Meteotsunamis Occurring Along the Southwest Coast of South America During an Intense Storm

Carvajal, Matías; Contreras-López, Manuel; Winckler, Patricio; Sepúlveda, Ignacio

doi:10.1007/s00024-017-1584-0

Cited by 30 publications

(15 citation statements)

References 25 publications

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“…() estimate a mean significant wave height of 2·93 m for Atacama, with a maximum value of 4·26 m and a west/south‐west direction. The last and best‐known meteorological storm surge in central Chile (August 2015) recorded significant wave heights of up to 7·2 m off the Valparaiso coast (more than 600 km to the south of the study area) showing a subtle attenuation towards the north (Carvajal et al ., ).…”

Section: Study Areamentioning

confidence: 97%

Coastal boulder deposit as evidence of an ocean‐wide prehistoric tsunami originated on the Atacama Desert coast (northern Chile)

et al. 2019

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A Late Holocene cliff‐top deposit of large boulders well above the limits of modern storm waves is described from the southern coast of the Atacama Desert (northern Chile). The largest moved boulder weighs >40 t and field data point to a flood height >18·5 m above high tide level and an inland penetration greater than 284 m from the cliff edge. The minimum flow velocity needed for particle entrainment was estimated as 10·1 ms−1 and the most likely processes of sediment deposition for different boulders were deduced. The boulder distribution, sorting and orientation of imbricated debris, together with the significant wave height of extreme storms reported and the occurrence of interplate earthquakes in the study area indicate that the deposit records a single event, interpreted here as a tsunami wave train rather than exceptional storm waves. The boulder field was dated to between the 13th and the 16th Centuries ce and possibly correlates with the 1420 Oei orphan tsunami, that affected the eastern coast of Japan. A magnitude of 8·8 to 9·4 has been estimated for the earthquake, which may be one of the larger events of a super‐cycle of earthquakes in the southern Atacama Desert. These cycle‐ending earthquakes involve large rupture areas (lengths in excess of 600 km) and highly destructive ocean‐wide tsunamigenic events.

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Section: Study Areamentioning

confidence: 97%

Coastal boulder deposit as evidence of an ocean‐wide prehistoric tsunami originated on the Atacama Desert coast (northern Chile)

et al. 2019

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“…Studies carried out by Dr. Manuel Contreras-Lopez and colleagues (Universidad de Playa Ancha, Valparaíso) in central Chile (ca. 33° S), demonstrate 0.5ºC increase in terrestrial temperatures during the last 50 years, 10% reduction of rainfall, and a sea level rise of 3.3 mm year -1 , which is concomitant with the increased occurrence of extreme climatic events such as storm surges affecting the geomorphology and wetlands along the coast (Contreras-López et al 2016;Martínez et al 2017;Carvajal et al 2017). Furthermore, the importance of tidal variability in coastal wetlands was emphasized in the workshop by Dr. Mario Pino (Universidad Austral de Chile).…”

Section: Short Communicationmentioning

confidence: 99%

Ecosystem processes, management and human dimension of tectonically-influenced wetlands along the coast of central and southern Chile

et al. 2019

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A Workshop on Coastal Wetlands of Chile was held at Universidad Austral de Chile (Valdivia. november 2017). It was discussed the impact of earthquakes and tsunamis along this coast and their implication for wetlands. These events produce major modifi cations associated with variable rates of resilience. Emphasis was placed on social dimensions of such disturbances considering their impact on ecosystem services. Societal resilience must be included within the scales of wetland recovery, and incorporated in conservation and management strategies.

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“…Several destructive meteotsunamis that have occurred during recent years in various regions of the world demonstrate that this phenomenon is much more frequent and widespread than previously thought (Vilibić et al 2016). Carvajal et al (2017) reported on meteotsunamis that have recently occurred along the Chilean and Peruvian coasts. These tsunami-like oscillations were clearly recorded by coastal tide gauges during an intense storm that affected central Chile on 8 August 2015.…”

Section: Volcanic Landslide and Meteorological Tsunamismentioning

confidence: 86%

Introduction to “Global Tsunami Science: Past and Future, Volume II”

Rabinovich

Fritz

Tanioka

et al. 2017

Pure Appl. Geophys.

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Abstract-Twenty-two papers on the study of tsunamis are included in Volume II of the PAGEOPH topical issue ''Global Tsunami Science: Past and Future''. Volume I of this topical issue was published as PAGEOPH, vol. 173, No. 12, 2016 (Eds., E. L. Geist, H. M. Fritz, A. B. Rabinovich, and Y. Tanioka). Three papers in Volume II focus on details of the 2011 and 2016 tsunamigenerating earthquakes offshore of Tohoku, Japan. The next six papers describe important case studies and observations of recent and historical events. Four papers related to tsunami hazard assessment are followed by three papers on tsunami hydrodynamics and numerical modelling. Three papers discuss problems of tsunami warning and real-time forecasting. The final set of three papers importantly investigates tsunamis generated by non-seismic sources: volcanic explosions, landslides, and meteorological disturbances. Collectively, this volume highlights contemporary trends in global tsunami research, both fundamental and applied toward hazard assessment and mitigation.

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Meteotsunamis Occurring Along the Southwest Coast of South America During an Intense Storm

Cited by 30 publications

References 25 publications

Coastal boulder deposit as evidence of an ocean‐wide prehistoric tsunami originated on the Atacama Desert coast (northern Chile)

Coastal boulder deposit as evidence of an ocean‐wide prehistoric tsunami originated on the Atacama Desert coast (northern Chile)

Ecosystem processes, management and human dimension of tectonically-influenced wetlands along the coast of central and southern Chile

Introduction to “Global Tsunami Science: Past and Future, Volume II”

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