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  • Article
  • Open Access
10 Citations
18,415 Views
34 Pages

2 October 2024

Floods pose significant challenges globally, particularly in coastal regions like the Philippines, which are vulnerable to typhoons and subsequent inundations. This study focuses on Naic city in Cavite, Philippines, using Geographic Information Syste...

  • Article
  • Open Access
6 Citations
16,035 Views
29 Pages

Megatsunamis Induced by Volcanic Landslides in the Canary Islands: Age of the Tsunami Deposits and Source Landslides

  • Mercedes Ferrer,
  • Luis González de Vallejo,
  • José Madeira,
  • César Andrade,
  • Juan C. García-Davalillo,
  • Maria da Conceição Freitas,
  • Joaquín Meco,
  • Juan F. Betancort,
  • Trinidad Torres and
  • José Eugenio Ortiz

12 August 2021

Evidence for frequent, large landslides on the flanks of the volcanic edifices forming the Canary Islands include outstanding landslide scars and their correlative submarine and subaerial rock and debris avalanche deposits. These landslides involved...

  • Article
  • Open Access
4 Citations
14,980 Views
47 Pages

Global Historical Megatsunamis Catalog (GHMCat)

  • Mercedes Ferrer and
  • Luis I. González-de-Vallejo

23 September 2024

The Global Historical Megatsunamis Catalog (GHMCat) is presented for the first time, including events with the largest waves recorded in historical times. An objective criterion is established to identify megatsunamis based on the maximum wave height...

  • Article
  • Open Access
14 Citations
13,916 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...

  • Article
  • Open Access
8 Citations
13,442 Views
17 Pages

A Preliminary Hazard Assessment of Kolumbo Volcano (Santorini, Greece)

  • Anna Katsigera,
  • Paraskevi Nomikou and
  • Kosmas Pavlopoulos

19 August 2024

Volcanic eruptions stand as destructive threats to adjacent communities, unleashing multiple hazards such as earthquakes, tsunamis, pyroclastic flows, and toxic gases. The imperative for proactive management of volcanic risks and communities’ a...

(This article belongs to the Collection Geohazard Characterization, Modeling, and Risk Assessment)
  • Article
  • Open Access
16 Citations
13,099 Views
33 Pages

11 February 2022

The paucity of a comprehensive document on Cameroon’s hazard/disaster risk profile is a limitation to the country wide risk assessment and adequate disaster resilience. This article narrows this gap by retrospectively exploring Cameroon’s...

  • Article
  • Open Access
6 Citations
12,913 Views
16 Pages

Statistics on Typhoon Intensity and Rice Damage in Vietnam and the Philippines

  • Kai Wan Yuen,
  • Adam D. Switzer,
  • Paul P. S. Teng and
  • Janice Ser Huay Lee

11 January 2024

Typhoons are destructive multi-hazard events. To assess the relationship between typhoon intensity and agricultural loss, there is a need for accurate and standardized information on loss and damage, which is currently lacking. To address this, a dat...

  • Article
  • Open Access
2 Citations
12,604 Views
17 Pages

The NNW-trending Central Mindoro Fault (CMF) is an active oblique left-lateral strike-slip fault as determined from offset morphotectonic features such as spurs and streams. Mapping of the trace and determination of the sinistral strike-slip sense of...

  • Article
  • Open Access
7 Citations
12,222 Views
42 Pages

In early 2025, the Santorini–Amorgos area (Aegean Volcanic Arc, Greece) experienced a seismic swarm, with dozens of M ≥ 4.0 earthquakes and a maximum magnitude of M = 5.2. Beyond its seismological interest, the sequence was notable for trigg...

  • Article
  • Open Access
5 Citations
11,994 Views
26 Pages

The morphologic dating of single-event fault scarps along the dextral strike-slip Valley Fault System (VFS) yielded distinct clusters of relative ages (kt), which we interpret as evidence of independent surface ruptures. The boundaries between struct...

  • Article
  • Open Access
12 Citations
11,449 Views
32 Pages

La Palma 2021 Eruption (Canary Islands): Measurements and Modelling of Lava Flow Cooling Rates and Applications for Infrastructure Reconstruction and Risk Mitigation

  • Luis González-de-Vallejo,
  • Aaron Álvarez-Hernández,
  • Mercedes Ferrer,
  • John P. Lockwood,
  • Nemesio M. Pérez,
  • Pedro A. Hernández,
  • Ana Miranda-Hardisson,
  • José A. Rodríguez-Losada,
  • David Afonso-Falcón and
  • Luis E. Hernández-Gutiérrez
  • + 2 authors

4 October 2024

On 19 September 2021, a strombolian volcanic eruption began on the island of La Palma in the Canary Islands. This event resulted in the destruction of 73 km of roads, urban infrastructure, numerous houses, and agricultural crops, affecting approximat...

