Articles | Volume 25, issue 10
https://doi.org/10.5194/nhess-25-4203-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-25-4203-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Oct 2025
Research article |
| 28 Oct 2025
| 28 Oct 2025
Understanding extreme-wave hazards on high-energy coasts requires a standardised approach to field data collection: analysis and recommendations
Geosciences Department, Williams College, Williamstown MA, USA
School of Natural Sciences, Trinity College, Dublin, Ireland
Mary C. Bourke
School of Natural Sciences, Trinity College, Dublin, Ireland
Max Engel
Institute of Geography, Heidelberg University, Heidelberg, Germany
Andrew B. Kennedy
Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, IN, USA
Annie Lau
School of the Environment, The University of Queensland, Brisbane, Australia
Serge Suanez
CNRS, LETG UMR 6554, Institut Universitaire Européen de la Mer, Université de Brest, 29280 Plouzané, France
Sarah J. Boulton
School of Geography, Earth and Environmental Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
Maria Alexandra Oliveira
CE3C – Centre for Ecology, Evolution and Environmental Changes & CHANGE – Global Change and Sustainability Institute, Faculdade de Ciências da Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
Raphaël Paris
CNRS, IRD, OPGC, Laboratoire Magmas et Volcans, Université Clermont Auvergne, 63000 Clermont-Ferrand, France
Dimitra Salmanidou
Advanced Research Computing Centre, University College London, London WC1E 6BT, UK
Michaela Spiske
Institut für Geowissenschaften, Rheinische Friedrich-Wilhelms-Universität Bonn, 53115 Bonn, Germany
Wayne Stephenson
School of Geography, University of Otago, Dunedin, Aotearoa/New Zealand
Storm Roberts
School of Geography, Earth and Environmental Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
Adam D. Switzer
Earth Observatory of Singapore, Nanyang Technological University, Singapore
Asian School of the Environment, Nanyang Technological University, Singapore
Nadia Mhammdi
GEOPAC Research Center, Geophysics and Natural Hazards Laboratory, Scientific Institute, Mohammed V University in Rabat, Morocco
Niamh D. Cullen
School of History and Geography, Dublin City University, Dublin, Ireland
Masashi Watanabe
School of Ocean and Earth Science, University of Southampton, European Way, Southampton, SO14 3ZH, UK
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Felix Henselowsky, Annette Kadereit, Manuel Herzog, Barbara Tuczek, Heinrich Thiemeyer, Olaf Bubenzer, and Max Engel
E&G Quaternary Sci. J., 75, 33–47, https://doi.org/10.5194/egqsj-75-33-2026, https://doi.org/10.5194/egqsj-75-33-2026, 2026
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The marshy, silted-up channel of the Late Glacial Bergstraßenneckar near Mannheim provided a rare source of clay in the sand- and gravel-dominated environment of the Rhine river. Based on satellite images, sedimentological, geophysical, and historical data, as well as optical dating, we identify a plot of sand-filled trenches where clay was mined around 1865 CE, which was only possible after groundwater lowering resulting from large-scale river regulation starting in the early 19th century.
Masashi Watanabe, Adam D. Switzer, Erandani Lakshani Widana Arachchige, Constance Ting Chua, Jun Yu Puah, Elaine Tan, Timothy A. Shaw, and David Lallemant
EGUsphere, https://doi.org/10.5194/egusphere-2025-5703, https://doi.org/10.5194/egusphere-2025-5703, 2025
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We investigated storm surge risk in Singapore using computer simulations to understand how storms of different strengths and paths may affect the city under present and future sea levels. We found that storm surge height changes little as sea level rises, but the flooded area grows greatly. This shows that rising seas are the main cause of increased inundation and highlights the need to consider future sea levels when assessing and preparing for flooding in Singapore.
