Marianne Guffanti, John W. Ewert, Gregory M. Gallina, G. J. Bluth, Grace Swanson,
... the Commonwealth of the Northern Mariana Islands (CNMI), Anatahan is one of nine active subaerial volcanoes that ... volcanic ash. The 2003–2004 eruptive activity of Anatahan volcano affected the region's aviation operations for ... real-time) monitoring of ash clouds produced by Anatahan has been conducted since the first day of ... detect and report on the unexpected eruption of Anatahan. After being contacted about an unusual cloud by ... 2003, the VAAC analyzed GOES 9 images, confirming Anatahan as the likely source of an ash cloud ...
Tópico(s): Atmospheric aerosols and clouds
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
J. A. Wade, Terry Plank, Robert J. Stern, D. L. Tollstrup, James B. Gill, Julie C. O'Leary, John M. Eiler, Richard B. Moore, Jon Woodhead, Frank A. Trusdell, Tobias P. Fischer, D. R. Hilton,
The first historical eruption of Anatahan volcano began on May 10, 2003. Samples of tephra from early in the eruption were analyzed for major and trace elements, ... are nearly identical to other prehistoric eruptives from Anatahan. Nonetheless, Anatahan has erupted a wide range of compositions in ... large proportion of lavas with silicic compositions at Anatahan (> 59 wt.% SiO2) is unique within the active ... by crystal fractionation of similar parental magmas. Thus, Anatahan is a type example of an island-arc ...
Tópico(s): Geology and Paleoclimatology Research
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
Mark K. Reagan, Frank J. III Tepley, James B. Gill, Matthew Wortel, B. Hartman,
... an andesite from an oceanic arc. The juvenile Anatahan andesite has U–Th systematics colinear with other ... Uracas. Like Uracas, the parental basalt for the Anatahan andesite was generated by relatively low degrees of ... sediment component from the subducting slab. However, the Anatahan andesite is much more strongly enriched in 226Ra ... lived disequilibria between 238U–230Th–226Ra in the Anatahan andesite are inherited from basalt genesis, not created ... the parental basalt and eruption of andesite at Anatahan is shorter than for Uracas. Moreover, the near- ...
Tópico(s): earthquake and tectonic studies
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
M. Sako, Frank A. Trusdell, Robert Y. Koyanagi, George Kojima, R.B. Moore,
... Intermittent seismic activity continues to occur in the Anatahan-Sarigan, Guguan-Alamagan-Pagan, and PaganAgrihan-Asuncion areas. ... monitor lines were measured on Agrihan, Pagan, and Anatahan. The majority of line-length changes on Agrihan ... for all measurements made during April-May 1994). Anatahan also showed changes as large as -50 mm, ... of hot spring waters on Agrihan, Pagan, and Anatahan and fumaroles on Agrihan and Anatahan were measured. The temperature data indicated no significant ... eruption is likely soon on Agrihan and Alamagan. Anatahan's deformation pattern continues to behave in an ...
Tópico(s): earthquake and tectonic studies
1995 - United States Department of the Interior | Antarctica A Keystone in a Changing World
Brendan McCormick Kilbride, C. Popp, B. J. Andrews, Elizabeth Cottrell,
... multiyear observations of volcanic activity in remote settings. Anatahan (Mariana Islands) is a remote volcano in the ... of sulphur dioxide (SO 2 ) gas emissions at Anatahan place it among thelargest volcanic SO 2 sources ... based measurements, however, are restricted to eruptive intervals. Anatahan's activity since 2003 has been dominated temporally ... within and between eruptive and quiescent intervals at Anatahan. We find close correspondence between levels of activity ... 300 t d −1 . We show that while Anatahan occupies a quiescent state for 85% of the ...
