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78 results for “Earthquake catalog”
Stress Drop Catalog for "Spatio-temporal evolution of earthquake static stress drop values in the 2016-2017 Central Italy seismic sequence" - Kemna et al. 2021 JGR - Solid Earth
<p>Catalog with stress drop estimates for "Spatio-temporal evolution of earthquake static stress drop values in the 2016-2017 Central Italy seismic sequence"</p> <p>Kemna et al., 2021, JGR: Solid-Earth, https://doi.org/10.1029/2021JB022566.</p> <p>Description of columns:</p> <p><strong>Earthquake information</strong></p> <ul> <li>ID - INGV Earthquake ID</li> <li>Latitude - Latitude in Degrees</li> <li>Longitude - Longitude in Degrees</li> <li>Depth - Depth in km</li> <li>Magnitude_INGV - Magnitude reported by INGV</li> <li>Origin_UTC - UTC Origin Time in ISO Format</li> <li>Catalog - Catalog source of specific event. See section 2.1 for details</li> <li>Profile_distance_norcia - Distance of earthquake from Norcia Mainshock location projected onto a NW-SE trending line</li> <li>Dayafter_20160101 - Day after start of catalog in float</li> </ul> <p><strong>Single spectra fitting estimates</strong></p> <ul> <li>mw_s_mean - Moment Magnitude averaged over station estimates</li> <li>mw_s_err - 95% error (from delete-one jackknife-mean)</li> <li>m0_s_mean - Seismic Moment in Nm averaged over station estimates</li> <li>m0_s_err - 95 % error(from delete-one jackknife-mean)</li> <li>fc_s_sssa_mean - Corner frequency estimate averaged over station estimates</li> <li>fc_s_sssa_err - 95 % error(from delete-one jackknife-mean)</li> <li>strdrop_s_sssa_mean - Stress drop estimate averaged over station estimates</li> <li>strdrop_s_sssa_err - 95 % error(from delete-one jackknife-mean)</li> <li>sample_size_s_sssa - Number of stations with an estimate</li> <li>azimuthal_gap_s_sssa - Maximum azimuthal gap</li> <li>alpha_vel - P-wave velocity in m/s at Hypocenter</li> <li>beta_vel - S-wave velocity in m/s at Hypocenter</li> </ul> <p><strong>Cluster-event method estimates</strong></p> <ul> <li>fc_s_cema_mean - Corner frequency estimated averaged over clusters</li> <li>fc_s_cema_err - 95 % error(from delete-one jackknife-mean)</li> <li>strdrop_s_cema_mean - Stress drop estimate using Magnitude estimate from single spectra fitting</li> <li>strdrop_s_cema_err - 95 % error</li> </ul> <p><strong>Spectral Ratio fitting estimates</strong></p> <ul> <li>fc1_s_rsta_mean - Target event corner frequency estimate using automatic source spectra fitting averaged over eGfs</li> <li>fc1_s_rsta_err - 95 % error(from delete-one jackknife-mean)</li> <li>strdrop_s_rsta_mean - Stress drop estimate using Magnitude estimate from single spectra fitting</li> <li>strdrop_s_rsta_err - 95 % error</li> <li>egf_number_rsta_s - Number of eGfs for each target event</li> <li>fc1_s_rrta_mean - Target event corner frequency estimate using semi-automatic spectral ratiofitting averaged over eGfs</li> <li>fc1_strdrop_s_rrta_mean - Stress drop estimate using Magnitude estimate from single spectra fitting</li> <li>fc2_s_rrea_mean - eGf event corner frequency estimate using semi-automatic spectral ratiofitting averaged over eGfs</li> <li>fc2_strdrop_s_rrea_mean - Stress drop estimate using Magnitude estimate from single spectra fitting</li> </ul> <p><strong>Magnitude-normalized stress drop</strong></p> <ul> <li>prio_strdrop_s - Which type of estimate is used</li> <li>magbin_s - Magnitude bin to which event is associated</li> <li>prio_strdrop_s_magbinmean - Stress drop mean for specific magnitude bin</li> <li>prio_strdrop_s_magbinstderr - 95 % error(from delete-one jackknife-mean)</li> <li>prio_strdrop_s_magnitude-normalized - Magnitude-normalized stress drop estimate</li> </ul>