  • Article
  • Open Access
3 Citations
11,260 Views
39 Pages

Probabilistic Seismic Hazard Assessment of Lisbon (Portugal)

  • Büşra Gögen,
  • Shaghayegh Karimzadeh and
  • Paulo B. Lourenço

19 September 2024

The 1755 Lisbon earthquake holds significant historical importance in Portuguese history. The subsequent tsunami resulted in extensive destruction and damage, affecting not only Lisbon but also other regions of Portugal, Spain, and North Africa. This...

  • Article
  • Open Access
6 Citations
11,169 Views
18 Pages

30 October 2024

Vertical creep along 15 ground ruptures within a 15 km long and 1.5 km wide zone has been occurring along the southeastern part of Metro Manila. Though the unusually high rates of vertical slip point to excessive groundwater withdrawal as the trigger...

  • Article
  • Open Access
2 Citations
9,441 Views
25 Pages

The Identification of Flood-Prone Areas in Accra, Ghana Using a Hydrological Screening Method

  • Thomas Balstrøm,
  • Bent Hasholt,
  • Albert N. M. Allotey and
  • Prince Martin Gyekye

22 July 2024

Information about flood-prone areas in Accra, Ghana, acting as obstacles to the main infrastructure was required as input for a transportation study. We successfully identified these areas using the hydrologic screening software Arc-Malstrøm....

(This article belongs to the Collection Geohazard Characterization, Modeling, and Risk Assessment)
  • Feature Paper
  • Article
  • Open Access
27 Citations
9,375 Views
17 Pages

Tsunami Alert Efficiency in the Eastern Mediterranean Sea: The 2 May 2020 Earthquake (Mw6.6) and Near-Field Tsunami South of Crete (Greece)

  • Gerassimos A. Papadopoulos,
  • Efthymios Lekkas,
  • Katerina-Navsika Katsetsiadou,
  • Emmanouil Rovythakis and
  • Amir Yahav

The Mediterranean tsunami warning system is based on national monitoring centers (Tsunami Service Providers, TSPs) and operates under the IOC/UNESCO umbrella. For the first time we evaluate in depth the system’s performance for improving its op...

  • Article
  • Open Access
12 Citations
9,269 Views
29 Pages

The 2024 cut-off low-pressure (DANA) event had a devastating impact on the province of Valencia (Spain), resulting in 227 fatalities. This extreme weather event highlighted the urgent need to enhance education on flood risk and prevention, particular...

  • Article
  • Open Access
2 Citations
8,833 Views
19 Pages

15 July 2021

Kathmandu Valley lies in an active tectonic zone, meaning that earthquakes are common in the region. The most recent was the Gorkha Nepal earthquake, measuring 7.8 Mw. Past earthquakes caused soil liquefaction in the valley with severe damages and de...

  • Article
  • Open Access
6 Citations
8,739 Views
14 Pages

Peak Ground Acceleration (PGA) is a measure of the maximum ground shaking intensity during an earthquake. The estimation of PGA in areas affected by earthquakes is a fundamental task in seismic hazard assessment and emergency response. This paper pre...

  • Article
  • Open Access
1 Citations
8,691 Views
32 Pages

Upgrading a Low-Cost Seismograph for Monitoring Local Seismicity

  • Ioannis Vlachos,
  • Marios N. Anagnostou,
  • Markos Avlonitis and
  • Vasileios Karakostas

The use of a dense network of commercial high-cost seismographs for earthquake monitoring is often financially unfeasible. A viable alternative to address this limitation is the development of a network of low-cost seismographs capable of monitoring...

  • Article
  • Open Access
17 Citations
8,420 Views
19 Pages

The Crete Isl. (Greece) Mw6.0 Earthquake of 27 September 2021: Expecting the Unexpected

  • Ioanna Triantafyllou,
  • Andreas Karavias,
  • Ioannis Koukouvelas,
  • Gerassimos A. Papadopoulos and
  • Issaak Parcharidis

25 February 2022

The 27 September 2021 damaging mainshock (Mw6.0) is the first known strong earthquake that ruptured the Arkalochori area, Crete Isl., Greece, during the entire historical period, making it an unexpected event in the long-term sense. The area is chara...