Tópico(s): Isotope Analysis in Ecology
2015 - Wiley | Journal of Geophysical Research Atmospheres
Robert P. Dziak, M. Park, H. Matsumoto, Sang-Kyung Byun,
Abstract Anatahan Volcano in the Commonwealth of the Northern Mariana Islands (CNMI) erupted for the first time in recorded ... show that the seismic to acoustic conversion at Anatahan is particularly efficient, aided by the upward slope ... accompanied by earthquake activity from deep within the Anatahan volcanic edifice. A numerical representation of the Anatahan volcano-seismic source was developed to examine the ... seismo-acoustic wavefield on the flank of the Anatahan volcanic edifice (on the seafloor and in the ...
Tópico(s): Underwater Acoustics Research
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
W. W. Chadwick, R. W. Embley, Paul Johnson, S. G. Merle, S. Ristau, Andra M. Bobbitt,
The submarine flanks of Anatahan volcano were surveyed comprehensively for the first time in 2003 and 2004 with multibeam and sidescan sonar systems. A geologic ... flows, cones, and bedrock outcrops. The island of Anatahan is only 1% of the volume of the ... and an average diameter of ∼35 km. NE Anatahan is a prominent satellite volcano located 10 km ... the island, but it is only 6% of Anatahan's volume (40 km3 vs. 620 km3). Seventy- ... of major landslides on the submarine flanks of Anatahan volcano, in contrast to many basaltic islands and ...
Tópico(s): Geological and Geophysical Studies
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
Scott K. Rowland, John P. Lockwood, Frank A. Trusdell, Richard B. Moore, Maurice K. Sako, Robert Y. Koyanagi, George Kojima,
Anatahan island is 9.5 km east–west by 3.5 km north–south and truncated by ... flows. The youngest pre-2003 volcanic unit on Anatahan (stage 3) is a hydromagmatic surge and fall ... activity in the pit crater prompted evacuation of Anatahan village, at the west end of the island. ... and it recorded a small seismic swarm at Anatahan from May to July 1993. The telemetry component ...
Tópico(s): earthquake and tectonic studies
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
Frank A. Trusdell, Richard B. Moore, Maurice K. Sako,
... Quaternary limestone. The nine northern islands extend from Anatahan to Farallon de Pajaros and form part of ... arc. The active inner arc extends south from Anatahan, where volcanoes, some of which are active, form ... the East Mariana Ridge in the vicinity of Anatahan and Sarigan and north and south of Farallon ... de Pajaros, Asuncion, Agrigan, Mount Pagan, Guguan, and Anatahan) in the northern islands have erupted during the ...
Tópico(s): Geological and Geophysical Studies
2006 - United States Department of the Interior | Antarctica A Keystone in a Changing World
Robert Wright, Simon Carn, Luke Flynn,
The first recorded eruption of Anatahan began at approximately 17:00 local time on May 10, 2003. Here, we present observations made by a suite of Earth- ... monitoring system 'MODVOLC' detected the eruption and confirmed Anatahan's eastern caldera as the center of the ... to document ash and sulphur dioxide emissions from Anatahan covering the period May 10–June 13, 2003. ...
Tópico(s): Calibration and Measurement Techniques
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
D. R. Hilton, Tobias P. Fischer, A. J. S. McGonigle, J. Maarten de Moor,
... new spectroscopic‐derived SO 2 emission rates for Anatahan volcano, Mariana Islands. Measurements of SO 2 fluxes ... and 2004 respectively. Even the lowest values make Anatahan a major global source of SO 2 over ...
Tópico(s): Atmospheric and Environmental Gas Dynamics
2007 - American Geophysical Union | Geophysical Research Letters
J. Maarten de Moor, Tobias P. Fischer, D. R. Hilton, E. H. Hauri, L. A. Jaffe, J. T. Camacho,
On 10 May 2003, Anatahan volcano (located at 16°21′ N 145°40′ E on the Mariana arc) entered its first historical eruptive episode, sending ... 25% of the SO2 (∼60 kt) erupted from Anatahan between 10 and 21 May was removed from ...
