Resolution and uncertainties in estimates of earthquake stress drop and energy release

RE Abercrombie - … Transactions of the Royal Society A, 2021 - royalsocietypublishing.org
Our models and understanding of the dynamics of earthquake rupture are based largely on
estimates of earthquake source parameters, such as stress drop and radiated seismic …

Regional characteristics of seismicity associated with hydraulic fracturing in the southern Sichuan Basin of China

J Dai, J Liu, C Liu, J Yang, F Xue, Y Tang, J Liu… - Rock Mechanics and …, 2024 - Springer
Abstract In the southern Sichuan Basin of China (SSBC), hydraulic fracturing (HF)
production of shale gas and surface buildings have been seriously affected by some …

The cascading foreshock sequence of the Ms 6.4 Yangbi earthquake in Yunnan, China

G Zhu, H Yang, YJ Tan, M **, X Li, W Yang - Earth and Planetary Science …, 2022 - Elsevier
Foreshocks may provide valuable information on the nucleation process of large
earthquakes. The 2021 Ms 6.4 Yangbi, Yunnan, China, earthquake was preceded by …

Multistage Nucleation of the 2021 Yangbi MS 6.4 Earthquake, Yunnan, China and Its Foreshocks

M Liu, H Li, L Li, M Zhang… - Journal of Geophysical …, 2022 - Wiley Online Library
Abstract On 21 May 2021, an MS 6.4 earthquake occurred in Yangbi, Yunnan province,
China. A significant foreshock sequence occurred 3 days before the mainshock, which …

[HTML][HTML] Seismicity associated with hydraulic fracturing in Changning shale gas field, China: Constraints from source mechanisms, stress field and fluid overpressure …

J Dai, J Liu, J Yang, F Xue, L Wang, X Shi, S Dai… - Journal of Rock …, 2024 - Elsevier
Source properties and stress fields are critical to understand fundamental mechanisms for
fluid-induced earthquakes. In this study, we identify the focal mechanism solutions (FMSs) of …

Induced seismicity driven by fluid diffusion revealed by a near‐field hydraulic stimulation monitoring array in the Montney Basin, British Columbia

H Yu, RM Harrington, Y Liu… - Journal of Geophysical …, 2019 - Wiley Online Library
This study presents observations using new data from a deployment of eight broadband
seismometers surrounding a horizontal well pad at distances of~ 1–3 km for the period …

A study on the largest hydraulic‐fracturing‐induced earthquake in Canada: Observations and static stress‐drop estimation

B Wang, RM Harrington, Y Liu… - Bulletin of the …, 2020 - pubs.geoscienceworld.org
On 17 August 2015, an M w 4.6 earthquake occurred northwest of Fort St. John, British
Columbia, possibly induced by hydraulic fracturing (HF). We use data from eight broadband …

Migrating Foreshocks Driven by a Slow Slip Event Before the 2021 MW 6.1 Yangbi, China Earthquake

K Wang, Z Peng, S Liang, J Luo… - Journal of Geophysical …, 2024 - Wiley Online Library
Foreshocks are known to occur before certain large earthquakes, but the physical
mechanism is still in debate. Recent field and laboratory studies have supported either …

Nonsystematic rupture directivity of geothermal energy induced microseismicity in Helsinki, Finland

JM Holmgren, G Kwiatek… - Journal of Geophysical …, 2023 - Wiley Online Library
The rupture behavior of microseismicity in fluid‐injection settings with low fault stresses is
generally believed to be controlled by the pore pressure, including a tendency of the larger …

The 28 October 2022  3.8 Goesan Earthquake Sequence in Central Korea: Stress Drop, Aftershock Triggering, and Fault Interaction

WY Kim, MS Seo, JY Park, S Han… - Bulletin of the …, 2023 - pubs.geoscienceworld.org
We identified the causative fault of the 2022 Goesan, Korea, earthquake sequence based on
the precise relocation of the sequence that revealed a 0.8 km‐long fault plane striking east …