Haraldur Sigurðsson | Academic Influence

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Haraldur Sigurðsson

Earth Sciences

#363

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#672

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Volcanology

#9

World Rank

#10

Historical Rank

earth-sciences Degrees

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Earth Sciences

Haraldur Sigurðsson's Degrees

PhD Geology University of Rhode Island

Why Is Haraldur Sigurðsson Influential?

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According to Wikipedia, Haraldur Sigurðsson or Haraldur Sigurdsson is an Icelandic volcanologist and geochemist. Education Sigurdsson was born in Stykkishólmur in western Iceland. He studied geology and geochemistry in the United Kingdom, where he obtained a Bachelor of Science degree from Queen's University, Belfast, followed by a PhD under the supervision of George Malcolm Brown from Durham University in 1970.

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Haraldur Sigurðsson's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

The encyclopedia of volcanoes (1999) (1363)
Magma mixing: a mechanism for triggering acid explosive eruptions (1977) (744)
Estimates of sulfur and chlorine yield to the atmosphere from volcanic eruptions and potential climatic effects (1984) (376)
The May 18, 1980, eruption of Mount St. Helens: 1. Melt composition and experimental phase equilibria (1985) (359)
Influence of particle aggregation on deposition of distal tephra from the MAy 18, 1980, eruption of Mount St. Helens volcano (1982) (337)
Quantitative methods for electron microprobe analysis of sodium in natural and synthetic glasses (1981) (337)
Origin of the lethal gas burst from Lake Monoun, Cameroun (1987) (291)
The intensity of plinian eruptions (1989) (241)
Density variation amongst mid-ocean ridge basalts: Implications for magma mixing and the scarcity of primitive lavas (1980) (217)
Plinian and co-ignimbrite tephra fall from the (1989) (211)
Geochemistry of the Lesser Antilles volcanic island arc (1977) (208)
The pyroclastic deposits of the 1875 eruption of Askja, Iceland (1981) (201)
Petrology of Rhyolitic and Mixed Magma Ejecta from the 1875 Eruption of Askja, Iceland (1981) (199)
Volcanogenic Sedimentation in the Lesser Antilles Arc (1980) (195)
High-resolution records of the late Paleocene thermal maximum and circum-Caribbean volcanism: is there a causal link? (1997) (194)
Spinels in Mid-Atlantic Ridge basalts: Chemistry and occurrence (1976) (189)
KAr ages of the oldest exposed rocks in Iceland (1968) (185)
Glass from the Cretaceous/Tertiary boundary in Haiti (1991) (175)
Lateral magma flow within rifted Icelandic crust (1978) (173)
The Eruption of Vesuvius in A.D. 79: Reconstruction from Historical and Volcanological Evidence (1982) (171)
Temporal variations in column height and magma discharge rate during the 79 A.D. eruption of Vesuvius (1987) (169)
Experimental constraints on pre-eruptive water contents and changing magma storage prior to explosive eruptions of Mount St Helens volcano (1995) (165)
Pyroclastic flows and surges over water: an example from the 1883 Krakatau eruption (1996) (147)
Marine investigations of Greece's Santorini Volcanic Field (2006) (145)
Eruption of the Nevado del Ruiz Volcano, Colombia, On 13 November 1985: Tephra Fall and Lahars (1986) (138)
The roseau ash: Deep-sea tephra deposits from a major eruption on Dominica, lesser antilles arc (1980) (136)