Catalog of deep low-frequency earthquakes in 52 regions of Japan
<p>Catalog of deep low-frequency earthquakes in 52 regions all over Japan. </p> <p>Period: April 2004-December 2018</p> <p>This dataset includes all results of relocation, classification, and detection. </p> <p>The contents of analyses and results are published in "Journal of Geophysical Research" (<a href="https://doi.org/10.1029/2021JB022173">https://doi.org/10.1029/2021JB022173</a>).</p> <p><strong>Include files</strong></p> <p><strong>・regionlist.dat: </strong>List of target regions of this study.</p> <p>1regionname, 2min longitude, 3max longitude, 4min latitude, 5max latitude</p> <p><strong>・DLF_catalog_JMA: </strong>Results of relocation and classification for the DLF earthquakes in the earthquake catalog of Japan Meteorology Agency. </p> <p>20 Jul. 2021: Errors of relocated hypocenters were added.</p> <p><strong>・DLF_catalog_MFT: </strong>Results of detection for the DLF earthquakes based on Matched Filter Technique. Results of relocation and classification are also included. </p>
Antelope Valley Earthquake Sequence Relocated Catalog
<p>Relocated earthquake catalog for the Antelope Valley Earthquake sequence in GrowClust output format. This is a space-delimited file with the following columns:</p> <ul> <li>yr mon day hr min sec: relocated origin time (columns 1-6)</li> <li>evid: event ID (column 7)</li> <li>latR lonR depR: relocated latitude, longitude and depth (decimal degrees and km; columns 8-10)</li> <li>mag: event magnitude (column 11)</li> <li>qID cID nbranch: event serial ID number, cluster serial ID number, total number of events in this cluster (columns 12-14)</li> <li>qnpair qndiffP qndiffS: number of event pairs, P-phase differential times, and S-phase differential times used to relocate this event (columns 15--17)</li> <li>rmsP rmsS: RMS residual differential times for this event for P-phases and S-phases (s; columns 18-19)</li> <li>eh ez et: estimated location errors in horizontal (km), vertical (km), and origin time (s; columns 20-22)</li> <li>latC lonC depC: initial (catalog) latitude, longitude and depth (decimal degrees and km; columns 23-25)</li> </ul> <p>Note that events that are not waveform relocated with have nbranch = 1. This includes the mainshock and several other large events, which typically have waveforms that are too complex to be confidently relocated with waveform cross-correlation.</p>
Precise, NLL-SSST-coherence hypocenter catalog for the 2023 Mw 7.8 and Mw 7.6 SE Turkey earthquake sequence.
<p><strong>CSV catalog file and visualizations of NLL-SSST-coherence earthquake relocations for the 2023 Mw 7.8 and Mw 7.6, Kahramanmaraş - Gaziantep, Turkey earthquake sequence (28,264 events, M≥1.5, 2023-01-01 to 2023-06-24).</strong></p> <p>NLL-SSST-coherence (<a href="https://doi.org/10.1029/2021JB023190">Lomax and Savvaidis, 2022</a>; <a href="https://doi.org/10.26443/seismica.v2i1.324">Lomax and Henry, 2023</a>) is an enhanced, absolute-timing earthquake location procedure which 1) iteratively generates spatially varying travel-time corrections to improve multi-scale location precision and 2) uses waveform similarity to improve fine-scale location precision.</p> <p>Relocations performed with merged phase arrival data available from AFAD (<a href="https://deprem.afad.gov.tr/event-catalog">https://deprem.afad.gov.tr/event-catalog</a>) and KOERI (<a href="http://www.koeri.boun.edu.tr/sismo/2/bultenler">http://www.koeri.boun.edu.tr/sismo/2/bultenler</a>) downloaded on 2023-06-23. All events in the AFAD catalog with M≥1.5 are used for relocation; for each AFAD event, arrival data for the corresponding events from KOERI is merged when available (epicenter within 10km, origin time within 10 sec).