Induced Risk: Injection-induced seismic risk from low-probability, high-impact events. Geophysical Research Letters, 47, e2019GL085878. http://doi.org/10.1029/2019GL085878.</p> <p><strong>Descriptions:</strong><br> [1] Cut seismogram ("wf_cut.gz"): Each sac file is named as "(station name).(event ID of catalog1).(component; E/N/Z).sac".<br> - Zero-padding may be applied to some waveforms.<br> [2] An example of waveform cross-correlation ("wf_cc.gz"): See the README.txt in "wf_cc.gz" for details<br> [3] Phase arrival times ("phphase.txt"):<br> - First column: event ID of catalog1<br> - Second column: station name<br> - Third column: yyyymmddHHMMDD (year, month, day of month, hour, minute)<br> - Fourth and fifth columns: P-wave arrivals in second (N/A: non available)<br> - Sixth and seventh columns: S-wave arrivals in second (N/A: non available)<br> [4] Waveform cross-correlation data ("phcc.txt"):<br> - First column: event 1 ID<br> - Second column: event 2 ID<br> - Third column: station name<br> - Fourth column: arrival time difference between event 1 and event2. The arrival time differences should be added to the arrivals of the event 2 to make maximum cross-correlation coefficients. See the details in [2].<br> - Fifth column: waveform cross-correlation coefficient after alignment<br> - Sixth column: two letters for component (E/N/Z) & phase(P/S), repectively<br> [5] Earthquake catalog 1 ("catalog1.txt") for initial locations<br> [6] Earthquake catalog 2 ("catalog2.txt") for final locations<br> [7] Earthquake catalog 3 ("catalog3.txt") regarding to the determined focal mechanisms</p>
Geomechanical data for Pohang earthquakes, South Korea
<p>These files contain data used in the manuscript entitled "Stress state and fault slip susceptibility prior to the 2017 M<sub>W</sub> 5.5 Pohang earthquake triggered by enhanced geothermal system stimulation" submitted to G-Cubed.</p>
Pohang earthquake continuous data - USN excluded
<p>Continuous seismic waveform data (1-hour segments) for 2017 Pohang earthquake region in South Korea with sac format. 11 station's data (except USN) was compressed using 7-ZIP in 2GB increments. </p> <p> </p>
Gyungju and Pohang earthquake's continuous data
<p>Continuous seismic waveform data (1-hour segments) for southeastern South Korea: the 2016 Gyeongju earthquake (GE) and the 2017 Pohang earthquake (PE). 9 station's data for GE and 1 station (USN) for PE was compressed using 7-ZIP in 1-2GB increments. </p> <p> </p>
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