Browsing by Subject "Авачинский"

0-650 ГГ. - ЭТАП СИЛЬНЕЙШЕГО ПРИРОДНОГО КАТАСТРОФИЗМА НАШЕЙ ЭРЫ НА КАМЧАТКЕ

Мелекесцев И.В.; Брайцева О.А.; Пономарева В.В.; Базанова Л.И.; Пинегина Т.К.; Дирксен О.В. (2003)

Впервые выделен и описан этап сильнейшего в нашей эре многофакторного природного катастро-физма на Камчатке, датированный 0-650 гг. Его главными компонентами были: последние к настоящему времени катастрофические извержения ...

2001 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of the Alaska Volcano Observatory

McGimsey R.G.; Neal C.A.; Girina O.A. (U.S. Department of the Interior. USGS, 2004)

2001 VOLCANIC ACTIVITY IN ALASKA AND KAMCHATKA: SUMMARY OF EVENTS AND RESPONSE OF THE ALASKA VOLCANO OBSERVATORY

Mcgimsey R.G.; Neal C.A.; Girina O.A. (2004)

A guide to the volcanoes of southern Kamchatka, Russia

Waltham Tony (2001)

The remote sub-arctic wilderness of Kamchatka contains a line of active volcanoes above the Pacific Ocean plate subduction zone. This guide is based on the itinerary of the 1999 GA excursion to sites around Petropavlovsk. ...

THE AGES OF CALDERAS, LARGE EXPLOSIVE CRATERS AND ACTIVE VOLCANOES IN THE KURIL-KAMCHATKA REGION, RUSSIA

Braitseva O.A.; Melekestsev I.V.; Ponomareva V.V.; Sulerzhitskii L.D. (1995)

The ages of most of calderas, large explosive craters and active volcanoes in the Kuril-Kamchatka region have been determined by extensive geological, geomorphological, tephrochronological and isotopic geochronological ...

Along-arc variations in lithospheric mantle compositions in Kamchatka, Russia: First trace element data on mantle xenoliths from the Klyuchevskoy Group volcanoes

Ionov D.A.; Bénard A.; Plechov P.Yu.; Shcherbakov V.D. (2013)

Abstract We provide results of a detailed study of the first peridotite xenoliths of proven mantle origin reported from Bezymyanny volcano in the Klyuchevskoy Group, northern Kamchatka arc. The xenoliths are coarse spinel ...

Asymmetric caldera-related structures in the area of the Avacha group of volcanoes in Kamchatka as revealed by ambient noise tomography and deep seismic sounding

Koulakov Ivan; Jaxybulatov Kayrly; Shapiro Nikolay M.; Abkadyrov Ilyas; Deev Evgeny; Jakovlev Andrey; Kuznetsov Pavel; Gordeev Evgeny; Chebrov Viktor (2014)

Avacha group includes two active and potentially dangerous volcanoes, Avachinsky and Koryaksky, located close to Petropavlovsk-Kamchatsky, the main city of Kamchatka. We present the results of two independent seismic studies ...

ESTIMATION OF THE SULFUR DIOXIDE EMISSION BY KAMCHATKA VOLCANOES USING DIFFERENTIAL OPTICAL ABSORPTION SPECTROSCOPY

Melnikov D.V.; Ushakov S.V.; Galle B. (2014)

During the 2012-2013 we have measured SO2 on Kamchatka volcanoes (Gorely, Mutnovsky, Kizimen, Tolbachik, Karymsky, Avachinsky) using DOAS (differential optical absorption spectroscopy). Mobile-DOAS, on a base of USB2000+, ...

Geochemical characterization of marker tephra layers from major Holocene eruptions, Kamchatka Peninsula, Russia

Kyle Philip R.; Ponomareva Vera V.; Rourke Schluep Rachelle (2011)

Kamchatka Peninsula is one of the most active volcanic regions in the world. Many Holocene explosive eruptions have resulted in widespread dispersal of tephra-fall deposits. The largest layers have been mapped and dated ...

GREAT EXPLOSIVE ERUPTIONS ON KAMCHATKA DURING THE LAST 10,000 YEARS: SELF-SIMILAR IRREGULARITY OF THE OUTPUT OF VOLCANIC PRODUCTS

Gusev A.A.; Ponomareva V.V.; Braitseva O.A.; Melekestsev I.V.; Sulerzhitsky L.D. (2003)

Temporal irregularity of the output of volcanic material is studied for the sequence of large (V ≥ 0.5 km3, N = 29) explosive eruptions on Kamchatka during the last 10,000 years. Informally, volcanic productivity looks ...

