Collective behavior of earthquakes and faults: Continuum‐discrete transitions, progressive evolutionary changes, and different dynamic regimes

Y Ben‐Zion - Reviews of Geophysics, 2008 - Wiley Online Library
Crustal deformation patterns are affected by multiscale granulation and healing processes
associated with phase transitions between continuum and discrete states of rocks. The …

Intra-continental earthquake swarms in West-Bohemia and Vogtland: a review

T Fischer, J Horálek, P Hrubcová, V Vavryčuk, K Bräuer… - Tectonophysics, 2014 - Elsevier
Earthquake swarms and high CO 2 flow of mantle origin are the characteristic features of
West Bohemia/Vogtland (Central Europe). At present, the highest concentration of …

Earthquake focal mechanisms with distributed acoustic sensing

J Li, W Zhu, E Biondi, Z Zhan - Nature Communications, 2023 - nature.com
Earthquake focal mechanisms provide critical in-situ insights about the subsurface faulting
geometry and stress state. For frequent small earthquakes (magnitude< 3.5), their focal …

Fluid‐faulting evolution in high definition: Connecting fault structure and frequency‐magnitude variations during the 2014 Long Valley Caldera, California, earthquake …

DR Shelly, WL Ellsworth, DP Hill - Journal of Geophysical …, 2016 - Wiley Online Library
An extended earthquake swarm occurred beneath southeastern Long Valley Caldera
between May and November 2014, culminating in three magnitude 3.5 earthquakes and …

An upper-crust lid over the Long Valley magma chamber

E Biondi, W Zhu, J Li, EF Williams, Z Zhan - Science Advances, 2023 - science.org
Geophysical characterization of calderas is fundamental in assessing their potential for
future catastrophic volcanic eruptions. The mechanism behind the unrest of Long Valley …

Earthquakes influenced by water

C Wang, M Manga - Water and Earthquakes, 2021 - Springer
Injecting fluids in the crust, or their extraction, changes pore pressure and poroelastic
stresses. Both pressure and stress changes can promote seismicity and, hence, the seismic …

[PDF][PDF] FOCMEC: Focal mechanism determinations

JA Snoke, WHK Lee, H Kanamori… - … of earthquake and …, 2003 - researchgate.net
This report accompanies a package for determining and displaying double-couple
earthquake focal mechanisms. Input are polarities (P, SV, SH) and/or amplitude ratios (SV/P …

A survey of 71 earthquake bursts across southern California: Exploring the role of pore fluid pressure fluctuations and aseismic slip as drivers

JE Vidale, PM Shearer - Journal of Geophysical Research …, 2006 - Wiley Online Library
We investigate the cause of seismicity bursts by examining a waveform‐relocated catalog for
southern California between 1984 and 2002 and systematically identifying 71 isolated …

A fluid‐driven earthquake swarm on the margin of the Yellowstone caldera

DR Shelly, DP Hill, F Massin, J Farrell… - Journal of …, 2013 - Wiley Online Library
Over the past several decades, the Yellowstone caldera has experienced frequent
earthquake swarms and repeated cycles of uplift and subsidence, reflecting dynamic …

Depth dependence of permeability in the Oregon Cascades inferred from hydrogeologic, thermal, seismic, and magmatic modeling constraints

MO Saar, M Manga - Journal of Geophysical Research: Solid …, 2004 - Wiley Online Library
We investigate the decrease in permeability, k, with depth, z, in the Oregon Cascades
employing four different methods. Each method provides insight into the average …