Characterization of induced seismicity near an injection well at the northwest Geysers geothermal field, California

G Viegas, L Hutchings - Geothermal Resources Council …, 2011 - episodesplatform.eu
We investigate the temporal and spatial dependence of source parameters of micro-
earthquakes (< M3) before and during water injection at the Northwest Geysers between …

Source characteristics of micro-earthquakes at the Northwest Geysers Geothermal Field, California

G Viegas, L Hutchings - Geothermal Resources Council …, 2010 - episodesplatform.eu
We investigate the source parameters of micro-earthquakes (< M3) at the Northwest
Geysers, near an injection well, before and during water injection, looking for temporal and …

Analysis of injection-induced micro-earthquakes in a geothermal steam reservoir, the Geysers Geothermal Field, California

J Rutqvist, CM Oldenburg - ARMA US Rock Mechanics/Geomechanics …, 2008 - onepetro.org
In this study we analyze relative contributions to the cause and mechanism of injection-
induced micro-earthquakes (MEQs) at The Geysers geothermal field, California. We …

Spatiotemporal changes, faulting regimes, and source parameters of induced seismicity: A case study from The Geysers geothermal field

P Martínez‐Garzón, G Kwiatek, H Sone… - Journal of …, 2014 - Wiley Online Library
The spatiotemporal, kinematic, and source characteristics of induced seismicity occurring at
different fluid injection rates are investigated to determine the predominant physical …

Analysis of Microseismicity Framing ML > 2.5 Earthquakes at The Geysers Geothermal Field, California

S Bentz, P Martínez‐Garzón, G Kwiatek… - Journal of …, 2019 - Wiley Online Library
Preparatory mechanisms accompanying or leading to nucleation of larger earthquakes have
been observed at both laboratory and field scales, but conditions favoring the occurrence of …

Induced and triggered earthquakes at The Geysers geothermal reservoir

LR Johnson, EL Majer - Geophysical Journal International, 2017 - academic.oup.com
The Geysers geothermal reservoir in northern California is the site of numerous studies of
both seismicity induced by injection of fluids and seismicity triggered by other earthquakes …

Near-surface microearthquakes at The Geysers geothermal field, California

JT Rutledge, MA Stark, TD Fairbanks… - The Mechanism of …, 2002 - Springer
Abstract A 150-m length, 6-level, three-component, vertical geophone array was cemented
into the 67-to 219-m depth interval (220 to 720 ft) of Unocal's well GDCF 63–29 during a …

Depth migration of seasonally induced seismicity at The Geysers geothermal field

CW Johnson, EJ Totten… - Geophysical Research …, 2016 - Wiley Online Library
Seismicity from injected fluids provides insight into the hydraulically conductive fracture
network at The Geysers (TG), California, geothermal reservoir. Induced earthquakes at TG …

Volumetric components in the earthquake source related to fluid injection and stress state

P Martínez‐Garzón, G Kwiatek… - Geophysical …, 2017 - Wiley Online Library
We investigate source processes of fluid‐induced seismicity from The Geysers geothermal
reservoir in California to determine their relation with hydraulic operations and improve the …

Induced earthquake potential in geothermal reservoirs: Insights from The Geysers, California

P Martínez-Garzón, G Kwiatek, S Bentz… - The Leading …, 2020 - pubs.geoscienceworld.org
Geothermal reservoir production and associated induced seismicity may experience
pronounced attention in the near future, given the ambitious plans for reducing greenhouse …