Results 51 to 60 of about 382 (164)

Modelling the Importance of Ground and Strong‐Motion Variables on the Damage Status in the 2023 Kahramanmaraş Earthquakes Using Supervised Machine Learning

open access: yesGeoscience Data Journal, Volume 12, Issue 4, October 2025.
KNN achieved the highest performance (0.989) using the full dataset and 0.988 with ground‐based parameters. EBd and f0 were key contributors to damage, while PGA dominated strong‐motion models. Specificity consistently outperformed sensitivity in earthquake‐parameter models.
Mustafa Senkaya   +3 more
wiley   +1 more source

KOMPARASI NILAI FAKTOR AMPLIFIKASI TANAH DENGAN PENDEKATAN SSA DAN HVSR PADA WILAYAH KECAMATAN TEMBALANG KOTA SEMARANG

open access: yesTeknik, 2013
Several methods for evaluating the effect of site specific condition of soil layers against earthquakes are presently available. Site Specific Analysis (SSA) and Horizontal-to-Vertical Spectral Ratio (HVSR) are two methods commonly used for estimating ...
Windu Partono   +3 more
doaj  

A New Vibration Analysis Approach for Monitoring the Working Condition of a High-Voltage Shunt Reactor

open access: yesIEEE Access, 2021
With the rapid development of power grids, the voltage level and capacity of high-voltage shunt reactors (HVSRs) are increasing year by year, and HVSR faults are increasing, especially HVSRs core winding faults.
Pengfei Hou   +4 more
doaj   +1 more source

Subtle relict channels associated with large dolines in an area formerly beneath the Laurentide Ice Sheet, northern Ohio, USA

open access: yesBoreas, Volume 54, Issue 4, Page 567-589, October 2025.
Low‐relief dry channels appear out of place across a glaciated karst landscape in northern Ohio. Channels are only a few metres deep cut into limestone and draped with a veneer of till. Several hypotheses are proposed for explaining the channels. Low‐relief dry channels are observed across the Bellevue‐Castalia Karst Plain of north‐central Ohio, USA ...
Timothy G. Fisher   +6 more
wiley   +1 more source

Mikrozonasi Berdasarkan Data Mikrotremor dan Kecepatan Gelombang Geser di Kotamadya Yogyakarta

open access: yesPositron, 2021
Gempabumi Yogyakarta dengan magnitude 6,3 Skala Richter yang terjadi pada tahun 2006 menyebabkan kerusakan bangunan di Kota Yogyakarta dan sekitarnya.
Aditya Yoga Purnama   +3 more
doaj   +1 more source

Seismic Hazard Potential in Yogyakarta Based on HVSR Curve Estimation

open access: yesIOP Conference Series: Earth and Environmental Science, 2022
Abstract In 2006, the Special Region of Yogyakarta was shaken by a destructive earthquake. The United States Geological Survey (USGS) recorded that the earthquake had a magnitude of 6.3 Mw at a depth of 12.5 km below the surface that was triggered by strike slip fault activity.
B.N. Zega   +3 more
openaire   +1 more source

Combining 3‐D Deep Electrical Resistivity Tomography With Magnetic Surveys to Investigate Complex Tectonic Basins: A Case Study From the Central Apennines Seismic Belt (Italy)

open access: yesTectonics, Volume 44, Issue 9, September 2025.
Abstract We use an innovative geophysical approach to reconstruct the deep structure of Campo Felice, an important extensional basin in the central Apennines (Italy) where active crustal extension is accommodated by normal faults capable of generating earthquakes of magnitude MW 6+.
V. Sapia   +23 more
wiley   +1 more source

Quantifying Groundwater Response and Uncertainty in Beaver‐Influenced Mountainous Floodplains Using Machine Learning‐Based Model Calibration

open access: yesWater Resources Research, Volume 61, Issue 9, September 2025.
Abstract Beavers (Castor canadensis) alter river corridor hydrology by creating ponds and inundating floodplains, and thereby improving surface water storage. However, the impact of inundation on groundwater, particularly in mountainous alluvial floodplains with permeable gravel/cobble layers overlain by a soil layer, remains uncertain.
Lijing Wang   +6 more
wiley   +1 more source

Evaluating Seismic Ambient Noise Techniques for Detecting Ice‐Bearing Rocks on the Moon

open access: yesEarth and Space Science, Volume 12, Issue 9, September 2025.
Abstract One of the primary objectives of upcoming lunar missions is to locate ice‐bearing rocks at the South Pole. While evidence for their presence exists, the exact distribution and quantity remain uncertain. In this study, we evaluate the potential of seismic ambient noise techniques—including seismic interferometry, H/V spectral ratios ...
S. Keil, M. Schimmel, H. Igel
wiley   +1 more source

Systematic assessment of nonlinear soil behavior at KiK‐net sites in Japan: Thresholds and controlling site factors

open access: yesEarthquake Spectra, Volume 41, Issue 3, Page 2278-2310, August 2025.
We address two open questions concerning nonlinear soil behavior in a seismic hazard and risk context; (1) which site proxies can be used to predict and map nonlinear site amplification? (2) At which level of ground‐motion intensity should such nonlinear models be considered?
Karina Loviknes   +3 more
wiley   +1 more source

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