Petrological and geochemical variations along Iceland's Neovolcanic Zones (1985) (134)
New estimates of sulfur degassing and atmospheric mass-loading by the 934 AD Eldgja eruption, Iceland (2001) (132)
Experimental studies of particle‐laden plumes (1988) (129)
Volume and extent of the Minoan tephra from Santorini Volcano: new evidence from deep-sea sediment cores (1978) (129)
The 1982 eruptions of El Chichon volcano, Mexico (2): Observations and numerical modelling of tephra-fall distribution (1986) (126)
Helium isotopic systematics within the neovolcanic zones of Iceland (1985) (125)
Magma mixing, fractional crystallization and volatile degassing during the 1883 eruption of Krakatau volcano, Indonesia (1996) (125)
Computer simulation of transport and deposition of the campanian Y-5 ash (1983) (121)
Rifting episode in north iceland in 1874–1875 and the eruptions of askja and sveinagja (1978) (119)
Variations in column height and magma discharge during the May 18, 1980 eruption of Mount St. Helens (1990) (113)
The 1982 eruptions of El Chichon volcano, Mexico (3): Physical properties of pyroclastic surges (1987) (109)
Bimodal grain size distribution and secondary thickening in air-fall ash layers (1983) (109)
Sedimentation from gravity currents generated by turbulent plumes (1991) (108)
First‐order major element variation in basalt glasses from the Mid‐Atlantic Ridge: 29°N to 73°N (1981) (108)
The 1875 eruption of Askja volcano, Iceland: combined fractional crystallization and selective contamination in the generation of rhyolitic magma (1987) (106)
A model of volcanogenic sedimentation in marginal basins (1984) (106)
Volcanic pollution and climate: The 1783 Laki eruption (1982) (103)
The 1982 eruptions of El Chichón Volcano, Mexico: Stratigraphy of pyroclastic deposits (1984) (102)
Source of Ash Zone 1 in the North Atlantic (1995) (102)
The May 18, 1980 eruption of Mount St. Helens: 2. Modeling of dynamics of the Plinian Phase (1985) (100)
The impact of the Cretaceous/Tertiary bolide on evaporite terrane and generation of major sulfuric acid aerosol (1992) (100)
The eruption of Vesuvius in AD 79 (1985) (97)
Easter microplate evolution (1985) (96)
Geochemical constraints on source region of Cretaceous/Tertiary impact glasses (1991) (95)
Evidence of volcanic loading of the atmosphere and climate response (1990) (94)
Magmagenesis at Soufriere Volcano, St Vincent, Lesser Antilles Arc (1998) (93)
Geochemistry of impact glasses from the K/T boundary in Haiti - Relation to smectites and a new type of glass (1992) (92)
The eruption of Soufrière volcano, St Vincent April–June 1979 (1979) (91)
The entrance of pyroclastic flows into the sea, II. theoretical considerations on subaqueous emplacement and welding (1980) (88)
Sedimentology of the Krakatau 1883 submarine pyroclastic deposits (1996) (87)
Bimodal volcanism at the Katla subglacial caldera, Iceland: insight into the geochemistry and petrogenesis of rhyolitic magmas (2007) (84)
Surface-water acidification and extinction at the Cretaceous-Tertiary boundary (1994) (84)
The entrance of pyroclastic flows into the sea I. oceanographic and geologic evidence from dominica, lesser antilles (1980) (83)
Skagi and western neovolcanic zones in Iceland: 2. Geochemical variations (1978) (80)
The 1783 Lakagigar eruption in Iceland: geochemistry, CO2 and sulfur degassing (1991) (79)
Exploring Submarine Arc Volcanoes (2007) (78)
