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GeoHazards, Volume 4, Issue 4

2023 December - 11 articles

Cover Story: California’s San Joaquin Basin offers vast opportunities for CO2 storage in deep saline aquifers. Although the parts of the basin suited for storage are not tectonically active, there are large faults that present seismic hazards. Increasing pore pressure at depth through CO2 injection pushes faults closer to failure by decreasing effective normal stress. We compiled data on stress, faults, and seismicity at a proposed site to determine the conditions for fault slip during CO2 injection. Our results show that the probability of fault slip can be minimized by controlling the size, migration, and magnitude of pressure perturbation in the storage reservoir. We also characterized historical seismicity around the site and established criteria to distinguish induced events. This study represents a first-order procedure to assess site-scale seismic hazards related to CO2 storage. View this paper
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Articles (11)

  • Article
  • Open Access
2,587 Views
28 Pages

16 December 2023

This study utilized a max-stable process (MSP) model with a dependence structure defined via a non-Euclidean distance metric, with the goal of modelling extreme flood data on a river network. The dataset was composed of mean daily discharge observati...

  • Article
  • Open Access
3 Citations
2,886 Views
11 Pages

Near Real-Time Detection and Moment Tensor Inversion of the 11 May 2022, Dharchula Earthquake

  • Pankaj Kumar,
  • Vipul Silwal,
  • Rinku Mahanta,
  • Vipin Kumar Maurya,
  • Kamal,
  • Mukat Lal Sharma and
  • Ambikapathy Ammani

14 December 2023

On 11 May 2022, an earthquake of Mw 5.2 occurred in the Dharchula region of Uttarakhand Himalayas, India. The Uttarakhand State Earthquake Early Warning System (UEEWS) detected and transmitted the warning within 11.61 s from the origin time, taking o...

  • Article
  • Open Access
4,794 Views
18 Pages

4 December 2023

This article conducts an extreme value analysis (EVA) of hourly tide gauge measurements at Busan, South Korea, from 1960 onwards to understand the influence of typhoon-driven surges and predicted tides that super-elevate ocean still water levels (SWL...

  • Article
  • Open Access
11 Citations
3,994 Views
22 Pages

4 December 2023

Shallow landslides are one of the most dangerous gravitational phenomena. They are responsible for more than 50% of causalities due to landslides in northwestern Italy in the last century. The aim of the research study presented here is focused on un...

  • Article
  • Open Access
3,430 Views
22 Pages

10 November 2023

The Mont-Saint-Michel is known worldwide for its unique combination of the natural site and the Medieval abbey at the top of the rocky islet. But the Mont is also located within an estuarine complex, which is considerably silting up. For two decades,...

  • Article
  • Open Access
4 Citations
3,549 Views
16 Pages

6 November 2023

Improving our skills to monitor flooding events is crucial for protecting populations and infrastructures and for planning mitigation and adaptation strategies. Despite recent advancements, hydrological models and remote sensing tools are not always...

  • Article
  • Open Access
9 Citations
3,720 Views
16 Pages

1 November 2023

California’s Central Valley offers vast opportunities for CO2 storage in deep saline aquifers. We conducted an induced seismicity hazard assessment for a potential injection site in the southern San Joaquin Basin for 18 years of injection at 0....

  • Article
  • Open Access
2 Citations
3,628 Views
15 Pages

22 October 2023

Greater Montreal is situated in a region with moderate seismic activity and rests on soft ground deposits from the ancient Champlain Sea, as well as more recent alluvial deposits from the Saint Lawrence River. These deposits have the potential to amp...

  • Review
  • Open Access
14 Citations
5,312 Views
26 Pages

10 October 2023

Wildfires affect and change the burned sites’ condition, functionality, and ecosystem services. Altered hydrologic processes, such as runoff, increased streamflows, and sediment transport, are only a few examples resulting from burned soils, ve...

  • Article
  • Open Access
3 Citations
3,724 Views
13 Pages

Is Sea Level Rise a Known Threat? A Discussion Based on an Online Survey

  • Stefano Solarino,
  • Elena Eva,
  • Marco Anzidei,
  • Gemma Musacchio and
  • Maddalena De Lucia

3 October 2023

Since the last century, global warming has been triggering sea level rise at an unprecedented rate. In the worst case climate scenario, sea level could rise by up to 1.1 m above the current level, causing coastal inundation and cascading effects, thu...

  • Article
  • Open Access
5 Citations
11,193 Views
17 Pages

26 September 2023

The rising incidence of flooding is a cause for global concern. Flooding is caused by both natural and human factors. In Nigeria, flooding has been attributed chiefly to human factors, such as poor waste disposal practices and management. Despite thi...

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GeoHazards - ISSN 2624-795X