• 1602 Citations
  • 19 h-Index
1992 …2020

Research output per year

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Research Output

  • 1602 Citations
  • 19 h-Index
  • 40 Article
  • 4 Chapter
  • 1 Comment/debate
2020

Thermo-hydrologic processes in maar eruptions: The role of vapor transport and condensation

Anderson, E. S., Ort, M. H. & Oldenburg, C. M., Mar 1 2020, In : Journal of Volcanology and Geothermal Research. 393, 106809.

Research output: Contribution to journalArticle

2018

Linking the Ukinrek 1977 maar-eruption observations to the tephra deposits: New insights into maar depositional processes

Ort, M. H., Lefebvre, N. S., Neal, C. A., McConnell, V. S. & Wohletz, K. H., Jul 1 2018, In : Journal of Volcanology and Geothermal Research. 360, p. 36-60 25 p.

Research output: Contribution to journalArticle

6 Scopus citations

Subplinian monogenetic basaltic eruption of Sunset Crater, Arizona, USA

Alfano, F., Ort, M. H., Pioli, L., Self, S., Hanson, S. L., Roggensack, K., Allison, C. M., Amos, R. & Clarke, A. B., Mar 1 2018, In : Bulletin of the Geological Society of America. 131, 3-4, p. 661-674 14 p.

Research output: Contribution to journalArticle

5 Scopus citations

Unique occurrence of a folded in-vent dike: New insights on magma-water mixing

van Otterloo, J., Ort, M. H. & Cruden, A. R., Apr 1 2018, In : Geology. 46, 4, p. 379-382 4 p.

Research output: Contribution to journalArticle

2 Scopus citations
2016

'Anomalous' magnetic fabrics of dikes in the stable single domain/superparamagnetic threshold

Soriano, C., Beamud, E., Garcés, M. & Ort, M. H., Jan 1 2016, In : Geophysical Journal International. 204, 2, p. 1040-1059 20 p.

Research output: Contribution to journalArticle

5 Scopus citations

Explosive eruptions from the interaction of magmatic and hydrothermal systems during flank extension: the Bellecombe Tephra of Piton de La Fournaise (La Réunion Island)

Ort, M. H., Di Muro, A., Michon, L. & Bachèlery, P., Jan 1 2016, In : Bulletin of Volcanology. 78, 1, p. 1-14 14 p., 5.

Research output: Contribution to journalArticle

13 Scopus citations

Monogenetic volcanoes fed by interconnected dikes and sills in the Hopi Buttes volcanic field, Navajo Nation, USA

Muirhead, J. D., Van Eaton, A. R., Re, G., White, J. D. L. & Ort, M. H., Feb 1 2016, In : Bulletin of Volcanology. 78, 2, p. 1-16 16 p., 11.

Research output: Contribution to journalArticle

27 Scopus citations
10 Scopus citations

Sunset crater and Little Springs volcano eruptions: Disaster management in the eleventh-century AD southwest

Elson, M. D., Ort, M. H. & Anderson, K. C., Jan 1 2016, Exploring Cause and Explanation: Historical Ecology, Demography, and Movement in the American Southwest. University Press of Colorado, p. 47-72 26 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations

Water-magma interaction and plume processes in the 2008 Okmok eruption, Alaska

Unema, J. A., Ort, M. H., Larsen, J. F., Neal, C. A. & Schaefer, J. R., May 1 2016, In : Bulletin of the Geological Society of America. 128, 5-6, p. 792-806 15 p.

Research output: Contribution to journalArticle

3 Scopus citations
2015
19 Scopus citations

Rates of river incision and scarp retreat in eastern and central Grand Canyon over the past half million years: Evidence for passage of a transient knickzone: COMMENT

Crow, R., Karlstrom, K., Crossey, L., Young, R., Ort, M. H., Asmerom, Y., Polyak, V. & Darling, A., Jan 1 2015, In : Geosphere. 11, 6, p. 2130-2131 2 p.

Research output: Contribution to journalComment/debate

4 Scopus citations

The use of palaeomagnetism and rock magnetism to understand volcanic processes: Introduction

Ort, M. H., Porreca, M. & Geissman, J. W., Jan 1 2015, In : Geological Society Special Publication. 396, p. 1-11 11 p.

Research output: Contribution to journalArticle

6 Scopus citations

Towards the definition of AMS facies in the deposits of pyroclastic density currents

Ort, M. H., Newkirk, T. T., Vilas, J. F. & Vazquez, J. A., Jan 1 2015, In : Geological Society Special Publication. 396, p. 205-226 22 p.

Research output: Contribution to journalArticle

6 Scopus citations
2013

Correlation of ignimbrites using characteristic remanent magnetization and anisotropy of magnetic susceptibility, Central Andes, Bolivia

Ort, M. H., De Silva, S. L., Jiménez C., N., Jicha, B. R. & Singer, B. S., Jan 1 2013, In : Geochemistry, Geophysics, Geosystems. 14, 1, p. 141-157 17 p.