Zhi Yang Koh, Benjamin S. Grandey, Dhrubajyoti Samanta, Adam D. Switzer, Benjamin P. Horton, Justin Dauwels, and Lock Yue Chew
Ocean Sci., 20, 1495–1511, https://doi.org/10.5194/os-20-1495-2024, https://doi.org/10.5194/os-20-1495-2024, 2024
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Identifying tide–surge interaction (TSI) is a complex task. We enhance existing statistical methods with a more-robust test that accounts for complex tides. We also develop a semi-empirical model to investigate the influence of one mechanism of TSI, tidal-phase alteration. We apply these techniques to tide-gauge records from Singapore and the east coast of Peninsular Malaysia. We find TSI at all studied locations: tidal-phase alteration can change the timing of large surges.
Emmie Malika Bonilauri, Catherine Aaron, Matteo Cerminara, Raphaël Paris, Tomaso Esposti Ongaro, Benedetta Calusi, Domenico Mangione, and Andrew John Lang Harris
Nat. Hazards Earth Syst. Sci., 24, 3789–3813, https://doi.org/10.5194/nhess-24-3789-2024, https://doi.org/10.5194/nhess-24-3789-2024, 2024
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Currently on the island of Stromboli, only 4 min of warning time is available for a locally generated tsunami. We combined tsunami simulations and human exposure to complete a risk analysis. We linked the predicted inundation area and the tsunami warning signals to assess the hazard posed by future tsunamis and to design escape routes to reach safe areas and to optimise evacuation times. Such products can be used by civil protection agencies on Stromboli.
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Andrea Verolino, Su Fen Wee, Susanna F. Jenkins, Fidel Costa, and Adam D. Switzer
Nat. Hazards Earth Syst. Sci., 24, 1203–1222, https://doi.org/10.5194/nhess-24-1203-2024, https://doi.org/10.5194/nhess-24-1203-2024, 2024
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Submarine volcanic eruptions represent the majority of eruptions taking place on Earth. Still, they are vastly understudied worldwide. Here we compile a new dataset and assess the morphology, depth, and height of submarine volcanoes in Southeast Asia and its surroundings to understand their hazard-exposure potential in the region. This study will serve as a stepping stone for future quantitative hazard assessments from submarine eruptions in Southeast Asia and neighbouring countries.
Hugh Daigle, João C. Duarte, Ake Fagereng, Raphaël Paris, Patricia Persaud, Ángela María Gómez-García, and the Lisbon MagellanPlus Workshop Participants
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Natural hazards associated with the ocean can have a direct impact on coastal populations and even affect populations located far away from the coast. These hazards may interact, and they include tsunamis that result in major damage and catastrophic loss of life and submarine landslides, which themselves can produce tsunamis and damage subsea infrastructure. We present ideas for investigating these hazards with scientific ocean drilling.
Max Engel, Felix Henselowsky, Fabian Roth, Annette Kadereit, Manuel Herzog, Stefan Hecht, Susanne Lindauer, Olaf Bubenzer, and Gerd Schukraft
E&G Quaternary Sci. J., 71, 213–226, https://doi.org/10.5194/egqsj-71-213-2022, https://doi.org/10.5194/egqsj-71-213-2022, 2022
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The late-glacial Bergstraßenneckar is a former course of the Neckar River in the Upper Rhine Graben of southwest Germany at a time when the confluence with the Rhine river was 50 km further to the north. The former river bends are still visible in topographic maps and satellite imagery. Sediment cores and geophysical measurements from the former river channels let us reconstruct the shift from a running river to silting-up meanders and permit us to date this to ca. 11 000 to 10 500 years ago.
Raquel P. Felix, Judith A. Hubbard, Kyle E. Bradley, Karen H. Lythgoe, Linlin Li, and Adam D. Switzer
Nat. Hazards Earth Syst. Sci., 22, 1665–1682, https://doi.org/10.5194/nhess-22-1665-2022, https://doi.org/10.5194/nhess-22-1665-2022, 2022
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The Flores Thrust lies along the north coasts of Bali and Lombok. We model how an earthquake on this fault could trigger a tsunami that would impact the regional capital cities of Mataram and Denpasar. We show that for 3–5 m of slip on the fault (a Mw 7.5–7.9+ earthquake), the cities would experience a wave ca. 1.6–2.7 and ca. 0.6–1.4 m high, arriving in < 9 and ca. 23–27 min, respectively. They would also experience subsidence of 20–40 cm, resulting in long-term exposure to coastal hazards.
