Results 51 to 60 of about 5,751 (212)

Seismicity and Active Compressional Tectonics in Santa Monica Bay, Southern California [PDF]

, 1989
During 1973–1986 the seismicity in Santa Monica Bay consisted of an average of four events per year of M_L ≥ 2.5, in addition to the 1979 Malibu (M_L = 5.0) mainshock-aftershock sequence.
Hauksson, Egill, Saldivar, Geoffrey V.
core   +1 more source

Dual Role of a Subducted Seamount in Megathrust Rupture Initiation and Rupture Barrier

Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract Using high‐resolution 3D tomography and a relocated 2010–2022 earthquake catalog, we identify a seamount at 20–25 km depth beneath the Mompiche–Cojimíes region in the coastal forearc of Ecuador. This provides a rare, well‐resolved example of seamount preservation at these depths. The seamount coincides with a low interseismic‐coupling corridor
G. Ponce, A. Meltzer, A. Wickham‐Piotrowski, S. Beck, M. Ruiz, S. Hernández, M. Segovia   +6 more
wiley   +1 more source

The New Seismotectonic Atlas of Greece (v1.0) and Its Implementation

Geosciences, 2020
Knowledge and visualization of the present-day relationship between earthquakes, active tectonics and crustal deformation is a key to understanding geodynamic processes, and is also essential for risk mitigation and the management of geo-reservoirs for ...
Ioannis Kassaras, Vasilis Kapetanidis, Athanassios Ganas, Andreas Tzanis, Chrysanthi Kosma, Andreas Karakonstantis, Sotirios Valkaniotis, Stylianos Chailas, Vasiliki Kouskouna, Panayotis Papadimitriou   +9 more
doaj   +1 more source

Reappraisal and Analysis of Macroseismic Data for Seismotectonic Purposes: The Strong Earthquakes of Southern Calabria, Italy

Geosciences, 2023
In tectonically active areas, such as the Italian peninsula, studying the faults responsible for strong earthquakes is often challenging, especially when the earthquakes occurred in historical times. In such cases, geoscientists need to integrate all the
Carlo Andrenacci, Simone Bello, Maria Serafina Barbano, Rita de Nardis, Claudia Pirrotta, Federico Pietrolungo, Giusy Lavecchia   +6 more
doaj   +1 more source

Magnitude estimation for early warning applications using the initial part of P waves: A case study on the 2008 Wenchuan sequence [PDF]

, 2009
A period parameter τ_c and an amplitude parameter Pd determined from the very beginning of P wave are important for earthquake early warning (EEW), yet their dependence on source mechanism, focal depth and epicentral distance has not been fully studied ...
Chen, Yong, Kanamori, Hiroo, Ni, Sidao, Wang, Weitao   +3 more
core   +1 more source

Differential Craton Destruction Controlled by Fossil Structures in the Central North China Craton

Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract Craton evolution plays a fundamental role in stabilizing the continental lithosphere and the long‐term evolution of Earth's surface environment. The Shanxi Rift Zone (SRZ) within the North China Craton marks an ongoing craton destruction. Detailed lithospheric structure is essential to explain craton destruction.
Cong Ji, Cunrui Han, Xinglu Wang, Götz Bokelmann, Zhouchuan Huang   +4 more
wiley   +1 more source

Transient deformations in the Suez-Sinai area from GPS observations [PDF]

, 2005
We analyze data from four GPS campaigns carried out between 1997 and 2002 on a network of 11 sites in the Suez-Sinai, the area of collision between the African and the Arabian plates.
Antonio Piersanti, Barzaghi, Ben-Menahem, Beutler, Blewitt, Bonatti, Bosworth, Calais, Caporali, Cochran, Crespi, De Mets, Doglioni, Doglioni, Dong, Dziewonski, Fattah, Federica Riguzzi, Grazia Pietrantonio, Jackson, Koch, Le Pichon, Mahmoud, Mahmoud, Malkawi, McClay, McClusky, Morellato, Nostro, Piersanti, Piersanti, Piersanti, Pietrantonio, Riguzzi, Ron, Salah M. Mahmoud, Salamon, Sella, Steckler, Steckler, Wdowinski, Wessel   +41 more
core   +1 more source

Fourier Neural Operator for Moonquake Detection

Earth and Space Science, Volume 13, Issue 3, March 2026.
Abstract Moonquakes provide critical observations for probing the lunar interior, yet their analysis is hindered by the limited number of recordings and their inherently low signal‐to‐noise ratio (S/N). Conventional detection methods such as Short‐Term Average/Long‐Term Average (STA/LTA) perform poorly on lunar data, while standard deep learning models
Basem Al‐Qadasi, Umair Bin Waheed
wiley   +1 more source

Spatiotemporal characteristics and earthquake statistics of the 2020 and 2022 adjacent earthquake sequences in North Aegean Sea (Greece)

Seismica
The two moderate earthquakes that occurred close and to the north of the North Aegean Trough (NAT) on 26 September 2020 (Mw5.3) and 16 January 2022 (Mw5.4), both followed by aftershock activity, are examined.
Pavlos Bonatis, Vasileios Karakostas, Christos Kourouklas, Anastasios Kostoglou, Eleftheria Papadimitriou   +4 more
doaj   +1 more source

The recent tectonic stress field of the Amur region

Геодинамика и тектонофизика, 2018
The Amur region (Priamurie) is located in the NE part of the Amur lithospheric plate and its surrounding territories. Seismic activity is moderate in Priamurie, and the regional earthquakes, including the strongest ones, occur mainly in three seismic ...
D. A. Safonov
doaj   +1 more source