</p> <p>Seismic velocity model is a smoothed version of the "Final 1-D" velocity model from:<br> Acarel, D., Cambaz, M.D., Turhan, F., Mutlu, A.K. & Polat, R., 2019. Seismotectonics of Malatya Fault, Eastern Turkey. Open Geosciences, 11, 1098–1111. Available at: <a href="https://doi.org/10.1515/geo-2019-0085">https://doi.org/10.1515/geo-2019-0085</a>.</p> <p>[For relocations of events starting from 2020-01-01 through 2023-03-04 and including the 2020 Mw 6.8 Elazığ, Turkey sequence, see v1.0 of this dataset: <a href="https://doi.org/10.5281/zenodo.7699882">https://doi.org/10.5281/zenodo.7699882</a>]<br> </p> <p>This repository archive file contains:</p> <p><strong>Full catalog in CSV format</strong>: X_Turkey_20230624A_Acarel2019smooth_NLL-SSST-coherence_M1.5.csv<br> CSV file data columns correspond to selected fields of the of NonLinLoc Hypocenter format output <a href="http://alomax.free.fr/nlloc/soft7.00/formats.html#_location_hypphs_">http://alomax.free.fr/nlloc/soft7.00/formats.html#_location_hypphs_</a></p> <p><strong>Key NLL-SSST-coherence configuration files</strong>: NLL-SSST-coherence_config/</p> <p><strong>Visualization images:</strong></p> <p> <strong>Full catalog</strong>: A_Turkey_20230624A_Acarel2019smooth_NLL-SSST-coherence_M1.5.png<br> <strong>Events with (68% location ellipsoid) err ≤ 8km, origin-time color scale</strong>: B_Turkey_20230624A_Acarel2019smooth_NLL-SSST-coherence_M1.5_se8km_OTIME.png<br> <strong>Events with err ≤ 8km</strong>: B_Turkey_20230624A_Acarel2019smooth_NLL-SSST-coherence_M1.5_se8km.png<br> <strong>Events with err ≤ 8km, depth ≤ 10km</strong>: C_Turkey_20230624A_Acarel2019smooth_NLL-SSST-coherence_M1.5_se8km_z-10.png<br> <strong>Events with err ≤ 8km, depth ≥ 10km</strong>: C_Turkey_20230624A_Acarel2019smooth_NLL-SSST-coherence_M1.5_se8km_z10-.png</p> <p>Symbol size is proportional to event magnitude.<br> AFAD stations shown by light gray inverted pyramids.<br> KOERI stations shown by dark gray inverted pyramids.</p> <p>Origin-time plot event colors:<br> Blue: before 2023-02-06 M 7.8 event<br> Yellow: from 2023-02-06 01h17 UTC M 7.8 event through 2023-02-06 10h24 UTC M 7.6 event<br> Orange to Red: after 2023-02-06 10h24 UTC M 7.6 event</p> <p>Plot data:<br> Background image from https://opentopography.org<br> Mapped surface faults (light purple) from: Emre, Ö., Duman, T.Y., Özalp, S., Şaroğlu, F., Olgun, Ş., Elmacı, H. & Çan, T., 2018. Active fault database of Turkey. <em>Bull Earthquake Eng</em>, <strong>16</strong>, 3229–3275. <a href="https://doi.org/10.1007/s10518-016-0041-2">https://doi.org/10.1007/s10518-016-0041-2</a><br> Surface Rupture Lines (green) from: Reitman, N.G., Briggs, R.W., Barnhart, W.D., Thompson Jobe, J.A., DuRoss, C.B., Hatem, A.E., Gold, R.D., Akçiz, S., Koehler, R.D., Mejstrik, J.D., Collett, C., 2023, Fault rupture mapping of the 6 February 2023 Kahramanmaraş, Türkiye, earthquake sequence from satellite data: U.S. Geological Survey data release, <a href="https://doi.org/10.5066/P985I7U2">https://doi.org/10.5066/P985I7U2</a>.</p> <p> </p> <p>Thanks to Sinan Ozeren, Didem Cambaz, Fatih Turhan, Dogan Kalafat, Selda Altuncu Poyraz, Kıvanç Kekovalı, Onur Tan, Alberto Michelini and Pierre Henry for assistance and discussions.</p>
An improved earthquake catalog during the 2018 Kilauea eruption from combined onshore and offshore seismic arrays
Open the record for dataset details and reuse information.
