Search Results - "Waldhauser, Felix"

Large-scale relocation of two decades of Northern California seismicity using cross-correlation and double-difference methods by Waldhauser, Felix, Schaff, David P.

“…We simultaneously reanalyzed two decades (1984–2003) of the digital seismic archive of Northern California using waveform cross‐correlation (CC) and…”
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Fault Planes, Fault Zone Structure and Detachment Fragmentation Resolved With High‐Precision Aftershock Locations of the 2016–2017 Central Italy Sequence by Waldhauser, Felix, Michele, Maddalena, Chiaraluce, Lauro, Di Stefano, Raffaele, Schaff, David P.

“…Three devastating earthquakes of MW ≥ 5.9 activated a complex system of high‐angle normal, antithetic, and sub‐horizontal detachment faults during the…”
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Juan de Fuca slab geometry and its relation to Wadati-Benioff zone seismicity by McCrory, Patricia A., Blair, J. Luke, Waldhauser, Felix, Oppenheimer, David H.

“…A new model of the subducted Juan de Fuca plate beneath western North America allows first‐order correlations between the occurrence of Wadati‐Benioff zone…”
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Enhanced Tidal Sensitivity of Seismicity Before the 2019 Magnitude 7.1 Ridgecrest, California Earthquake by Beaucé, Eric, Poli, Piero, Waldhauser, Felix, Holtzman, Benjamin, Scholz, Christopher

“…Earth's crust is continuously subjected to oscillatory stress perturbations due to the solid Earth and ocean tides. The seismic response to such stress…”
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Volcanic Precursor Revealed by Machine Learning Offers New Eruption Forecasting Capability by Wang, Kaiwen, Waldhauser, Felix, Tolstoy, Maya, Schaff, David, Sawi, Theresa, Wilcock, William S. D., Tan, Yen Joe

“…Seismicity at active volcanoes provides crucial constraints on the dynamics of magma systems and complex fault activation processes preceding and during an…”
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Relative Seismic Velocity Variations at Axial Seamount Observed With Ambient Seismic Noise Capture Transition Point in Volcanic Inflation by Lee, Michelle K., Tan, Yen Joe, Russell, Joshua B., Tolstoy, Maya, Waldhauser, Felix

“…Temporal changes in seismic velocity estimated from ambient seismic noise can be utilized to infer subsurface properties at volcanic systems. In this study, we…”
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Seismic constraints on caldera dynamics from the 2015 Axial Seamount eruption by Wilcock, William S. D., Tolstoy, Maya, Waldhauser, Felix, Garcia, Charles, Tan, Yen Joe, Bohnenstiehl, DelWayne R., Caplan-Auerbach, Jacqueline, Dziak, Robert P., Arnulf, Adrien F., Mann, M. Everett

“…Seismic observations in volcanically active calderas are challenging. A new cabled observatory atop Axial Seamount on the Juan de Fuca ridge allows…”
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Machine-Learning-Based High-Resolution Earthquake Catalog Reveals How Complex Fault Structures Were Activated during the 2016–2017 Central Italy Sequence by Tan, Yen Joe, Waldhauser, Felix, Ellsworth, William L., Zhang, Miao, Zhu, Weiqiang, Michele, Maddalena, Chiaraluce, Lauro, Beroza, Gregory C., Segou, Margarita

“…Abstract The 2016–2017 central Italy seismic sequence occurred on an 80 km long normal-fault system. The sequence initiated with the Mw 6.0 Amatrice event on…”
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Machine learning reveals cyclic changes in seismic source spectra in Geysers geothermal field by Holtzman, Benjamin K, Paté, Arthur, Paisley, John, Waldhauser, Felix, Repetto, Douglas

“…The earthquake rupture process comprises complex interactions of stress, fracture, and frictional properties. New machine learning methods demonstrate great…”
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Detecting Repeating Earthquakes on the San Andreas Fault with Unsupervised Machine Learning of Spectrograms by Sawi, Theresa, Waldhauser, Felix, Holtzman, Benjamin K., Groebner, Nate

“…Abstract Repeating earthquakes—sequences of colocated, quasi-periodic earthquakes of similar size—are widespread along California’s San Andreas fault (SAF)…”
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Fault structure and mechanics of the Hayward Fault, California, from double-difference earthquake locations by Waldhauser, Felix, Ellsworth, William L.

