Results 21 to 30 of about 4,644 (163)

Characteristics of Slow Slip Event in March 2020 Revealed From Borehole and DONET Observatories

open access: yesFrontiers in Earth Science, 2021
We have detected an event of pore pressure change (hereafter, we refer it to “pore pressure event”) from borehole stations in real time in March 2020, owing to the network developed by connecting three borehole stations to the Dense Oceanfloor Network ...
Keisuke Ariyoshi   +13 more
doaj   +1 more source

Static Source Properties of Slow and Fast Earthquakes [PDF]

open access: yesJournal of Geophysical Research: Solid Earth, 2020
AbstractThe source characteristics of slow and fast earthquakes provide a window into the mechanical properties of faults. In particular, the average stress drop controls the evolution of friction, fault slip, and event magnitude. However, this important source property is typically inferred from the analysis of seismic waves and is subject to many ...
Priyamvada Nanjundiah   +2 more
openaire   +2 more sources

Observation of Shallow Slow Earthquakes by Distributed Acoustic Sensing Using Offshore Fiber‐Optic Cable in the Nankai Trough, Southwest Japan

open access: yesGeophysical Research Letters, 2023
Off Cape Muroto area, along the Nankai Trough in southwest Japan, is a typical area with adjacent occurrences of slow and megathrust earthquakes. High‐resolution monitoring of slow earthquakes is necessary to understand tectonic conditions.
Satoru Baba   +7 more
doaj   +1 more source

Strongly Scattering Medium Along Slow Earthquake Fault Zones Based on New Observations of Short‐Duration Tremors

open access: yesGeophysical Research Letters, 2023
Tremors are a type of slow earthquake with long‐duration signals compared to ordinary earthquakes. The long signals have been considered to solely reflect their long source process.
A. Toh   +3 more
doaj   +1 more source

Distribution of low-frequency earthquakes accompanying the very low frequency earthquakes along the Ryukyu Trench

open access: yesEarth, Planets and Space, 2017
This study investigated the activity and distribution of low-frequency earthquakes (LFEs) accompanying the very low frequency earthquakes (VLFEs) in the central and southern Ryukyu Trench.
Mamoru Nakamura
doaj   +1 more source

Subdaily Slow Fault Slip Dynamics Captured by Low‐Frequency Earthquakes

open access: yesAGU Advances, 2023
Geodetic positioning is the geophysical record of reference for slow slip events, but typical daily solutions limit studies of the evolution of slow slip to its long‐term dynamics.
Caroline Mouchon   +4 more
doaj   +1 more source

Laboratory Hydrofractures as Analogs to Tectonic Tremors

open access: yesAGU Advances
The fracture of Earth materials occurs over a wide range of time and length scales. Physical conditions, particularly the stress field and Earth material properties, may condition rupture in a specific fracture regime.
C. Yuan   +6 more
doaj   +1 more source

Characteristic activities of slow earthquakes in Japan

open access: yesProceedings of the Japan Academy, Series B, 2020
Slow earthquakes are a recently discovered phenomenon that mainly occur updip and downdip of the seismogenic zones of great earthquakes along the subducting plate interface. The spatiotemporal activity of various slow earthquakes occurring in the Nankai subduction zone is characterized by along-strike heterogeneity and along-dip systematic changes ...
openaire   +3 more sources

The High‐Frequency Signature of Slow and Fast Laboratory Earthquakes

open access: yesJournal of Geophysical Research: Solid Earth, 2022
AbstractTectonic faults fail through a spectrum of slip modes, ranging from slow aseismic creep to rapid slip during earthquakes. Understanding the seismic radiation emitted during these slip modes is key for advancing earthquake science and earthquake hazard assessment.
Bolton, David C.   +6 more
openaire   +2 more sources

Shallow Tremors Near the Nankai Trough Activated After the M 7.6 Noto Peninsula Earthquake

open access: yesGeophysical Research Letters
Off the Cape Muroto near the Nankai Trough, small shallow tremor activity was observed by distributed acoustic sensing (DAS) and offshore seismic network DONET after the 2024 M7.6 Noto Peninsula earthquake approximately 600 km away.
Satoru Baba, Eiichiro Araki, Takane Hori
doaj   +1 more source

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