Search
Now showing items 31-40 of 82
A melt-focusing zone in the lithospheric mantle preserved in the Santa Elena Ophiolite, Costa Rica
(2015-08-01)
The Santa Elena Ophiolite in Costa Rica is composed of a well-preserved fragment of the lithospheric mantle that formed along a paleo-spreading center. Within its exposed architecture, this ophiolite records a deep section ...
Actividad histórica y análisis de la amenaza del volcán Turrialba, Costa Rica
HISTORIC ACTIVITY AND HAZARD ANALYSIS OF TURRIALBA VOLCANO, COSTA RICA
(2015)
The historic activity of Turrialba volcano was studied based on traveler’s reports and newspapers of the
19th century. In 1864-1866, the volcano was in a period of magmatic eruptions which can be subdivided in two stages: ...
El deslizamiento de Palo Alto, Turrialba, Costa Rica: apuntes para su estudio
(2015-12)
En este trabajo se busca caracterizar, desde un punto de vista geomorfológico y geológico, el deslizamiento de Palo Alto, en el contexto de los mega procesos de inestabilidad de laderas presentes en las laderas del río ...
EL ÁREA DE DESLIZAMIENTOS DE TORITO: UN PROCESO HISTÓRICO DE AMENAZA
(2015-06)
Al área de inestabilidad de laderas de Torito, ubicada en Santa Teresita, distrito cuarto del cantón de Turrialba, Costa Rica, se le conoce actividad histórica explícita a raíz de los constantes reportes de averías y ...
Rupture processes of the 2012 September 5 Mw 7.6 Nicoya, Costa Rica earthquake constrained by improved geodetic and seismological observations
(2015-08-17)
On 2012 September 5, the anticipated interplate thrust earthquake ruptured beneath the Nicoya peninsula in northwestern Costa Rica close to the Middle America trench, with a magnitude Mw 7.6. Extensive co-seismic observations ...
The National Seismological Network of Costa Rica (RSN): An Overview and Recent Developments
(2018-03)
The National Seismological Network of Costa Rica (RSN) is a joint effort between the University of Costa Rica (UCR) and the Costa Rican Institute of Electricity (ICE). In this article, we briefly describe its history, ...
Actividad sísmica percibida en Costa Rica durante el 2017
Felt seismicity in Costa Rica during 2017
(2018)
Durante el 2017 la Red Sismológica Nacional (RSN: UCR-ICE) localizó 2755 sismos y reportó 216 eventos sentidos por la población, incluyendo cuatro sismos relevantes con magnitudes (Mw) de entre 5,5 y 6,3. La mayoría (91%) ...
Sismicidad registrada por la RSN en el 2016
(2017)
During 2016, the National Seismological Network (RSN: UCR-ICE) registered 4594 earthquakes and reported 210 felt events. There were 13 significant earthquakes with magnitude Mw > 5.0. The majority (86%) of felt earthquakes ...
Modelo mínimo unidimensional de velocidades de la onda P para la cordillera volcánica de Guanacaste, Costa Rica
Minimum 1D P wave velocity model for the Guanacaste volcanic ARC, Costa Rica
(2016)
En este estudio se calcula un modelo mínimo de velocidades para la Cordillera Volcánica de Guanacaste a partir de 475 sismos locales registrados por el Observatorio Vulcanológico y Sismológico Arenal Miravalles (OSIVAM) ...
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 ...