>ActiveVolcanoesKamKur Volcano name, location, and the year of the last major eruptive event
Robbins, S.D., 2010, Active Volcanoes of Kamchatka and the Kurile Islands: Miscellaneous Report MP 137, State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys, Fairbanks, AK.
This is a Point data set.
Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.001. Longitudes are given to the nearest 0.001. Latitude and longitude values are specified in Decimal degrees.
The horizontal datum used is World Geodetic System of 1984.
The ellipsoid used is World Geodetic System of 1984.
The semi-major axis of the ellipsoid used is 6378137.
The flattening of the ellipsoid used is 1/298.2572223563.
The volcano names chosen reflect the most likely English usage in communications from KVERT and SVERT.
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Year or age of last major eruptive event. For the purposes of this dataset a major eruptive event is the last definitive eruption, as reported in the catalogs of active volcanoes provided by KVERT, C. Neal, and the Smithsonian Global Volcanism Project.
The idea for this data set is based on the publication: Schaefer, J. R., Cameron, C. E., and Nye, C. J., 2009, Historically Active Volcanoes of Alaska, Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication 133, following the suggestion of T. Neal, of the Alaska Volcano Observatory.
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The purpose of this dataset is to document the location and most recent eruptive events of the active volcanoes of Kamchatka and the Kurile Islands.
Girina, O.A., and Kamchatka Volcanic Eruption Response Team (KVERT) staff, 20100315, Catalog of Active Volcanoes, Kamchatka Volcanic Eruption Response Team (KVERT) website.
Chivisova, M., and Sakhalin Volcanic Eruption Response Team (SVERT) staff, 201002, Catalog of Kurile Volcanoes.
Neal, C.A., 2010, Active Volcanoes of the Kurile Islands.
Smithsonian National Museum of Natural History staff, 201004, Volcano locations.
Data sources used in this process:
This data is considered to be a comprehensive and thorough compilation of all available data. See process steps for a detailed discussion of the steps taken to ensure attribute accuracy.
The horizontal positions are reported to as many decimal degrees (at least 2, and up to 3) as the author feels the location can be confidently known. Longitude and latitudes were compiled from existing published resources and plotted using a GIS to visually verify accuracy. Locations were plotted with GIS on the USGS GTOPO30 digital elevation model to visually verify accuracy with topographic features. Location data provided by KVERT and SVERT were provided in degree-minute format. Although the data are given to the nearest minute, inspection of the data suggests that the coordinates are generally accurate to the closest 1/6 degree. Maps from KVERT and AVO were georeferenced and digitally rendered as transparent overlays as a second process to verify accuracy of locations. Where published locations of volcanic features appeared inaccurate, locations were validated by comparing maps and coordinates from multiple sources. Data from the Smithsonian Volcanism Project was generally selected as the most accurate source, and used for all volcanoes where an exact match existed to the KVERT and SVERT tables. The Smithsonian data are generally given to the nearest hundredth or thousandth of a decimal degree.
This data lists active volcanoes of Kamchatka and the Kurile Islands, their location in latitude/longitude decimal degrees, and the year of the last eruptive event. The 65 volcanoes listed meet at least one of the following criteria: 1) A historically documented eruption, or 2) a state of fumarolic activity, but without a historically documented eruption, or 3) potentially active volcanoes which have erupted in the past 3500 years (from dating of the last eruption). It is assumed that the definition of "active volcano" in data from SVERT parallels the definition from KVERT.
Location points were visually examined to ensure correct placement relative to the base layer.
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