Fall-out and deposition of volcanic ash during the 1979 explosive eruption of the soufriere of St. Vincent (1982) (77)
Holocene Eruptive Activity of El Chich�n Volcano, Chiapas, Mexico (1984) (72)
Generation of Icelandic rhyolites by melting of plagiogranites in the oceanic layer (1977) (71)
Petrologic diversity in Mount St. Helens dacites during the last 4,000 years: implications for magma mixing (1995) (69)
North Atlantic deep-sea sedimentation of Late Quaternary tephra from the Iceland hotspot (1996) (68)
Tephra from the Minoan eruption of Santorini in sediments of the Black Sea (1993) (67)
Assessment of the atmospheric impact of volcanic eruptions (1990) (66)
Tsunami deposits from major explosive eruptions: An example from the 1883 eruption of Krakatau (2001) (66)
Influence of magma withdrawal on compositional gradients during the AD 79 Vesuvius eruption (1990) (64)
Amphibole-bearing basalts from the submarine volcano Kick’em-Jenny in the lesser antilles Island arc (1974) (64)
An experimental investigation of Iceland and Reykjanes Ridge tholeiites: I. Phase relations (1980) (63)
Structural origin and plate tectonics of the snaefellsnes volcanic zone, Western Iceland (1970) (60)
The intensity and magnitude of Holocene plinian eruptions from Mount St. Helens volcano (1995) (59)
Deep-sea evidence for distribution of tephra from the mixed magma eruption of the Soufrière on St. Vincent, 1902: Ash turbidites and air fall (1978) (59)
Paleomagnetic evidence for high‐temperature emplacement of the 1883 subaqueous pyroclastic flows from Krakatau Volcano, Indonesia (1994) (57)
Lead isotope studies on igneous rocks from Iceland (1968) (55)
Melting the Earth: The History of Ideas on Volcanic Eruptions (1999) (52)
Pyroclastic flows of the 1883 Krakatau eruption (1991) (52)
Skagi and Langjökull Volcanic Zones in Iceland: 1. Petrology and structure (1978) (51)
Chemistry of the crater lake during the 1971–1972 Soufrière eruption (1977) (51)
Pre-eruption compositional gradients and mixing of andesite and dacite magma erupted from Nevado del Ruiz Volcano, Colombia in 1985 (1990) (49)
Spinels in Leg 37 Basalts and Peridotites: Phase Chemistry and Zoning (1977) (47)
Petrology and eruption styles of Kick'em-Jenny submarine volcano, Lesser Antilles island arc (1995) (47)
Eruption of Soufri�re Volcano on St. Vincent Island, 1971-1972 (1973) (47)
Deep-Sea Record of Cenozoic Explosive Volcanism in the North Atlantic (1981) (45)
Changing sources of impurities to the Greenland ice sheet over the last 250 years (1992) (44)
Strongly undersaturated magmas in the Lesser Antilles island arc (1973) (44)
Eruption dynamics and magma withdrawal during the Plinian Phase of the Bishop Tuff Eruption, Long Valley Caldera (1991) (43)
Mechanism of the 1979 explosive eruption of soufriere volcano, St. Vincent (1982) (42)
Partly-welded pyroclast flow deposits in Dominica, Lesser Antilles (1972) (39)
The petrology and chemistry of the Setberg volcanic region and of the intermediate and acid rocks of Iceland (1970) (38)
Proceedings of the Ocean Drilling Program, 165 Initial Reports (1997) (37)
Discharge of pyroclastic flows into the sea during the 1996–1998 eruptions of the Soufrière Hills volcano, Montserrat (2004) (36)
Volcanogenic sedimentation in the Iceland Basin:influence of subaerial and subglacial eruptions. (1998) (36)
An Unusual Enstatite-Forsterite Basalt from Kolbeinsey Island, North of Iceland (1970) (36)
Volcanic hazards from pyroclastic flow discharge into the sea: Examples from the 1883 eruption of Krakatau, Indonesia (2000) (36)