  • Article
  • Open Access
9 Citations
8,361 Views
20 Pages

2 September 2024

Urban flooding is becoming more frequent and severe due to the impact of climate change, underscoring the urgent need for effective flood risk management. This study investigates the dynamics of flood risk through two decades, from 2000 to 2020, in N...

  • Article
  • Open Access
10 Citations
8,356 Views
28 Pages

Seismic Hazard in Greece: A Comparative Study for the Region of East Macedonia and Thrace

  • Dimitris Sotiriadis,
  • Basil Margaris,
  • Nikolaos Klimis and
  • Ioannis M. Dokas

30 June 2023

Greece is located in one of the most seismically active regions in Europe. Many seismic hazard studies have been performed for various sites around Greece, at a regional or local scale. However, the latest national seismic hazard map, currently used...

  • Article
  • Open Access
13 Citations
8,231 Views
23 Pages

Seismic Hazard Implications of the 2025 Balıkesir Earthquake of Mw 6.1 for Western Türkiye

  • Aydın Büyüksaraç,
  • Fatih Avcil,
  • Hamdi Alkan,
  • Ercan Işık,
  • Ehsan Harirchian and
  • Abdullah Özçelik

On 10 August 2025, a powerful earthquake (Mw = 6.1) occurred in Balıkesir, located within the Aegean Graben System, one of Türkiye’s major tectonic elements, and was felt across a very wide region. This study presents a comprehensive...

  • Article
  • Open Access
12 Citations
8,219 Views
30 Pages

Multi-Hazard Susceptibility Assessment Using the Analytical Hierarchy Process in Coastal Regions of South Aegean Volcanic Arc Islands

  • Pavlos Krassakis,
  • Andreas Karavias,
  • Paraskevi Nomikou,
  • Konstantinos Karantzalos,
  • Nikolaos Koukouzas,
  • Ioannis Athinelis,
  • Stavroula Kazana and
  • Issaak Parcharidis

16 March 2023

Coastal environments are highly recognized for their spectacular morphological features and economic activities, such as agriculture, maritime traffic, fishing, and tourism. In the context of climate change and the evolution of physical processes, th...

  • Feature Paper
  • Article
  • Open Access
19 Citations
8,153 Views
28 Pages

Earthquake Nowcasting with Deep Learning

  • Geoffrey Charles Fox,
  • John B. Rundle,
  • Andrea Donnellan and
  • Bo Feng

15 April 2022

We review previous approaches to nowcasting earthquakes and introduce new approaches based on deep learning using three distinct models based on recurrent neural networks and transformers. We discuss different choices for observables and measures pre...

  • Article
  • Open Access
8 Citations
8,053 Views
22 Pages

GIS-Based Assessment of Fire Effects on Flash Flood Hazard: The Case of the Summer 2021 Forest Fires in Greece

  • Niki Evelpidou,
  • Maria Tzouxanioti,
  • Evangelos Spyrou,
  • Alexandros Petropoulos,
  • Anna Karkani,
  • Giannis Saitis and
  • Markos Margaritis

23 December 2022

Greece, like the rest of the Mediterranean countries, faces wildland fires every year. Besides their short-term socioeconomic impacts, ecological destruction, and loss of human lives, forest fires also increase the burnt areas’ risk of flash fl...

  • Article
  • Open Access
19 Citations
8,045 Views
11 Pages

29 October 2021

This study provides a decade-long link between summer heatstroke incidence and certain heat stress indices in 47 prefectures of Japan. The results for each prefecture were determined from the age-adjusted heatstroke incidence rate (TRadj) with heatst...

  • Article
  • Open Access
7 Citations
7,954 Views
34 Pages

10 December 2022

The eruption of Cumbre Vieja (also known as Tajogaite volcano, 19 September–13 December 2021, Spain) is an example of successful emergency management. The lessons learnt are yet to be fully disclosed as is whether the response can be further im...

  • Review
  • Open Access
3 Citations
7,811 Views
20 Pages

Afghanistan is located on the Eurasian tectonic plate’s edge, a highly seismically active region. It is bordered by the northern boundary of the Indian plate and influenced by the collisional Arabian plate to the south. The Hindu Kush and Pamir...

