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 …

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

G Zhu, H Yang, YJ Tan, M Jin, 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 …

Interaction between aseismic slip and fluid invasion in earthquake swarms revealed by dense geodetic and seismic observations

Y Yukutake, K Yoshida, R Honda - Journal of Geophysical …, 2022 - Wiley Online Library
Recent seismic and geodetic observations suggest the involvement of pressurized fluid and
aseismic slip during earthquake swarms. However, the interaction between these two factors …

Long‐living earthquake swarm and intermittent seismicity in the northeastern tip of the Noto Peninsula, Japan

Y Amezawa, Y Hiramatsu, A Miyakawa… - Geophysical …, 2023 - Wiley Online Library
The factors controlling earthquake swarm duration are remain unclear, especially in the long‐
living ones. A severe earthquake swarm struck the tip of the Noto peninsula, Japan. Ten M> …

Cross validation of stress drop estimates and interpretations for the 2011 Prague, OK, earthquake sequence using multiple methods

CN Pennington, X Chen… - Journal of Geophysical …, 2021 - Wiley Online Library
We compare source parameter estimates for earthquakes in the 2011 Prague Mw 5.7,
Oklahoma, sequence to investigate random uncertainty and systematic bias, and resolve …

Hypocenter migration and seismicity pattern change in the Yamagata‐Fukushima border, NE Japan, caused by fluid movement and pore pressure variation

K Yoshida, A Hasegawa - Journal of Geophysical Research …, 2018 - Wiley Online Library
The spatiotemporal distributions of hypocenters and temporal change in seismicity patterns
were investigated in details for events in the Yamagata‐Fukushima border earthquake …

Improved approach for stress drop estimation and its application to an induced earthquake sequence in Oklahoma

X Chen, RE Abercrombie - Geophysical Journal International, 2020 - academic.oup.com
We calculate source parameters for fluid-injection induced earthquakes near Guthrie,
Oklahoma, guided by synthetic tests to quantify uncertainties. The average stress drop …

Slab-derived fluid storage in the crust elucidated by earthquake swarm

Y Mukuhira, M Uno, K Yoshida - Communications Earth & Environment, 2022 - nature.com
Slab-derived fluids control crustal dynamics in the subduction zone. However, the slab-
derived fluid budget has never been quantified beyond a geophysical and geological …

Millimeter‐scale tsunami detected by a wide and dense observation array in the deep ocean: Fault modeling of an Mw 6.0 interplate earthquake off Sanriku, NE Japan

T Kubota, T Saito, W Suzuki - Geophysical Research Letters, 2020 - Wiley Online Library
A new dense and widely distributed tsunami observation network installed off northeast
Japan detected millimeter‐scale tsunamis from an Mw 6.0 shallow interplate earthquake on …

[HTML][HTML] New b-value parameter for quantitatively monitoring the structural health of carbon fiber-reinforced composites

D Jung, WR Yu, H Ahn, W Na - Mechanical Systems and Signal Processing, 2022 - Elsevier
Carbon fiber-reinforced composites have excellent mechanical properties but are vulnerable
to the accumulation of small cracks. This study used acoustic emission (AE) signals to …