The fissure swarm of the Askja volcanic system along the divergent plate boundary of N Iceland (2009) (35)
Late quaternary explosive silicic volcanism on St Lucia, West Indies (1984) (35)
Emplacement of magma in Eastern Iceland dikes: Insights from magnetic fabric and rock magnetic analyses (2010) (35)
Plinian eruptions at Glacier Peak and Newberry volcanoes, United States: Implications for volcanic hazards in the Cascade Range (1998) (35)
Petrology of acid xenoliths from Surtsey (1968) (34)
Volcanic disasters in Latin America and the 13th November 1985 eruption of Nevado del Ruiz volcano in Colombia. (1986) (34)
GRAIN SIZE OF MIOCENE VOLCANIC ASH LAYERS FROM SITES 998, 999, AND 1000: IMPLICATIONS FOR SOURCE AREAS AND DISPERSAL 1 (2000) (31)
Thermal minima along the axis of the Mid-Atlantic Ridge (1979) (31)
Source and dispersal of jökulhlaup sediments discharged to the sea following the 1996 Vatnajökull eruption (2000) (31)
Marine Tephrochronology and Quaternary Explosive Volcanism in the Lesser Antilles Arc (1981) (30)
Volcanoes and Tourism (2015) (30)
Petrologic Evidence of Volatile Emissions from Major Historic and Pre‐Historic Volcanic Eruptions (2013) (30)
The liquid composition and crystallization history of the 1979 soufriere magma, St. Vincent, W.I. (1983) (29)
Comments on the early settlement of Iceland (1991) (28)
Caribbean volcanism, Cretaceous/Tertiary impact, and ocean-climate history : Synthesis of Leg 165 (1997) (28)
20. HISTORY OF CIRCUM-CARIBBEAN EXPLOSIVE VOLCANISM: 40 Ar/ 39 Ar DATING OF TEPHRA LAYERS 1 (2000) (28)
The Encyclopedia of Volcanoes (2nd ed) (2015) (27)
Use of fractal analysis for discrimination of particles from primary and reworked jökulhlaup deposits in SE Iceland (2000) (27)
Depletion of H2O2 in a Greenland ice core: implications for oxidation of volcanic SO2 (1990) (26)
ACTIVE TECTONICS IN THE HELLENIC VOLCANIC ARC: THE KOLUMBO SUBMARINE VOLCANIC ZONE (2017) (26)
Lethal gas bursts from Cameroon Crater Lakes (1987) (26)
Influence of magma composition on the eruptive activity of Mount St. Helens, Washington (1995) (25)
The Soufriere Crater Lake as a calorimeter (1978) (23)
The petrologic estimation of volcanic degassing (1985) (23)
Stratigraphic relations of Santorini’s intracaldera fill and implications for the rate of post-caldera volcanism (2015) (23)
Submarine evidence of a debris avalanche deposit on the eastern slope of Santorini volcano, Greece (2013) (21)
15. GEOCHRONOLOGY AND PETROLOGY OF THE IGNEOUS BASEMENT AT THE LOWER NICARAGUAN RISE, SITE 1001 1 (2000) (20)
GEOCHRONOLOGY AND PETROLOGY OF THE IGNEOUS BASEMENT AT THE LOWER NICARAGUAN RISE , SITE 10011 (2000) (20)
Soufriere Volcano, St. Vincent: Observations of Its 1979 Eruption from the Ground, Aircraft, and Satellites (1982) (20)
Feldspar relations in Icelandic alkalic rhyolites (1971) (19)
U-series disequilibria in Kick'em Jenny submarine volcano lavas: A new view of time-scales of magmatism in convergent margins (2011) (18)
Sulfur and boron isotope study of high-Ca impact glasses from the K/T boundary: Constraints on source rocks (1996) (18)
Geological mapping of the East Pacific Rise axis (10 degrees 19' 11 degrees 53'N) using the ARGO and ANGUS imaging systems (1988) (18)
Gas bursts from cameroon crater lakes: a new natural hazard. (1988) (17)
Geochemistry and origin of Pliocene and Pleistocene ash layers from the Iceland Plateau, Site 907 (1996) (16)