Research output: Contribution to journalArticle

15 Scopus citations
2012

Recent explosive volcanism at the eastern Trans-Mexican Volcanic Belt

Carrasco-Núñez, G., Dávila-Harris, P., Riggs, N. R., Ort, M. H., Zimmer, B. W., Willcox, C. P. & Branney, M. J., 2012, In : GSA Field Guides. 25, p. 83-113 31 p.

Research output: Contribution to journalArticle

3 Scopus citations
2011

40Ar/39Ar chronostratigraphy of Altiplano-Puna volcanic complex ignimbrites reveals the development of a major magmatic province

Salisbury, M. J., Jicha, B. R., de Silva, S. L., Singer, B. S., Jiménez, N. C. & Ort, M. H., May 1 2011, In : Bulletin of the Geological Society of America. 123, 5, p. 821-840 20 p.

Research output: Contribution to journalArticle

95 Scopus citations

Rhyolitic phreatomagmatism explored: Tepexitl tuff ring (Eastern Mexican Volcanic Belt)

Austin-Erickson, A., Ort, M. H. & Carrasco-Núñez, G., Apr 15 2011, In : Journal of Volcanology and Geothermal Research. 201, 1-4, p. 325-341 17 p.

Research output: Contribution to journalArticle

15 Scopus citations
2010

Dendrochronological Responses to a Tornado

Sheppard, P. R., May, E. M., Ort, M. H., Anderson, K. C. & Elson, M. D., Jan 1 2010, Advances in Global Change Research. Springer International Publishing, p. 305-307 3 p. (Advances in Global Change Research; vol. 41).

Research output: Chapter in Book/Report/Conference proceedingChapter

2009

Lateral vent migration during phreatomagmatic and magmatic eruptions at Tecuitlapa Maar, east-central Mexico

Ort, M. H. & Carrasco-Núñez, G., Mar 20 2009, In : Journal of Volcanology and Geothermal Research. 181, 1-2, p. 67-77 11 p.

Research output: Contribution to journalArticle

63 Scopus citations

Multiple dendrochronological responses to the eruption of Cinder Cone, Lassen Volcanic National Park, California

Sheppard, P. R., Ort, M. H., Anderson, K. C., Clynne, M. A. & May, E. M., Oct 28 2009, In : Dendrochronologia. 27, 3, p. 213-221 9 p.

Research output: Contribution to journalArticle

12 Scopus citations

Post-1.8-ka Marginal Sedimentation in Lake Taupo, New Zealand: Effects of Wave Energy and Sediment Supply in a Rapidly Rising Lake

Riggs, N. R., Ort, M. H., White, J. D. L., Wilson, C. J. N., Houghton, B. F. & Clarkson, R., Mar 24 2009, Volcaniclastic Sedimentation in Lacustrine Settings. Wiley-Blackwell Publishing Ltd, p. 151-177 27 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

18 Scopus citations

Settling and Deposition of AD 181 Taupo Pumice in Lacustrine and Associated Environments

White, J. D. L., Manville, V., Wilson, C. J. N., Houghton, B. F., Riggs, N. R. & Ort, M. H., Mar 24 2009, Volcaniclastic Sedimentation in Lacustrine Settings. Wiley-Blackwell Publishing Ltd, p. 141-150 10 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

21 Scopus citations
2008

Effects of scoria-cone eruptions upon nearby human communities

Ort, M. H., Elson, M. D., Anderson, K. C., Duffield, W. A., Hooten, J. A., Champion, D. E. & Waring, G., Mar 2008, In : Bulletin of the Geological Society of America. 120, 3-4, p. 476-486 11 p.

Research output: Contribution to journalArticle

30 Scopus citations

Magnetic fabric, welding texture and strain fabric in the Nuraxi Tuff, Sardinia, Italy

Pioli, L., Lanza, R., Ort, M. & Rosi, M., Jan 23 2008, In : Bulletin of Volcanology. 70, 9, p. 1123-1137 15 p.

Research output: Contribution to journalArticle

16 Scopus citations

Multiple dendrochronological signals indicate the eruption of Parícutin volcano, Michoacán, Mexico

Sheppard, P. R., Ort, M. H., Anderson, K. C., Elson, M. D., Vázquez-Selem, L., Clemens, A. W., Little, N. C. & Speakman, R. J., Jan 1 2008, In : Tree-Ring Research. 64, 2, p. 97-108 12 p.

Research output: Contribution to journalArticle

22 Scopus citations

Phreatomagmatic explosions of rhyolitic magma: Experimental and field evidence

Autin-Erickson, A., Büttner, R., Dellino, P., Ort, M. H. & Zimanowski, B., Nov 4 2008, In : Journal of Geophysical Research: Solid Earth. 113, 11, B11201.

Research output: Contribution to journalArticle

47 Scopus citations

Variable effects of cinder-cone eruptions on prehistoric agrarian human populations in the American southwest

Ort, M. H., Elson, M. D., Anderson, K. C., Duffield, W. A. & Samples, T. L., Oct 1 2008, In : Journal of Volcanology and Geothermal Research. 176, 3, p. 363-376 14 p.