Relocated Earthquake Catalog (Shallow Depth) for West Java-Indonesia (2009 to 2015)
<p>Relocated Earthquake Catalog (Shalloh Depth) for West Java-Indonesia (2009 to 2015)</p> <p>Please refer to:</p> <p>Supendi, P., Nugraha, A.D., Puspito, N.T., Widiyantoro, S., Daryono, D. (2018). Identification of active faults in West Java, Indonesia, based on earthquake hypocenter determination, relocation, and focal mechanism analysis. Geosci. Lett. 5, 31, https://doi.org/10.1186/s40562-018-0130-y</p>
Relocated Earthquake Catalog - Seismogenic Depth Variation across the Transtensional Northern Walker Lane
<p>Combined absolute and Growclust relocated earthquake catalog for the Reno-Tahoe area from 2002-2019. File format (by column):</p> <ol> <li>Event ID (EVID)</li> <li>Latitude</li> <li>Longitude</li> <li>Depth (km)</li> <li>Year</li> <li>Month</li> <li>Day</li> <li>Hour</li> <li>Minute</li> <li>Second</li> <li>Local Magnitude</li> <li>Relocated Flag (1 = GrowClust Relocated, 0 = Absolute Location Only)</li> </ol>
Application of an ensemble earthquake rate model in Italy, considering seismic catalogs and fault moment release - Models and Catalogs
<p>Models and Catalogs for "Application of an ensemble earthquake rate model in Italy, considering seismic catalogs and fault moment release" , Murru et al. 2020</p>
Relocated Earthquake Catalog for Sumatra-Indonesia (April 2009 to December 2022)
<p>Relocated Earthquake Catalog for Sumatra (April 2009 to December 2022). </p> <p>Please refer to:</p> <p>Widiyantoro, S., Supendi, P., Rawlinson, N. et al. A note on the seismicity of Sumatra, western Sunda Arc, Indonesia, in relation to the potential for back-arc thrusting. Sci Rep 14, 13115 (2024). https://doi.org/10.1038/s41598-024-64076-7</p>
3D-CMT catalog of earthquakes in Noto Peninsula, central Japan
<p>The CMT solutions are obtained in "Aftershock characteristics of the 2024 Noto Peninsula earthquake (Mw7.5) through centroid moment tensor analysis using a 3-D seismic velocity structure model" by Lina Yamaya, Hisahiko Kubo, Katsuhiko Shiomi, and Takeshi Kimura.</p> <ul> <li>Aftershocks (Mw of 3.2–5.8) of the 2024 Noto Peninsula earthquake, central Japan </li> <li>Earthquakes occurring between 2007 to 2023</li> </ul> <p>Data format: YYYY-MM-DD (JMA origin at JST), time (JMA origin at JST), YYYY-MM-DD<br>(JMA origin at UTC), time (JMA origin at UTC], longitude, latitude, depth, Mrr, Mtt, Mff, Mrt, Mrf, Mtf (Nm), time shift, variance reduction, Mw</p> <p>The centroid times of the 3D-CMT solutions can be obtained by adding the time shift to the JMA origin time (columns 1 and 2, or 3 and 4).</p> <p>"Noto_aftershock.zip" and "Noto_2007_2023.zip" files include 3D-CMT solutions for the earthquakes and station lists.</p> <p>This dataset is for a submitted manuscript.</p> <p>For more information, please contact the creator.</p>
Characteristically repeating earthquake catalog for Mendocino - Maacama fault
<p>Characteristically repeating earthquake catalog for Mendocino - Maacama fault</p>
Characteristically repeating earthquake catalog for San Juan Bautista - Parkfield region
<p>Characteristically repeating earthquake catalog for San Juan Bautista - Parkfield region </p>
The relocated catalog of the 2021 Flores Sea earthquake
<p>The relocated catalog of the 2021 Flores Sea earthquakes</p> <p>Please refer to:</p> <p>Supendi, P., Rawlinson, N., Prayitno, B.S., Widiyantoro, S., Simanjuntak, A., Palgunadi, K.H., Kurniawan, A., Marliyani, G.I., Nugraha, A.D., Daryono, D., Anugrah, S.D., Fatchurochman, I., Gunawan, M.T., Sadly, M., Adi, S.P., Karnawati, D., Arimuko, A. (2022). The Kalaotoa Fault: A newly identified fault that generated the Mw 7.3 Flores Sea Earthquake. The Seismic Record (2022) 2 (3): 176–185.</p>
CMT catalog of small-to-moderate earthquakes at off Ibaraki region