Modified HNO3 seasonality in volcanic layers of a polar ice core: Snow-pack effect or photochemical perturbation? (1993) (16)
Petrogenesis of Central American Tertiary ignimbrites and associated Caribbean Sea tephra (2007) (16)
Dating post-Archean lithospheric mantle: Insights from Re-Os and Lu-Hf isotopic systematics of the Cameroon Volcanic Line peridotites (2020) (16)
Volcanoes in Art (2015) (15)
Garnet-fassaite calc-silicate nodule from La Soufriere, St. Vincent (1980) (15)
The History of Volcanology (2015) (15)
Caribbean Ocean History and the Cretaceous/Tertiary Boundary Event (1995) (14)
Geochemical correlation of Caribbean Sea tephra layers with ignimbrites in Central America (2006) (14)
Characterization of pyroclastic fall and flow deposits from the 1815 eruption of Tambora volcano, indonesia using ground-penetrating radar (2007) (14)
5. LONG-RANGE TRANSPORT OF ICELANDIC TEPHRA TO THE IRMINGER BASIN, SITE 919 1 (1998) (13)
Activity at the Soufrifère Volcano, St Vincent, West Indies, in October-November 1971 (1972) (13)
Are midwater shrimp trapped in the craters of submarine volcanoes by hydrothermal venting (2005) (12)
Global Rates of Volcanism and Volcanic Episodes (2015) (12)
Tephra from the 1979 Soufriere Explosive Eruption (1982) (12)
Feldspar relations in a composite magma (1971) (11)
Geochemical variation along and across the Central American Miocene paleoarc in Honduras and Nicaragua (2007) (11)
THE ENVIRONMENTAL AND GEOMORPHOLOGICAL CONTEXT OF THE VOLCANO (2009) (9)
An Angus/Argo study of the neovolcanic zone along the East Pacific rise from the Clipperton fracture zone to 12°N (1988) (8)
Characterization of volcanic deposits and geoarchaeological studies from the 1815 eruption of Tambora volcano (2006) (8)
Oxidation state of iron in tektite glasses from the Cretaceous/Tertiary boundary (1996) (8)
Tsunami Triggering Mechanisms Associated With the 17th Cent. BC Minoan Eruption of Thera Volcano, Greece (2012) (7)
CARBON CONTENT AND ISOTOPIC COMPOSITION OF K/T IMPACT GLASSES FROM HAITI (1998) (6)
Oxygen Isotope Variation, Mossbauer Spectra or Iron Oxidation and Volatile Content of Tektite Glasses from the Cretaceous-Tertiary Boundary, Haiti (1991) (6)
Interstitial acid glass and chlorophaeite in Iceland basalts (1978) (5)
The Thera eruption and Late Minoan-IB destruction on Crete (1978) (5)
The “Hodder” Phenomenon of 1902: No-active submarine volcano off St. Lucia (Lesser Antilles) (1982) (5)
DEBRIS AVALANCHE FORMATION AT KICK'EM JENNY SUBMARINE VOLCANO (2005) (5)
Pre-eruption pressure, temperature and volatile content of rhyolite magma from the 1650 AD eruption of Kolumbo submarine volcano, Greece (2010) (4)
SURFACE ALTERATION AND PHYSICAL PROPERTIES OF GLASS FROM THE CRETACEOUS-TERTIARY BOUNDARY (1994) (4)
Volcanoes in Literature and Film (2015) (4)
The Encyclopedia of Volcanoes, Second Edition (2015) (3)
Geochemistry of Accretionary Lapilli from a Cretaceous-Tertiary Impact Breccia, Guayal, Mexico (2003) (3)
Some Landmarks in Icelandic Cartography down to the End of the Sixteenth Century (1984) (3)
Part I Origin and Transport of Magma (2015) (3)
Proceedings of the Ocean Drilling Program, 165 Scientific Results (2000) (3)
Stratigraphy and sedimentology of the K/T boundary deposit in Haiti (1993) (3)
Fire in the Sea: The Santorini Volcano: Natural History and the Legend of Atlantis. Walter L. Friedrich , Alexander R. McBirney (2001) (2)
Origin of some icelandic pitchstones (1970) (2)