“…The relationship between small‐magnitude seismicity and large‐scale crustal faulting along the Hayward Fault, California, is investigated using a…”
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Regional and teleseismic double-difference earthquake relocation using waveform cross-correlation and global bulletin data by Waldhauser, Felix, Schaff, David

“…We have developed a double‐difference algorithm to relocate earthquakes recorded at global seismic networks, using differential arrival times for first and…”
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A comprehensive suite of earthquake catalogues for the 2016-2017 Central Italy seismic sequence by Chiaraluce, Lauro, Michele, Maddalena, Waldhauser, Felix, Tan, Yen Joe, Herrmann, Marcus, Spallarossa, Daniele, Beroza, Gregory C., Cattaneo, Marco, Chiarabba, Claudio, De Gori, Pasquale, Di Stefano, Raffaele, Ellsworth, William, Main, Ian, Mancini, Simone, Margheriti, Lucia, Marzocchi, Warner, Meier, Men-Andrin, Scafidi, Davide, Schaff, David, Segou, Margarita

“…The protracted nature of the 2016-2017 central Italy seismic sequence, with multiple damaging earthquakes spaced over months, presented serious challenges for…”
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Preliminary Observations of the 5 April 2024 Mw 4.8 New Jersey Earthquake by Boyd, Oliver S., Barnhart, William D., Bourke, James, Chapman, Martin, Earle, Paul S., Huang, Guo-chin Dino, Thompson Jobe, Jessica A., Kim, Won-Young, Link, Frederik, Litherland, Mairi, Lloyd, Andrew, Long, Maureen D., McBride, Sara, Michael, Andrew J., Mooney, Walter D., Mountain, Gregory S., Nikolaou, Sissy, Savvaidis, Alexandros, Waldhauser, Felix, Wolfe, Cecily J., Yoon, Clara

“…Abstract On 5 April 2024, 10:23 a.m. local time, a moment magnitude 4.8 earthquake struck Tewksbury Township, New Jersey, about 65 km west of New York City…”
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Inner Core Differential Motion Confirmed by Earthquake Waveform Doublets by Zhang, Jian, Song, Xiaodong, Li, Yingchun, Richards, Paul G, Sun, Xinlei, Waldhauser, Felix

“…We analyzed 18 high-quality waveform doublets with time separations of up to 35 years in the South Sandwich Islands region, for which the seismic signals have…”
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High-resolution image of Calaveras Fault seismicity by Schaff, David P., Bokelmann, Götz H. R., Beroza, Gregory C., Waldhauser, Felix, Ellsworth, William L.

“…By measuring relative earthquake arrival times using waveform cross correlation and locating earthquakes using the double difference technique, we are able to…”
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Fault structure and kinematics of the Long Valley Caldera region, California, revealed by high-accuracy earthquake hypocenters and focal mechanism stress inversions by Prejean, Stephanie, Ellsworth, William, Zoback, Mark, Waldhauser, Felix

“…We have determined high‐resolution hypocenters for 45,000+ earthquakes that occurred between 1980 and 2000 in the Long Valley caldera area using a…”
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The applicability of modern methods of earthquake location by RICHARDS, Paul G, WALDHAUSER, Felix, SCHAFF, David, KIM, Won-Young

“…We compare traditional methods of seismic event location, based on phase pick data and analysis of events one-at-a-time, with a modern method based on…”
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Slip-parallel seismic lineations on the Northern Hayward Fault, California by Waldhauser, Felix, Ellsworth, William L., Cole, Alex

“…A high‐resolution relative earthquake location procedure is used to image the fine‐scale seismicity structure of the northern Hayward fault, California. The…”
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Evidence for both crustal and mantle earthquakes in the subducting Juan de Fuca plate by Cassidy, John F., Waldhauser, Felix

“…We investigate the relationship between high‐precision hypocentres in the subducting Juan de Fuca plate beneath southwest British Columbia, and the velocity…”
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