Results 11 to 20 of about 596,525 (294)

Helium isotope anomaly in groundwater prior to the 2024 Noto Peninsula earthquake [PDF]

Nature Communications
Intense earthquake swarms had been observed on the Noto Peninsula in north-central Japan since December 2020. We report data obtained by periodical groundwater sampling and helium isotope measurements in the epicentre area starting July 2022 for ...
Takanori Kagoshima, Yuji Sano, Naoto Takahata, Yume Kawamoto, Tomo Shibata, Ying Li, Tomoaki Morishita, Yoshihiro Hiramatsu, Junichi Nakajima   +8 more
doaj   +2 more sources

Untangling the environmental and tectonic drivers of the Noto earthquake swarm in Japan. [PDF]

Sci Adv
The underlying mechanism of the ongoing seismic swarm in the Noto Peninsula, Japan, which generates earthquakes at 10 times the average regional rate, remains elusive.
Wang QY, Cui X, Frank WB, Lu Y, Hirose T, Obara K.   +5 more
europepmc   +2 more sources

Causal mechanisms of seismo-EM phenomena during the 1965-1967 Matsushiro earthquake swarm. [PDF]

Sci Rep, 2017
The 1965–1967 Matsushiro earthquake swarm in central Japan exhibited two unique characteristics. The first was a hydro-mechanical crust rupture resulting from degassing, volume expansion of CO2/water, and a crack opening within the critically stressed ...
Enomoto Y, Yamabe T, Okumura N.
europepmc   +2 more sources

Environmental vulnerability characteristics in an active swarm region [PDF]

Global Journal of Environmental Science and Management, 2023
BACKGROUND AND OBJECTIVES: For the first time, an earthquake swarm occurred from April to August 2021 in Lake Toba; Indonesia, the world’s largest caldera lake.
A.V.H. Simanjuntak, U Muksin, A. Arifullah, K. Lythgoe, Y. Asnawi, M. Sinambela, S. Rizal, S. Wei   +7 more
doaj   +1 more source

Revealing 60 years of Earthquake Swarms in the Southern Red Sea, Afar and the Gulf of Aden

Frontiers in Earth Science, 2021
Earthquake swarms occur sporadically at divergent plate boundaries but their recurrence over multiple decades and relation to magmatic spreading activity remain poorly understood. Here we study more than 100 earthquake swarms over a 60-year period in the
Joël Ruch, Joël Ruch, Derek Keir, Luigi Passarelli, Luigi Passarelli, Domenico Di Giacomo, Ghebrebrhan Ogubazghi, Sigurjón Jónsson   +7 more
doaj   +1 more source

Massive earthquake swarm driven by magmatic intrusion at the Bransfield Strait, Antarctica

Communications Earth & Environment, 2022
An earthquake swarm affected the Bransfield Strait, Antarctica, a unique rift basin in transition from intra-arc rifting to ocean spreading. The swarm, counting ~85,000 volcano-tectonic earthquakes since August 2020, is located close to the Orca ...
S. Cesca, M. Sugan, Ł. Rudziński, S. Vajedian, P. Niemz, S. Plank, G. Petersen, Z. Deng, E. Rivalta, A. Vuan, Milton Percy Plasencia Linares, S. Heimann, T. Dahm   +12 more
semanticscholar   +1 more source

The 2020 Westmorland, California Earthquake Swarm as Aftershocks of a Slow Slip Event Sustained by Fluid Flow

Journal of Geophysical Research - Solid Earth, 2022
Swarms are bursts of earthquakes without an obvious mainshock. Some have been observed to be associated with transient aseismic fault slip, while others are thought to be related to fluids.
K. Sirorattanakul, Z. Ross, M. Khoshmanesh, E. Cochran, M. Acosta, J. Avouac   +5 more
semanticscholar   +1 more source

Relocation and focal mechanisms of the 2021 Wuzhong-Lingwu ML3.6 seismic swarm

地震科学进展, 2022
From July 18 to August 7 in 2021, a significant activity of ML3.6 earthquake swarm occurred in Wuzhong-Lingwu area, Ningxia. In this paper, the earthquake swarm are relocated using the multi-step locating method.
Yingcai Xu, Xianwei Zeng, Guofu Luo
doaj   +1 more source

Complex magmatic-tectonic interactions during the 2020 Makushin Volcano, Alaska, earthquake swarm

Earth and Planetary Science Letters, 2021
We investigate the processes driving a significant earthquake swarm that occurred between June and December 2020 on Unalaska Island, Alaska, ~12 km southeast of the summit of Makushin Volcano. The swarm was energetic, with two M>4 events that were widely
D. Roman, F. Lanza, J. Power, C. Thurber, T. Hudson   +4 more
semanticscholar   +1 more source

Triggered crustal earthquake swarm across subduction segment boundary after the 2016 Pedernales, Ecuador megathrust earthquake

Earth and Planetary Science Letters, 2021
Megathrust ruptures and the ensuing postseismic deformation cause stress changes that may induce seismicity on upper plate crustal faults far from the coseismic rupture area.
M. Hoskins, A. Meltzer, Y. Font, H. Agurto‐Detzel, Sandro Vaca, F. Rolandone, J. Nocquet, L. Soto‐Cordero, J. Stachnik, S. Beck, C. Lynner, M. Ruiz, A. Alvarado, S. Hernández, P. Charvis, M. Régnier, S. León‐Ríos, A. Rietbrock   +17 more
semanticscholar   +1 more source