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Nat. Hazards Earth Syst. Sci., 22, 931–945, https://doi.org/10.5194/nhess-22-931-2022, https://doi.org/10.5194/nhess-22-931-2022, 2022
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Mesoscale simulation provides a general approach that could be implemented to fulfill the purpose of planning and has relatively low requirements for computation time and data while still providing reasonable accuracy. The method is generally applicable to all coastal cities around the world for examining the effect of future climate change on typhoon-generated storm surge even where historical observed data are inadequate or not available.
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Nat. Hazards Earth Syst. Sci. Discuss., https://doi.org/10.5194/nhess-2022-4, https://doi.org/10.5194/nhess-2022-4, 2022
Manuscript not accepted for further review
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Few databases provide standardized reporting of disaster-related agricultural damage and loss. We compiled cyclone-induced rice damage data from 1970–2018 in four countries in Asia (Bangladesh, Myanmar, Philippines and Vietnam). Of the 1,046 cyclone events recorded, 13 % or 138 events were associated with rice damage. Philippines and Vietnam accounted for 128 of these events. While higher cyclone intensity tend to cause most damage, lower intensity events were more frequent.
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The Philippines is a nation very vulnerable to devastating typhoons. We investigate if stable isotopes of precipitation can be used to detect typhoon activities in the Philippines based on daily isotope measurements from Metropolitan Manila. We find that strong typhoons such as Rammasun, which occurred in July 2014, leave detectable isotopic signals in precipitation. Besides other factors, the distance of the typhoon to the sampling site plays a key role in influencing the signal.
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Constance Ting Chua, Adam D. Switzer, Anawat Suppasri, Linlin Li, Kwanchai Pakoksung, David Lallemant, Susanna F. Jenkins, Ingrid Charvet, Terence Chua, Amanda Cheong, and Nigel Winspear
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Port industries are extremely vulnerable to coastal hazards such as tsunamis. Despite their pivotal role in local and global economies, there has been little attention paid to tsunami impacts on port industries. For the first time, tsunami damage data are being extensively collected for port structures and catalogued into a database. The study also provides fragility curves which describe the probability of damage exceedance for different port industries given different tsunami intensities.
Kai Wan Yuen, Tang Thi Hanh, Vu Duong Quynh, Adam D. Switzer, Paul Teng, and Janice Ser Huay Lee
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We used flow diagrams to represent the ways in which anthropogenic land use and natural hazards have affected rice production in the two
mega-deltas of Vietnam. Anthropogenic developments meant to improve productivity may create negative feedbacks on rice production and quality. Natural hazards further amplify problems created by human activities. A systems-thinking approach can yield nuanced perspectives for tackling environmental challenges.
Dominik Brill, Simon Matthias May, Nadia Mhammdi, Georgina King, Benjamin Lehmann, Christoph Burow, Dennis Wolf, Anja Zander, and Helmut Brückner
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Wave-transported boulders are important records for storm and tsunami impact over geological timescales. Their use for hazard assessment requires chronological information. We investigated the potential of a new dating technique, luminescence rock surface exposure dating, for estimating transport ages of wave-emplaced boulders. Our results indicate that the new approach may provide chronological information on decadal to millennial timescales for boulders not datable by any other method so far.
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Short summary
Coastal boulder deposits record extreme wave events, both storm and tsunami. Fully understanding hazards as recorded in these deposits requires high-quality data for comparison among sites and over time. We analysed methodologies and constructed a comprehensive set of field measurements to improve data consistency and reproducibility. We aim to help geomorphologists produce of data that can be widely shared and used to build extensive analytic understanding of coastal boulder deposits.
Coastal boulder deposits record extreme wave events, both storm and tsunami. Fully understanding...
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