Search Results - "Mothes, P"

Supercycle at the Ecuadorian subduction zone revealed after the 2016 Pedernales earthquake by Nocquet, J.-M., Jarrin, P., Vallée, M., Mothes, P. A., Grandin, R., Rolandone, F., Delouis, B., Yepes, H., Font, Y., Fuentes, D., Régnier, M., Laurendeau, A., Cisneros, D., Hernandez, S., Sladen, A., Singaucho, J.-C., Mora, H., Gomez, J., Montes, L., Charvis, P.

“…Large earthquakes are usually assumed to release all of the strain accumulated since the previous event, implying a reduced seismic hazard after them. However,…”
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Motion of continental slivers and creeping subduction in the northern Andes by Nocquet, J-M., Villegas-Lanza, J. C., Chlieh, M., Mothes, P. A., Rolandone, F., Jarrin, P., Cisneros, D., Alvarado, A., Audin, L., Bondoux, F., Martin, X., Font, Y., Régnier, M., Vallée, M., Tran, T., Beauval, C., Maguiña Mendoza, J. M., Martinez, W., Tavera, H., Yepes, H.

“…Regions of intense continental deformation, termed continental slivers, have been identified in Chile, Bolivia and Ecuador. Analyses of GPS data now identify…”
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Quantifying entrainment in pyroclastic density currents from the Tungurahua eruption, Ecuador: Integrating field proxies with numerical simulations by Benage, M. C., Dufek, J., Mothes, P. A.

“…The entrainment of air into pyroclastic density currents (PDCs) impacts the dynamics and thermal history of these highly mobile currents. However, direct…”
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Using satellite radar amplitude imaging for monitoring syn-eruptive changes in surface morphology at an ice-capped stratovolcano by Arnold, D.W.D., Biggs, J., Wadge, G., Mothes, P.

“…Satellite-based measurements of synthetic aperture radar amplitude provide a method for monitoring volcanoes during unrest and eruptions even when visual…”
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Current motion and deformation of the Nazca Plate: new constraints from GPS measurements by Jarrin, P, Nocquet, J-M, Rolandone, F, Mora-Páez, H, Mothes, P, Cisneros, D

“…SUMMARY We use new GPS data to determine an updated Euler pole describing the present-day motion of the oceanic Nazca Plate. Our solution includes continuous…”
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Partitioning of oblique convergence in the Northern Andes subduction zone: Migration history and the present‐day boundary of the North Andean Sliver in Ecuador by Alvarado, A, Audin, L, Nocquet, J. M, Jaillard, E, Mothes, P, Jarrín, P, Segovia, M., Rolandone, F, Cisneros, D

“…Along the Ecuadorian margin, oblique subduction induces deformation of the overriding continental plate. For the last 15 Ma, both exhumation and tectonic…”
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Distribution of discrete seismic asperities and aseismic slip along the Ecuadorian megathrust by Chlieh, M., Mothes, P.A., Nocquet, J.-M., Jarrin, P., Charvis, P., Cisneros, D., Font, Y., Collot, J.-Y., Villegas-Lanza, J.-C., Rolandone, F., Vallée, M., Regnier, M., Segovia, M., Martin, X., Yepes, H.

“…A dense GPS network deployed in Ecuador reveals a highly heterogeneous pattern of interseismic coupling confined in the first 35 km depth of the contact…”
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Drumbeat LP “Aftershocks” to a Failed Explosive Eruption at Tungurahua Volcano, Ecuador by Butcher, S., Bell, A. F., Hernandez, S., Calder, E., Ruiz, M., Mothes, P.

“…Highly periodic, repetitive long‐period (LP) earthquakes, known as “drumbeats,” have been observed at a range of volcanoes, typically during the ascent of…”
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Continental block motion in the Northern Andes from GPS measurements by Jarrin, P, Nocquet, J-M, Rolandone, F, Audin, L, Mora-Páez, H, Alvarado, A, Mothes, P, Audemard, F, Villegas-Lanza, J C, Cisneros, D

“…SUMMARY Northwestern South America is a plate boundary zone where the Nazca, Caribbean and South American plates interact to produce a wide area of active…”
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Internal deformation of the North Andean Sliver in Ecuador-southern Colombia observed by InSAR by Marconato, L, Audin, L, Doin, M-P, Nocquet, J-M, Jarrin, P, Rolandone, F, Harrichhausen, N, Mothes, P, Mora-Páez, H, Cisneros, D

“…Summary In the Northern Andes, partitioning of oblique subduction of the Nazca plate beneath the South American continent induces a northeastward motion of the…”
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Towards coordinated regional multi-satellite InSAR volcano observations: results from the Latin America pilot project by Pritchard, M. E., Biggs, J., Wauthier, C., Sansosti, E., Arnold, D. W. D., Delgado, F., Ebmeier, S. K., Henderson, S. T., Stephens, K., Cooper, C., Wnuk, K., Amelung, F., Aguilar, V., Mothes, P., Macedo, O., Lara, L. E., Poland, M. P., Zoffoli, S.