Tópico(s): High-pressure geophysics and materials
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
Tsuyoshi Watanabe, Takao Tabei, Takeshi Matsushima, Teruyuki Kato, Setsuya Nakada, Mitsuhiro Yoshimoto, R. Chong, J. T. Camacho,
Anatahan Island is located at the southern end of the Mariana volcanic chain. On May 10, 2003, ... sources were located beneath the western part of Anatahan Island and not below the active crater.
Tópico(s): Geology and Paleoclimatology Research
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
Fei Wu, Yuhan Qi, M. R. Perfit, Yongjun Gao, C. H. Langmuir, V. D. Wanless, Huimin Yu, Fang Huang,
... of the isotope shift observed in lavas from Anatahan Island (Northern Mariana Arc) and Hekla Volcano (Iceland), ... Δ51Vmineral-melt between 9°N OSC lavas and Anatahan/Hekla suites. More studies are necessary for better ...
Tópico(s): Geochemistry and Elemental Analysis
2018 - Elsevier BV | Earth and Planetary Science Letters
Helen M. Williams, Julie Prytulak, Jon Woodhead, K. A. Kelley, Maryjo Brounce, Terry Plank,
... using a sample suite from the island of Anatahan. Anatahan whole rock Fe isotope compositions (δ57Fe) range from − ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
2018 - Elsevier BV | Geochimica et Cosmochimica Acta
Julie Prytulak, A. Brett, Michael Webb, Terry Plank, Mark Rehkämper, Paul S. Savage, Jon Woodhead,
... large range of differentiation, from Hekla, Iceland, and Anatahan, in the Mariana arc, are used to assess ... overlap with mantle estimates. Lavas from subduction-related Anatahan volcano also have a restricted range in Tl ...
Tópico(s): Radioactive element chemistry and processing
2016 - Elsevier BV | Chemical Geology
I.‐I. Lin, Chuanmin Hu, Yuan-Hui Li, Tung‐Yuan Ho, Tobias P. Fischer, George T.F. Wong, Jingfeng Wu, Chih-Wei L. Huang, D. A. Chu, Dong S. Ko, Jen‐Ping Chen,
... elevated concentrations of limiting nutrients provided by the Anatahan samples, and the averaged soluble nitrate, phosphate, and ... of the ocean biogeochemical responses that followed the Anatahan eruption, this study provided evidence based on remote ...
Tópico(s): Atmospheric and Environmental Gas Dynamics
2011 - Wiley | Global Biogeochemical Cycles
J. Maarten de Moor, Tobias P. Fischer, Z. D. Sharp, E. H. Hauri, D. R. Hilton, Viorel Atudorei,
... on ash from the first historical eruption of Anatahan volcano (Mariana arc) are presented in order to ...
Tópico(s): Groundwater and Isotope Geochemistry
2010 - Elsevier BV | Geochimica et Cosmochimica Acta
S. W. Parman, T. L. Grove, K. A. Kelley, Terry Plank,
... Lavas from the remaining islands (Guguan, Agrigan, Uracas, Anatahan and possibly Sarigan) have significantly higher H2O (5– ... melt inclusions from seven islands (Guguan, Pagan, Agrigan, Anatahan, Alamagan, Asuncion and Sarigan) and one seamount (Fukujin) ...
Tópico(s): earthquake and tectonic studies
2010 - Oxford University Press | Journal of Petrology
Setsuya Nakada, Takeshi Matsushima, Mitsuhiro Yoshimoto, T Sugimoto, Teruyuki Kato, Tsuyoshi Watanabe, Ramon Chong, J. T. Camacho,
Anatahan Volcano, Northern Mariana Islands, began erupting in May–June 2003. A series of subplinian explosive eruptions ...
Tópico(s): High-pressure geophysics and materials
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
Douglas A. Wiens, S. Pozgay, P. Shore, Allan W. Sauter, Randall White,
... that coincides with the first historical eruption of Anatahan volcano on May 10, 2003. The tilt was ...
Tópico(s): Geophysics and Sensor Technology
2005 - American Geophysical Union | Geophysical Research Letters
D. R. Hilton, John S. Pallister, Rudolfo M. Pua,
... August typhoons. The largest-ever eruption of the Anatahan Volcano north of Guam (eruptions 2003–2008) appeared ...