  • Article
  • Open Access
17 Citations
7,784 Views
15 Pages

13 January 2023

The Himalayan state of Sikkim is prone to some of the world’s largest landslides, which have caused catastrophic damage to lives, properties, and infrastructures in the region. The settlements along the steep valley sides are particularly subje...

(This article belongs to the Topic Landslide Detection and Monitoring Using Multisource Remote Sensing Data)
  • Article
  • Open Access
9 Citations
7,579 Views
26 Pages

Geoinformatics-Based Mapping of Environmental Sensitive Areas for Desertification over Satara and Sangli Districts of Maharashtra, India

  • Chandra Shekhar Dwivedi,
  • Dishant,
  • Bikash Ranjan Parida,
  • Arvind Chandra Pandey,
  • Ravi Kumar and
  • Navneet Kumar

17 May 2024

Desertification processes in arid, semi-arid, and dry sub-humid conditions have been enhanced in recent decades. The geospatial database and associated satellite data can be effectively employed for regional planning to address desertification and la...

  • Article
  • Open Access
2 Citations
7,423 Views
30 Pages

The central Ionian Sea is one of the most seismogenic areas in the Mediterranean Sea region. In particular, the island of Lefkada, Greece, has experienced many catastrophic earthquakes. The historical seismicity of Lefkada has been revised by utilizi...

  • Review
  • Open Access
23 Citations
7,336 Views
14 Pages

23 June 2024

This review paper examined the global landscape of research on continental flood early warning systems (EWS), shedding light on key trends, geographic disparities, and research priorities. Continental floods stand as one of the most pervasive and dev...

  • Article
  • Open Access
8 Citations
7,216 Views
13 Pages

The Copper Basin (CB) of southeastern Tennessee, known as the Ducktown Mining District, is a classic example of forest and soil destruction due to extensive mining and smelting operations from the mid-1800s until 1987. The smelting operation released...

  • Feature Paper
  • Review
  • Open Access
27 Citations
7,173 Views
24 Pages

22 April 2021

The mountainous Pacific Northwest is prone to heavy winter rainfall, resulting in hundreds of landslides per year, human casualties, and billions of dollars of property damage. Precipitation is a major hydrologic trigger for landslides in the northwe...

  • Feature Paper
  • Article
  • Open Access
16 Citations
6,923 Views
22 Pages

Use of Neural Networks for Tsunami Maximum Height and Arrival Time Predictions

  • Juan F. Rodríguez,
  • Jorge Macías,
  • Manuel J. Castro,
  • Marc de la Asunción and
  • Carlos Sánchez-Linares

13 June 2022

Operational TEWS play a key role in reducing tsunami impact on populated coastal areas around the world in the event of an earthquake-generated tsunami. Traditionally, these systems in the NEAM region have relied on the implementation of decision mat...

(This article belongs to the Special Issue Modelling and Numerical Simulation of Tsunami)
  • Article
  • Open Access
2 Citations
6,830 Views
27 Pages

During winter 2023–2024, the Charente River experienced four successive flood events in six months, including one major flood and three moderate ones. These grouped floods affected a huge territory in the Charente valley, in particular the Terr...

  • Article
  • Open Access
11 Citations
6,766 Views
15 Pages

Fault Slip Tendency Analysis for a Deep-Sea Basalt CO2 Injection in the Cascadia Basin

  • Eneanwan Ekpo Johnson,
  • Martin Scherwath,
  • Kate Moran,
  • Stan E. Dosso and
  • Kristin M. Rohr

23 April 2023

Offshore basalts, most commonly found as oceanic crust formed at mid-ocean ridges, are estimated to offer an almost unlimited reservoir for CO2 sequestration and are regarded as one of the most durable locations for carbon sequestration since injecte...

(This article belongs to the Collection Geohazard Characterization, Modeling, and Risk Assessment)
  • Review
  • Open Access
25 Citations
6,699 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...

  • Feature Paper
  • Article
  • Open Access
6 Citations
6,601 Views
16 Pages

25 January 2021

Volcanic exposure implies multiple hazards for human settlements. The identification of the potential hazards that volcanic activity can entail is a challenge requiring assessing the specific situations that a determined place would face. Popocat&eac...

  • Article
  • Open Access
16 Citations
6,517 Views
24 Pages

Fifteen Years of Continuous High-Resolution Borehole Strainmeter Measurements in Eastern Taiwan: An Overview and Perspectives

  • Alexandre Canitano,
  • Maxime Mouyen,
  • Ya-Ju Hsu,
  • Alan Linde,
  • Selwyn Sacks and
  • Hsin-Ming Lee

16 July 2021

As one of the most sensitive instruments for deformation monitoring in geophysics, borehole strainmeter has the capability to record a large spectrum of tectonic and environmental signals. Sensors are usually deployed near active faults and volcanoes...