“…Within Latin America, about 319 volcanoes have been active in the Holocene, but 202 of these volcanoes have no seismic, deformation or gas monitoring…”
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Active tectonics in Quito, Ecuador, assessed by geomorphological studies, GPS data, and crustal seismicity by Alvarado, A., Audin, L., Nocquet, J. M., Lagreulet, S., Segovia, M., Font, Y., Lamarque, G., Yepes, H., Mothes, P., Rolandone, F., Jarrín, P., Quidelleur, X.

“…The Quito Fault System (QFS) extends over 60 km along the Interandean Depression in northern Ecuador. Multidisciplinary studies support an interpretation in…”
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Decaying Lava Extrusion Rate at El Reventador Volcano, Ecuador, Measured Using High‐Resolution Satellite Radar by Arnold, D. W. D., Biggs, J., Anderson, K., Vallejo Vargas, S., Wadge, G., Ebmeier, S. K., Naranjo, M. F., Mothes, P.

“…Lava extrusion at erupting volcanoes causes rapid changes in topography and morphology on the order of tens or even hundreds of meters. Satellite radar…”
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Contrasting origin of two clay-rich debris flows at Cayambe Volcanic Complex, Ecuador by Detienne, M., Delmelle, P., Guevara, A., Samaniego, P., Opfergelt, S., Mothes, P.A.

“…We investigate the sedimentological and mineralogical properties of a debris flow deposit west of Cayambe Volcanic Complex, an ice-clad edifice in Ecuador. The…”
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Stratovolcano growth by co-eruptive intrusion: The 2008 eruption of Tungurahua Ecuador by Biggs, J., Mothes, P., Ruiz, M., Amelung, F., Dixon, T. H., Baker, S., Hong, S-H.

“…Volcanic edifices are constructed by a combination of erupted material and internal growth. We use the L‐band satellite ALOS to produce InSAR measurements at…”
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Addendum: Motion of continental slivers and creeping subduction in the northern Andes by Nocquet, J-M., Villegas-Lanza, J. C., Chlieh, M., Mothes, P. A., Rolandone, F., Jarrin, P., Cisneros, D., Alvarado, A., Audin, L., Bondoux, F., Martin, X., Font, Y., Régnier, M., Vallée, M., Tran, T., Beauval, C., Maguiña Mendoza, J. M., Martinez, W., Tavera, H., Yepes, H.

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The enormous Chillos Valley Lahar : an ash-flow-generated debris flow from Cotopaxi Volcano, Ecuador by MOTHES, P. A, HALL, M. L, JANDA, R. J

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InSAR Deformation Analysis and Source Modelling of the Guagua Pichincha Volcano (Ecuador) by Yepez, M., Trasatti, E., Tolomei, C., Atzori, S., Mothes, P., Ruiz, M., Samaniego, P.

“…Guagua Pichincha (4784 m a.s.1.) is a dacite-composed stratovolcano, located 12 km to the west of Quito, Ecuador's capital with over 2.7 million inhabitants…”
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Decompression and degassing, repressurization, and regassing during cyclic eruptions at Guagua Pichincha volcano, Ecuador, 1999–2001 by Wright, H. M. N., Cioni, R., Cashman, K. V., Mothes, P., Rosi, M.

“…In 1999–2001, Guagua Pichincha volcano, Ecuador, produced a series of cyclic explosive and effusive eruptions. Rock samples, including dense blocks and…”
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30,000 years of landscape and vegetation dynamics in a mid-elevation Andean valley by McMichael, C.N.H., Witteveen, N.H., Scholz, S., Zwier, M., Prins, M.A., Lougheed, B.C., Mothes, P., Gosling, W.D.

“…The mid-elevation settings of the Andes are important biodiversity hotspots, yet little is known of their long-term ecology or environmental change. Here, we…”
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