A5010556811- Geological and Tectonic Studies in Latin America
- earthquake and tectonic studies
- Geological and Geochemical Analysis
- Geology and Paleoclimatology Research
- Methane Hydrates and Related Phenomena
- Geological formations and processes
- Earthquake Detection and Analysis
- Seismology and Earthquake Studies
- Hydrocarbon exploration and reservoir analysis
- High-pressure geophysics and materials
- Seismic Waves and Analysis
- Geological and Geophysical Studies
- Fire effects on ecosystems
- Plant Water Relations and Carbon Dynamics
- Seismic Imaging and Inversion Techniques
- Geological Studies and Exploration
- Botany and Geology in Latin America and Caribbean
- Geomagnetism and Paleomagnetism Studies
- Geophysics and Sensor Technology
- Oceanographic and Atmospheric Processes
- Environmental and Cultural Studies in Latin America and Beyond
- Geophysics and Gravity Measurements
- Paleontology and Stratigraphy of Fossils
- Rangeland and Wildlife Management
- Tree Root and Stability Studies
Universidad Nacional Autónoma de México
2010-2025
Texas A&M University
1990-2010
Instituto de Geofísica y Astronomía
1999-2008
University of Calgary
2004
Abstract During opening of a new ocean, magma intrudes into the surrounding sedimentary basins. Heat provided by intrusions matures host rock, creating metamorphic aureoles potentially releasing large amounts hydrocarbons. These hydrocarbons may migrate to seafloor in hydrothermal vent complexes sufficient volumes trigger global warming, e.g., during Paleocene-Eocene Thermal Maximum (PETM). Mound structures at top buried observed seismic data off Norway were previously interpreted as...
Gravity data, the geometry of Wadati‐Benioff zone beneath western Mexico, and seafloor morphology Rivera‐Cocos plate boundary west Middle America trench suggest that subducted part this lies directly is oriented parallel to Southern Colima rift. Thus, rift likely formed in response divergence between subducting Rivera Cocos plates due direct coupling these two overriding North American plate. In contrast, east oblique Northern Central grabens. East graben a low density overlies underlies...
Research Article| January 01, 2006 Oceanic-ridge subduction vs. slab break off: Plate tectonic evolution along the Baja California Sur continental margin since 15 Ma F. Michaud; Michaud 1Géosciences Azur (UPMC-IRD-CNRS), BP48, 06235, Villefranche/Mer, France Search for other works by this author on: GSW Google Scholar J.Y. Royer; Royer 2CNRS-UBO Domaines Océaniques, Place Copernic, 29280 Plouzané, J. Bourgois; Bourgois 3Géosciences Dyment; Dyment 4Institut de Physique du Globe Paris, 4...
Data from portable seismographs and a permanent local network (called RESCO) are used to locate the aftershocks of October 9, 1995 Colima‐Jalisco earthquake (M w 8.0). The maximum dimension aftershock area, which is rectangular in shape, 170 km × 70 km. Our study shows that mainshock nucleated ∼24 south Manzanillo, near foreshock 6, 5.8), propagated ∼130 NW ∼40 SE. area lies offshore oriented parallel coast. observed subsidence coast consequence this rupture area. reach unusually close...
Abstract The city of Acapulco is located near or above the mature seismic gap Guerrero along Mexican subduction zone. With purpose studying character strong ground motion on soft sites, four digital accelerographs have been installed in such sites. These instruments operation since 1988. Two additional instruments, part Accelerograph Array, are hard sites area. One these, VNTA, has 1985 and other, ACAN, 1989. stations recorded several earthquakes. We use data from eight events (4.2 ≤ M 6.9)...
Arid and semiarid ecosystems are characterized by substantial water loss through evaporation, exceeding precipitation, which makes scarcity a critical challenge for plant survival. This study examined temporal variations in relations parameters two woody species, Acacia schaffneri Prosopis laevigata, one epiphytic Tillandsia recurvata. The aim was to explore the relationships between hydraulic traits conferring drought tolerance storage capacity, as well derive live fuel moisture content at...
Arid and semiarid ecosystems face significant water scarcity due to high evaporation rates exceeding precipitation. This study examines temporal variations in relations of two woody species, Vachellia schaffneri (S. Watson) Seigler & Ebinger, Prosopis laevigata (Humb. Bonpl. ex Willd.) M.C. Johnst, one epiphyte, Tillandsia recurvata (L.) L. (Bromeliaceae), assess their drought tolerance storage capacity. We hypothesized that species with greater capacity would exhibit lower reduced...
Research Article| September 01, 1999 A Preliminary Report on the Tehuacan, Mexico Earthquake of June 15, (Mw = 7.0) S. K. Singh; Singh Search for other works by this author on: GSW Google Scholar M. Ordaz; Ordaz J. F. Pacheco; Pacheco R. Quaas; Quaas L. Alcantara; Alcantara Alcocer; Alcocer C. Gutierrez; Gutierrez Meli; Meli E. Ovando Seismological Letters (1999) 70 (5): 489–504. https://doi.org/10.1785/gssrl.70.5.489 Article history first online: 09 Mar 2017 Cite View This Citation Add to...
The paleoclimatic variability of northern Mexico since the Late Wisconsinan is determined from sedimentological, geochemical, and stratigraphic studies lacustrine sequence Laguna Babícora (29.4°N, 107.7°W; elevation 2100 m asl). Chronological control based on 13 radiocarbon dates (6 this study 7 previously reported) four profiles that cover a range 16 342 to 2800 BP. Two major periods increased humidity are recognized by lake-level variation during early Holocene. humid period may be related...
The Mw 7.4 Tecoman earthquake occurred off the Pacific coast of state Colima, Mexico on 22 January 2003 (Figure 1). It was felt very strongly in city Colima and towns Armeria. left 21 persons dead. About 15,000 houses suffered damage; roughly 3,000 these experienced severe damage. most significant damage observed adobe unreinforced brick masonry houses. Very few cases structural failure were recorded engineered buildings. Ground motion lakebed zone City, about 540 km from epicentral zone,...
The propagation of the Pacific-Cocos Segment East Pacific Rise (EPR-PCS) has significantly altered plate configuration at north end Middle America Trench. This ridge propagation, collision EPR-PCS with Trench, separation Rivera and Cocos plates formation Transform have produced a complex arrangement morphotectonic elements in area Rivera-Cocos boundary, atypical an oceanic transform boundary. Existing marine magnetic bathymetric data proved inadequate to unravel this complexity, thus, dense...
El graben de Colima consiste en dos distintas provincias estructurales separadas por la zona falla La Cumbre. Los resultados su estudio gravimétrico las áreas costa y el océano provincia del sur sugiere que porción tiene unos 100 km ancho está formado grabenes mayores con orientaciones NE-SW, estos están separados un alto angosto también orientación NE-SW constituido magma inyectado a lo largo una fractura pre-existente. noroeste 35 contiene alrededor 8 espesor sedimentos presenta los...