  • Article
  • Open Access
12 Citations
6,502 Views
28 Pages

Time Series Foundation Models and Deep Learning Architectures for Earthquake Temporal and Spatial Nowcasting

  • Alireza Jafari,
  • Geoffrey Fox,
  • John B. Rundle,
  • Andrea Donnellan and
  • Lisa Grant Ludwig

21 November 2024

Advancing the capabilities of earthquake nowcasting, the real-time forecasting of seismic activities, remains crucial for reducing casualties. This multifaceted challenge has recently gained attention within the deep learning domain, facilitated by t...

  • Article
  • Open Access
13 Citations
6,453 Views
17 Pages

Climate Change Impact on the Stability of Soil Slopes from a Hydrological and Geotechnical Perspective

  • Prodromos N. Psarropoulos,
  • Nikolaos Makrakis and
  • Yiannis Tsompanakis

1 November 2024

Climate change (CC) is expected to cause significant changes in weather patterns, leading to extreme phenomena. Specifically, the intensity of precipitation extremes is continuously escalating, even in regions with decreasing average precipitation le...

(This article belongs to the Special Issue Landslide Research: State of the Art and Innovations)
  • Review
  • Open Access
13 Citations
6,426 Views
31 Pages

Slope failures represent one of the most serious geotechnical hazards, which can have severe consequences for personnel, equipment, infrastructure, and other aspects of a mining operation. Deterministic and stochastic conventional methods of slope st...

  • Article
  • Open Access
17 Citations
6,315 Views
26 Pages

Modelling and Validation of the Derna Dam Break Event

  • Alessandro Annunziato,
  • Marzia Santini,
  • Chiara Proietti,
  • Ludovica de Girolamo,
  • Valerio Lorini,
  • Andrea Gerhardinger and
  • Michele Tucci

1 June 2024

The catastrophic failure of two dams in Libya on 10 and 11 September 2023 resulted in the devastating flooding of the city of Derna, which is located downstream of the dams, causing more than 6000 fatalities and displacing thousands of residents. The...

(This article belongs to the Topic Geotechnics for Hazard Mitigation)
  • Article
  • Open Access
18 Citations
6,271 Views
20 Pages

Automated Snow Avalanche Monitoring and Alert System Using Distributed Acoustic Sensing in Norway

  • Antoine Turquet,
  • Andreas Wuestefeld,
  • Guro K. Svendsen,
  • Finn Kåre Nyhammer,
  • Espen Lauvlund Nilsen,
  • Andreas Per-Ola Persson and
  • Vetle Refsum

17 December 2024

Avalanches present substantial hazard risk in mountainous regions, particularly when avalanches obstruct roads, either hitting vehicles directly or leaving traffic exposed to subsequent avalanches during cycles. Traditional detection methods often ar...

  • Article
  • Open Access
8 Citations
6,214 Views
17 Pages

Multiscale Quantification of Tsunami Hazard Exposure in a Pacific Small Island Developing State: The Case of Samoa

  • Shaun Williams,
  • Ryan Paulik,
  • Rebecca Weaving,
  • Cyprien Bosserelle,
  • Josephina Chan Ting,
  • Kieron Wall,
  • Titimanu Simi and
  • Finn Scheele

This study presents a scenario-based approach for identifying and comparing tsunami exposure across different sociopolitical scales. In Samoa, a country with a high threat to local tsunamis, we apply scenarios for the 2009 South Pacific tsunami inund...

(This article belongs to the Special Issue Modelling and Numerical Simulation of Tsunami)
  • Article
  • Open Access
3 Citations
6,059 Views
15 Pages

Integrated Runoff-Storm Surge Flood Hazard Mapping Associated with Tropical Cyclones in the Suburbs of La Paz, Baja California Sur, México

  • Miguel Angel Imaz-Lamadrid,
  • Jobst Wurl,
  • Ernesto Ramos-Velázquez and
  • Jaqueline Rodríguez-Trasviña

28 December 2021

Floods are amongst the most frequent and destructive type of disaster, causing significant damage to communities. Globally, there is an increasing trend in the damage caused by floods generated by several factors. Flooding is characterized by the ove...

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GeoHazards - ISSN 2624-795X