Research output: Contribution to journalArticle

23 Scopus citations
2007

Evolution and hydrological conditions of a maar volcano (Atexcac crater, Eastern Mexico)

Carrasco-Núñez, G., Ort, M. H. & Romero, C., Jan 1 2007, In : Journal of Volcanology and Geothermal Research. 159, 1-3, p. 179-197 19 p.

Research output: Contribution to journalArticle

50 Scopus citations
2006
55 Scopus citations

Integrating policy and land management issues into a natural sciences education: Teaching environmental sciences on the lower San Juan River, Utah

Ort, M. H., Anderson, D. E. & Ostergren, D. M., Mar 2006, In : Journal of Geoscience Education. 54, 2, p. 116-122 7 p.

Research output: Contribution to journalArticle

4 Scopus citations

Multiple constraints on the age of a Pleistocene lava dam across the Little Colorado River at Grand Falls, Arizona

Duffield, W., Riggs, N., Kaufman, D., Champion, D., Fenton, C., Forman, S., McIntosh, W., Hereford, R., Plescia, J. & Ort, M., Mar 1 2006, In : Bulletin of the Geological Society of America. 118, 3-4, p. 421-429 9 p.

Research output: Contribution to journalArticle

27 Scopus citations
2005

Dendrochronological responses to the 24 October 1992 tornado at Sunset Crater, northern Arizona

Sheppard, P. R., May, E. M., Ort, M. H., Anderson, K. C. & Elson, M. D., Dec 1 2005, In : Canadian Journal of Forest Research. 35, 12, p. 2911-2919 9 p.

Research output: Contribution to journalArticle

13 Scopus citations
2003

Anisotropy of magnetic susceptibility studies of depositional processes in the Campanian Ignimbrite, Italy

Ort, M. H., Orsi, G., Pappalardo, L. & Fisher, R. V., Jan 2003, In : Bulletin of Volcanology. 65, 1, p. 55-72 18 p.

Research output: Contribution to journalArticle

64 Scopus citations

Mio-Pliocene chronostratigraphy, basin morphology and paleodrainage relations derived from the Bidahochi Formation, Hopi and Navajo nations, northeastern Arizona

Dallegge, T. A., Ort, M. H. & McIntosh, W. C., Jul 1 2003, In : Mountain Geologist. 40, 3, p. 55-82 28 p.

Research output: Contribution to journalArticle

13 Scopus citations
2002

Lava, corn, and ritual in the Northern Southwest

Elson, M. D., Ort, M. H., Jerome, S. J. & Duffield, W. A., Jan 1 2002, In : American Antiquity. 67, 1, p. 119-135 17 p.

Research output: Contribution to journalArticle

19 Scopus citations
46 Scopus citations
1999
41 Scopus citations

The Agnano-Monte Spina eruption (4100 years BP) in the restless Campi Flegrei caldera (Italy)

De Vita, S., Orsi, G., Civetta, L., Carandente, A., D'Antonio, M., Deino, A., Di Cesare, T., Di Vito, M. A., Fisher, R. V., Isaia, R., Marotta, E., Necco, A., Ort, M., Pappalardo, L., Piochi, M. & Southon, J., Aug 1 1999, In : Journal of Volcanology and Geothermal Research. 91, 2-4, p. 269-301 33 p.

Research output: Contribution to journalArticle

184 Scopus citations
1997

Geochemical zoning, mingling, eruptive dynamics and depositional processes - The Campanian Ignimbrite, Campi Flegrei caldera, Italy

Civetta, L., Orsi, G., Pappalardo, L., Fisher, R. V., Heiken, G. & Ort, M., Feb 1997, In : Journal of Volcanology and Geothermal Research. 75, 3-4, p. 183-219 37 p.

Research output: Contribution to journalArticle

221 Scopus citations
1996

Generation of a crust-mantle magma mixture: Magma sources and contamination at Cerro Panizos, central Andes

Ort, M. H., Coira, B. L. & Mazzoni, M. M., Jan 1 1996, In : Contributions to Mineralogy and Petrology. 123, 3, p. 308-322 15 p.

Research output: Contribution to journalArticle

70 Scopus citations
1993
70 Scopus citations

Mobility of a large-volume pyroclastic flow - emplacement of the Campanian ignimbrite, Italy

Fisher, R. V., Orsi, G., Ort, M. & Heiken, G., Jun 1993, In : Journal of Volcanology and Geothermal Research. 56, 3, p. 205-220 16 p.

Research output: Contribution to journalArticle

221 Scopus citations
1992

Orbicular volcanic rocks of Cerro Panizos: their origin and implications for orb formation

Ort, M. H., Jan 1 1992, In : Geological Society of America Bulletin. 104, 8, p. 1048-1058 11 p.

Research output: Contribution to journalArticle

17 Scopus citations