<p>CMT catalog of small-to-moderate earthquakes at off Ibaraki region</p> <p> </p> <p>The CMT solutions are obtained in “CMT inversion for small-to-moderate earthquakes applying to dense short-period OBS array at off Ibaraki region” by Lina Yamaya, Kimihiro Mochizuki, Takeshi Akuhara, Shunsuke Takemura, Masanao Shinohara, and Tomoaki Yamada.</p> <ul> <li>Aftershocks of the 2011 Tohoku-oki earthquake with Mw 9.0</li> <li>March 11, 2011 to September 17, 2011</li> <li>Mw2.5–4.5</li> </ul> <p>Data format: Date (“YYMMDDHHMMSS”), lng, lat, dep, Mrr, Mtt, Mff, Mrt, Mrf, Mtf, 0, 0, exponent (dyne-cm), VR, 68% confidence interval of Kagan angle by bootstrap result, 95% confidence interval of Kagan angle, Mw</p> <p> </p> <p>The seismic velocity model is the input file for using Open SWPC. Note that the details are shown in "Sedimentary structure from multi-mode ambient noise tomography with dense OBS network at the Japan Trench" by Lina Yamaya, Kiminiro Mochizuki, Takeshi Akuhara, and Kiwamu Nishida. Related link: <a href="https://doi.org/10.5281/zenodo.4719128">10.5281/zenodo.4719128</a></p> <p> </p> <p>For more information, please contact the first author.</p>
The relocated catalog of the 2022 Pasaman (West Sumatra) earthquake
<p>The relocated catalog of the 2022 Pasaman (West Sumatra) earthquake</p> <p>Please refer to:</p> <p>Supendi, P., Rawlinson, N., Prayitno, B.S., Sianipar, D., Simanjuntak, A., Widiyantoro, S., Palgunadi, K.H., Kurniawan, A., Shiddiqi, H.A., Nugraha, A.D., Sahara, D.P., Daryono, D., Triyono, R., Adi, S.P., Karnawati, D., Daniarsyad, G., Ahadi, S., Fatchurochman, I., Anugrah, S.D., Heryandoko, N., Sudrajat, A. (2022). A hidden fault revealed by the February 25, 2022 (Mw 6.1) Pasaman Earthquake, West Sumatra, Indonesia, Physics of the Earth and Planetary Interiors, 106973. https://doi.org/10.1016/j.pepi.2022.106973</p>
The 19-day aftershock catalog following the 2024 Noto Peninsula earthquake
Open the record for dataset details and reuse information.
Relocated Earthquake Catalog near the Hypocenter of the 2024 Mw7.5 Noto Peninsula, Japan, Earthquake (from March 2003 to March 2024)
<p>Relocated hypocenters of earthquakes near the Hypocenter of the 2024 Mw7.5 Noto Peninsula, Japan, earthquake from March 2003 to March 2024 are available here.</p> <p>The ASCII file "hypocenters.out" contains the relocated hypocenters of 31158 earthquakes. Columns 1–6 show the occurrence time (JST). $1: year, $2: month, $3: day, $4: hour, $5: minute, and $6: second. Columns 7, 8, and 9 show the locations. $7: longitude (degree), $8: latitude (degree), and $9: depth (km). Columns 10 and 11 show the magnitude and ID according to JMA, respectively. </p>
Synthetic catalog of seismicity and stressing rate history for "Scaling and variability of interacting repeating earthquake sequences controlled by asperity density"
<p>Sheets 1 to 14: Synthetic catalogs of seismicity listing (for each earthquake):</p> <ul> <li>non dimensional time (1st column)</li> <li>non dimensional seismic moment (2nd column)</li> <li>non dimensional equivalent source radius (3rd column)</li> <li>non dimensional position along strike x (4th column)</li> <li>non dimensional position along dip y (5th column)2</li> </ul> <p>Sheets 15 to 28: time series of the spatial average of:</p> <ul> <li>non dimensional slip (2nd column)</li> <li>non dimensional slip rate (3rd column) </li> <li>non dimensional shear stress (4th column)</li> </ul> <p>Time series corresponding to catalog in sheet i is provided in sheet i+14. See the reference paper for details about the non dimensionalization.</p>
The earthquake catalog in the Changning shale gas field based on dense array
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SF-CMT catalog of moderate-to-large earthquakes at Japan Trench subduction zone
<p>The CMT solutions are obtained in “Impact of offshore seismograph network and 3-D seismic velocity structure model on centroid moment tensor analysis for offshore earthquake: Application to the Japan Trench subduction zone” by Lina Yamaya, Hisahiko Kubo, Katsuhiko Shiomi, and Shunsuke Takemura.</p> <ul> <li>Earthquakes at the Japan Trench subduction zone</li> <li>April 1, 2017 to March 31, 2024</li> <li>Mw of 5.2–7.0</li> </ul> <p>Data format: YYYY-MM-DD (JMA origin at JST), time (JMA origin at JST), YYYY-MM-DD<br>(JMA origin at UTC), time (JMA origin at UTC], longitude, latitude, depth, Mrr, Mtt, Mff, Mrt, Mrf, Mtf (Nm), time shift, variance reduction, Mw</p> <p>The centroid times of the SF-CMT and F-CMT solutions can be obtained by adding the time shift to the JMA origin time (columns 1 and 2, or 3 and 4).</p> <p>"SFCMT.zip" and "FCMT.zip" files include SF-CMT and F-CMT solutions for the earthquakes and station lists.</p> <p> </p> <p>Manuscript DOI: <a href="https://doi.org/10.1029/2024JB029944">10.1029/2024JB029944</a></p> <p>For more information, please contact the creator.</p>
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