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Analysis of Seismic Activity near Theodore Roosevelt Dam, Arizona, during the Occupation of the EarthScope/USArray Transportable Array
(2012)
Rate and distribution of seismic activity are important indicators of the overall state of tectonic stress within a region. In regions characterized by low levels of seismicity, active fault surfaces are rarely visible at ...
COVID-19 lockdown effects on the seismic recordings in Central America
(2021-09-30)
A noticeable decrease in seismic noise was registered
worldwide during the lockdown measures implemented
in 2020 to prevent the spread of COVID-19. In Central America,
strong lockdown measures started during March of ...
Nature of crustal terranes and the Moho in northern Costa Rica from receiver function analysis
(2010-01)
The Central American subduction zone in northern Costa Rica shows along‐strike variations in both the incoming and overriding plates. By analyzing the subducting oceanic Moho (M1) and the upper plate Moho (M2) with receiver ...
Magmatic and Tectonic Domains of Central Costa Rica and the Irazú-Turrialba Volcanic Complex Revealed by Ambient Noise Tomography
(2022-11)
The Central America Volcanic Arc runs from Guatemala to Panama, locally interrupted in Costa Rica after the twin-system Irazú-Turrialba Volcanic Complex, at the onset of the Talamanca Cordillera. A marked geological ...
El sismo de Capellades del 2016 y su secuencia sísmica: manifestación de fallamiento de rumbo en el arco volcánico de Costa Rica
The 2016 Capellades earthquake and its seismic sequence: Expression of strike-slip faulting in the volcanic arc of Costa Rica
(2018-05)
El 30 de noviembre del 2016 a las 18:25 (00:25 UTC del 1º de diciembre) ocurrió un sismo de Mw 5,5 a una profundidad de 2,7 km, 4 km al norte de Capellades de Alvarado, Costa Rica. Fue ...
Tsunamis and Tsunami Hazards in Central America
(2000-02)
A tsunami catalogue for Central America is compiled containing 49 tsunamis for the
period 1539–1996, thirty seven of them are in the Pacific and twelve in the Caribbean. At the Caribbean side, 5 events are related with ...
Evolution and dynamics of the open‑vent eruption at Arenal volcano (Costa Rica, 1968–2010): what we learned and perspectives
(2022)
On 29 July 1968, there was a violent reactivation of Arenal volcano. The resulting westward-directed lateral blast eruption left two villages destroyed and 78 people dead. The activity continued as a long-lasting, open-vent ...
The 2022 Seismic Hazard Model for Costa Rica
(2023-02)
Costa Rica is located at the boundary of four tectonic plates where the regularity of destruc tive earthquakes highlights the necessity of seismic hazard estimations. This study contains
the most recent Probabilistic ...
A Constrained 3D Density Model of the Upper Crust from Gravity Data Interpretation for Central Costa Rica
(2010-01-05)
The map of complete Bouguer anomaly of Costa Rica shows an elongated NW-SE trending gravity low in the central region. This gravity low coincides with the geographical region known as the Cordillera Volcánica Central. It ...
Origen de los sismos sentidos en Costa Rica durante el año 2023
Origin of earthquakes felt in Costa Rica during 2023
(2024)
The 153 earthquakes felt in Costa Rica during 2023 can be grouped into four categories according to their origin: faulting in the Caribbean and Panama upper plates, interplate seismogenic zones of the Cocos and Caribbean ...