Highly silicic glasses in peridotite xenoliths from Avacha volcano, Kamchatka arc; implications for melting and metasomatism within the sub-arc mantle

Ishimaru Satoko; Arai Shoji (2009)

Silicate glasses in peridotite xenoliths from Avacha volcano have high SiO2 (up to 72 wt.) and highly SiO2-oversaturated characteristics; normative quartz content is up to 50 wt.. The glasses represent secondary melts ...

Historical eruptions of Avacha volcano, Kamchatka. Attempt of modern interpretation and classification for long-term prediction of the types and parameters of future eruptions. Part 1 (1737-1909)

Melekestsev I.V.; Braitseva O.A.; Dvigalo V.N.; Bazanova L.I. (1994)

Some of the previous views on the style of the Avacha eruptions during 1737-1909 are revised on the basis of new data obtained by the authors. The types of eruptions, their geological and geomorphological effects, and the ...

Historical eruptions of Avacha volcano, Kamchatka. Attempt of modern interpretation and classification for long-term prediction of the types and parameters of future eruptions. Part 2 (1926-1991)

Melekestsev I.V.; Braitseva O.A.; Dvigalo V.N.; Basanova L.I. (1994)

Previous data are summarized and new evidence is presented on the Avacha eruptions of 1926-1927, 1938, and 1945. The last eruption of January 1991 is described. The dynamics of the Avacha eruptive activity is considered ...

Holocene catastrophic lahars at Avacha and Koryakskiy volcanoes in Kamchatka

Melekestsev I.V.; Sulerzhitskiy L.D.; Bazanova L.I.; Braitseva O.A.; Florenskaya N.I. (1996)

Remnants of five catastrophic lahars have been discovered, described, and dated by the carbon-14 method. They occurred during eruptions of Avacha (violent explosions with voluminous juvenile pyroclastics) and Koryakskiy ...

HOLOCENE KEY-MARKER TEPHRA LAYERS IN KAMCHATKA, RUSSIA

Braitseva O.A.; Ponomareva V.V.; Sulerzhitsky L.D.; Melekestsev I.V.; Bailey J. (1997)

Detailed tephrochronological studies in Kamchatka Peninsula, Russia, permitted documentation of 24 Holocene key-marker tephra layers related to the largest explosive eruptions from 11 volcanic centers. Each layer was traced ...

Holocene Volcanoes in Kamchatka

Unknown author (Institute of Volcanology and Seismology FEB RAS, 2002)

Large holocene eruptions of Avacha Volcano, Kamchatka (7250-3700 14C years B.P.)

Braitseva O.A.; Bazanova L.I.; Melekestsev I.V.; Sulerzhitskiy L.D. (1998)

The chronology, dynamics, and parameters of seven large eruptions of Avacha Volcano were reconstructed for its IAv andesitic period 7250-370014C years B.P., which began after a >2000-year period of relative quiescence. ...

LATE PLEISTOCENE - HOLOCENE VOLCANISM ON THE KAMCHATKA PENINSULA, NORTHWEST PACIFIC REGION

Ponomareva V.V.; Churikova T.; Melekestsev I.V.; Braitseva O.A.; Pevzner M.; Sulerzhitskii L. (2007)

Late Pleistocene-Holocene volcanism in Kamchatka results from the subduction of the Pacific Plate under the peninsula and forms three volcanic belts arranged in en echelon manner from southeast to northwest. The cross-arc ...

Magma storage, ascent and recharge history prior to the 1991 eruption at Avachinsky Volcano, Kamchatka, Russia: Inferences on the plumbing system geometry

Viccaro Marco; Giuffrida Marisa; Nicotra Eugenio; Ozerov Alexey Yu. (2012)

Textural and compositional features of plagioclase phenocrysts of the 1991 eruption lavas at Avachinsky Volcano (Kamchatka, Russia) were used to investigate the feeding system processes. Volcanics are porphyritic basaltic ...

Magmatic plumbing systems of the Koryakskii–Avacha Volcanic Cluster as inferred from observations of local seismicity and from the regime of adjacent thermal springs

Kiryukhin A.V.; Fedotov S.A.; Kiryukhin P.A.; Chernykh E.V. (2017)

An analysis of local seismicity within the Avacha–Koryakskii Volcanic Cluster during the 2000–2016 period revealed a sequence of plane-oriented earthquake clusters that we interpret as a process of dike and sill emplacement. ...

Browsing by Subject "Авачинский"

Browsing by Subject "Авачинский"

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