Tópico(s): Oceanographic and Atmospheric Processes
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
Frank A. Trusdell, Richard B. Moore, Maurice K. Sako, Randall White, S. Koyanagi, Ramon Chong, J. T. Camacho,
The first historical eruption on Anatahan Island occurred on 10 May 2003 from the east crater of the volcano. The eruption was preceded by several hours of ...
Tópico(s): Pacific and Southeast Asian Studies
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
John S. Pallister, Frank A. Trusdell, Isabelle K. Brownfield, D. F. Siems, James R. Budahn, Steven F. Sutley,
... analysis) to establish that the 2003 eruption of Anatahan volcano was mainly phreatomagmatic, dominated by explosive interaction ...
Tópico(s): Geology and Paleoclimatology Research
2005 - Elsevier BV | Journal of Volcanology and Geothermal Research
David Worthington, Ann P. Marshall, Gary J. Wiles, C. C. Kessler,
... Pteropus mariannus and feral ungulates was conducted on Anatahan, Mariana Islands, in July 1995. We estimated that ... the fruit of Pandanus tectorius eaten most frequently. Anatahan supports a very large Feral Goat Capra hircus ...
Tópico(s): Human-Animal Interaction Studies
2001 - CSIRO Publishing | Pacific Conservation Biology
Stephen R. Goldberg, Charles R. Bursey, Fred Kraus,
... were surveyed for helminths. Samples from Agrigan, Almagen, Anatahan, Asuncion, Pagan, Rota, Saipan, Sarigan and Tinian were ... No helminths were found in E. caeruleocauda from Anatahan, Asuncion, Pagan and Tinian Islands.
Tópico(s): Human-Animal Interaction Studies
2011 - Taylor & Francis | Journal of Natural History
Douglas A. Wiens, P. Shore, Allan W. Sauter, D. R. Hilton, Tobias P. Fischer, J. T. Camacho,
Anatahan volcano erupted for the first time in recorded history at about 7:30 GMT on 10 May 2003, covering the island of Anatahan, in the Commonwealth of the Northern Mariana Islands ( ...
Tópico(s): Methane Hydrates and Related Phenomena
2004 - Wiley | Eos
Richard B. Moore, Robert Y. Koyanagi, M. Sako, Frank A. Trusdell, George Kojima, R. L. Ellorda, S. K. Zane,
... Mariana Islands (CNMI). A shallow earthquake swarm on Anatahan in March-April 1990 and reports of possible ... more detail. The previously installed seismic stations on Anatahan, Alamagan, and South Pagan were upgraded. A new ... of Pagan Island. Portable seismometers were operated on Anatahan, Alamagan, Pagan, and Agrigan. The seismometers on Anatahan, Alamagan, and Agrigan recorded no local shallow earthquake ... lines were remeasured on Agrigan, Mount Pagan, and Anatahan. Line length changes were generally insignificant, in accord ...
Tópico(s): Geology and Paleoclimatology Research
1991 - United States Department of the Interior | Antarctica A Keystone in a Changing World
Xin Ding, Rosalind T. Helz, Yuhan Qi, Fang Huang,
... that reported for Hekla basalts from Iceland and Anatahan lavas from Mariana (−0.5‰ to −0.4‰; ...
Tópico(s): earthquake and tectonic studies
2020 - Elsevier BV | Geochimica et Cosmochimica Acta
Robert J. Stern, Yoshi Tamura, Osamu Ishizuka, Hiroshi Shukano, Sherman H. Bloomer, R. W. Embley, Matthew I. Leybourne, Hiroshi Kawabata, A. Nunokawa, Alexander R.L. Nichols, E. J. Kohut, Ignacio Pujana,
... segment characterized by felsic eruptions. This is the ‘Anatahan Felsic Province’, which may have formed above a ...
Tópico(s): earthquake and tectonic studies
2013 - Geological Society of London | Geological Society London Special Publications