The intensities and magnitudes of volcanic eruptions (1991) (2)
LONG-RANGE TRANSPORT OF ICELANDIC TEPHRA TO THE IRMINGER BASIN , SITE 9191 (1998) (2)
The Glass-to-Smectite Alteration of Tektites at the Cretaceous/Tertiary Boundary (1991) (2)
Magnetic properties and Moessbauer analyses of glass from the K-T boundary, Beloc, Haiti (1993) (2)
Environmental impact of volcanism (1985) (2)
Not "A Piece of Cake"! (2001) (1)
National report from Iceland. (1993) (1)
Volcanic hazards mitigation: A component of the U.N. International Decade of Natural Disaster Reduction (1988) (1)
Carbon and Oxygen Isotopic Measurements of K/T Boundary Spherules from Haiti (1993) (1)
What happened at Heimaey? (1978) (1)
Sulfate Volatilization, Surface-Water Acidification, and Extinction at the KT Boundary (1994) (1)
Introduction : Geologic studies of the Caribbean Sea (1997) (1)
Kick'em Jenny Submarine Volcano. Cruise report (2003) (0)
Part V Extraterrestrial Volcanism (2015) (0)
Trace Element and Radiogenic Isotope Characteristics and Fission Track Dating of High-Silica and High-Ca Tektite Glasses from the Cretaceous-Tertiary, Boundary at Beloc, Haiti (1991) (0)
Sources of volcanic aerosols: Petrologic and volcanological constraints (1991) (0)
(Table 2) Comparison of radiometric 40Ar/39Ar datings of tephra layers and biostratigraphic ages from ODP Leg 165 sites (2000) (0)
Short Communication Characterization of pyroclastic fall and flow deposits from the 1815 eruption of Tambora volcano, Indonesia using ground-penetrating radar (2007) (0)
Geological report on the St. John landslip, Grenada (2010) (0)
Hydrothermal mineralization at Kick'em Jenny submarine volcano in the Lesser Antilles island arc (2011) (0)
Ballard receives Excellence in Geophysical Education Award (1998) (0)
ABSTRACT: 90 Ma of ocean and climate history: ocean drilling returns to the Caribbean (1995) (0)
Volatile budget of Eyjafjallajokull magmas (2010) (0)
Composition and Sources of Pumices in Leg 85 Cores (1985) (0)
Calcium carbonate contents and carbon and oxygen isotope compositions of bulk carbonate, ODP Leg 165 sediments (1997) (0)
Table 1) Argon ratios and datings of tephra layer biotites from ODP Leg 165 sites (2000) (0)
(Table 3) Argon ratios and datings of tephra layer feldspars from ODP Hole 165-999A (2000) (0)
Spectral Analysis of Surface Features of Subaquaeous Pyroclastic Flow Deposits Around Santorini Volcano, Greece (2006) (0)
Argon ratios, 40Ar/39Ar datings and biostratigraphic ages of ODP Leg 165 sites (2000) (0)
S7 LARGE-SCALE EXPLOSIVE ERUPTIONS (1988) (0)
Eruption ofSoufriere Volco onSt.Vincent Island, 1971-19 Thisstudy ofthelatest activity andreviei historic eruptions suggests atwo-stage volcanic c: (1973) (0)
Sedimentary record of post-Mesozoic global events in the Caribbean Sea : preliminary results of ODP Leg 165 (1997) (0)
Sulfur mass loading of the atmosphere from volcanic eruptions: Calibration of the ice core record on basis of sulfate aerosol deposition in polar regions from the 1982 El Chichon eruption. Semiannual progress report (1990) (0)
Stratigraphy of the Beloc, Haiti, Cretaceous-Tertiary Boundary Sequence (1991) (0)
Modelling of dispersal and deposition of impact glass spherules from the Cretaceous-Tertiary boundary deposit (1993) (0)
Calcium carbonate contents and carbon and oxygen isotope compositions of bulk carbonate from ODP Hole 165-1001A (1997) (0)
Working with JASON in the Galapagos. (1992) (0)

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