Results 1 to 10 of about 286 (143)

Volcano observatories and monitoring activities in Guatemala

open access: yesVolcanica, 2021
The tectonic and volcanic environment in Guatemala is large and complex. Three major tectonic plates constantly interacting with each other, and a volcanic arc that extends from east to west in the southern part of the country, demand special attention ...
Amilcar Roca   +6 more
doaj   +1 more source

The rupture plane of the February 2022 Mw 6.2 Guatemala, intermediate depth earthquake

open access: yesSeismica, 2023
An intermediate depth intraplate earthquake with Mw 6.2 was generated in the Guatemalan subduction zone on 16 February 2022 with epicenter to Southwest of the department of Escuintla.
Robin Yani-Quiyuch   +2 more
doaj   +1 more source

Crustal Structure Across the Northern Region of the Islas Marías Archipelago

open access: yesFrontiers in Earth Science, 2021
The tectonic interaction between the Rivera and North American plates north of the Bahía de Banderas is poorly understood. The nature of the crust and where the subduction ends in the western part of the Islas Marias Archipelago are still controversial ...
Luis Alfredo Madrigal   +4 more
doaj   +1 more source

The TsuJal Amphibious Seismic Network: A Passive-Source Seismic Experiment in Western Mexico

open access: yesFrontiers in Earth Science, 2021
The geodynamic complexity in the western Mexican margin is controlled by the multiple interactions between the Rivera, Pacific, Cocos, and North American plates, as evidenced by a high seismicity rate, most of whose hypocenters are poorly located.
Francisco Javier Núñez-Cornú   +7 more
doaj   +1 more source

Integrated Seismic Catalog for Colombia

open access: yesBoletín Geológico, 2023
Este artículo presenta el conjunto de datos de terremotos denominado Catálogo Sísmico Integrado (CSI) para  Colombia y territorios limítrofes (fronteras con Costa Rica,  Ecuador, Nicaragua, Panamá, Perú y Venezuela).
Julian Montejo   +2 more
doaj   +1 more source

A note on upgrading long-period seismographs

open access: yesGeofísica Internacional, 2003
La utilidad de la señal generada por sismómetros electromagnéticos de periodo largo se puede incrementar convirtiendo esta señal a formato digital mediante el uso de componentes electrónicos de costo reducido.
Antonio Vidal   +6 more
doaj   +1 more source

The Extended Continental Crust West of Islas Marías (Mexico)

open access: yesFrontiers in Earth Science, 2021
The crustal structure around the Islas Marías Archipelago has been debated for a long time. An important unresolved question is where the Rivera-North American plate subduction ends and the Tamayo fracture zone begins, from SE to NW.
Diana Núñez   +6 more
doaj   +1 more source

A new coda-duration magnitude scale for northern Baja California, Mexico

open access: yesGeofísica Internacional, 2005
En la región norte de Baja California las duraciones de coda de señales sísmicas registradas en el ambiente sedimentario del Valle Mexicali-Imperial (VMI) son mayores que las registradas en la región granítica de las Sierras Peninsulares de Baja ...
Antonio Vidal, Luis Munguía
doaj   +1 more source

Física de la Tierra

open access: yesGeofísica Internacional, 1981
En la pasada reunión de la UGM en Manzanillo se mencionó el problema de la falta de libros acerca de geofísica en español que, destinados a un auditorio joven a nivel de bachillerato o principio de licenciatura, ofrecieran una iniciación atractiva a la ...
F. Alejandro Nava P.
doaj   +1 more source

Strong motion records of the Oaxaca, México, earthquake of november 29, 1978

open access: yesGeofísica Internacional, 1978
El sismo principal del 24 de noviembre de 1978 en el sur de! estado de Oaxaca, México, con magnitud MS=7.8, produjo daños ligeros en construcciones modestas, principalmente de adobe, muy similares a las que fueron destruidas en gran proporción por los ...
J. Prince   +4 more
doaj   +1 more source

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