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Volcanoes of the World (VOTW) - Concepcion (344120) Citation
When the new website was launched in May 2013 following three years of database conversion and restructuring, this catalog of Holocene volcanoes and eruptions was renamed "Volcanoes of the World" with an initial version of 4.0, in recognition of the three previous editions of the book published by Smithsonian scientists (in 1981, 1994, and 2010) with the same title.

Citations (example for today)


General Database Citation:
Global Volcanism Program, 2013. Volcanoes of the World, v. 4.10.1 (29 Jun 2021). Venzke, E (ed.). Smithsonian Institution. Downloaded 24 Jul 2021. https://doi.org/10.5479/si.GVP.VOTW4-2013​.
Specific Volcano Profile Citation:
Global Volcanism Program, 2013. Concepcion (344120) in Volcanoes of the World, v. 4.10.1 (29 Jun 2021). Venzke, E (ed.). Smithsonian Institution. Downloaded 24 Jul 2021 (https://volcano.si.edu/volcano.cfm?vn=344120). https://doi.org/10.5479/si.GVP.VOTW4-2013

Update Criteria


Only a major change to the database structure will trigger a change to the top version number. Second-level updates will be incremented following the completion of updates to a calendar year of current eruptions. The 4.0 version had eruptions updated through 2010, so 4.4.0 was complete (to the best of our knowledge) through 2014. Minor third-level updates will be done for all other reasons, including general updates from work with the professional literature, current eruptions based on Weekly or Bulletin reports, and minor database schema changes.
Improvements to the functionality, content, or appearance of the website are not logged as part of the database versions. Previous versions are not available, so any use of content from the website should include the database version number and download date as shown above.

Update Log



VersionDateNotes
4.10.129 June 2021General updates to volcano data. Current eruptions updated through 24 June 2021.
4.10.014 May 2021Completed review of 2020 eruptions. Current eruptions updated through 6 May 2021. General updates to volcano data. As of this update we list 1,406 volcanoes thought to have erupted or been otherwise volcanically active during the Holocene, and 1,246 on the Pleistocene list; confirmed eruptions total 9,926.
4.9.417 March 2021General updates to volcano data. Current eruptions updated through 12 March 2021.
4.9.31 February 2021General updates to volcano data. Current eruptions updated through 28 January 2021.
4.9.215 December 2020General updates to volcano data. Current eruptions updated through 10 December 2020.
4.9.117 September 2020General updates to volcano data. Current eruptions updated through 17 September 2020.
4.9.04 June 2020Completed review of 2019 eruptions. Current eruptions updated through 4 June 2020. General updates to volcano data. As of this update we list 1,422 volcanoes thought to have erupted or been otherwise volcanically active during the Holocene, and 1,242 on the Pleistocene list; confirmed eruptions total 9,903.
4.8.817 April 2020General updates to volcano data. Current eruptions updated through 17 April 2020.
4.8.712 March 2020General updates to volcano data.
4.8.620 February 2020General updates to volcano data. Current eruptions updated through 20 February 2020.
4.8.530 December 2019General updates to volcano data. Current eruptions updated through 30 December 2019. Updated captions for 850 volcano photo gallery images.
4.8.41 November 2019General updates to volcano data, including the addition of three Icelandic volcanoes to the Holocene list split off from larger systems. Current eruptions updated through 1 November 2019.
4.8.318 September 2019General updates to volcano data. Current eruptions updated through 13 September 2019.
4.8.26 August 2019General updates to volcano data, including removing three volcanoes from the Holocene list. Minor code fix to the Holocene Volcano List page to correct a counting error recently introduced. As of this update we list 1,426 volcanoes thought to have erupted or been otherwise volcanically active during the Holocene.
4.8.111 July 2019Current eruptions updated through 11 July 2019.
4.8.017 May 2019Completed review of 2018 eruptions. Current eruptions updated through 17 May 2019. General updates to volcano data. As of this update we list 1,430 volcanoes thought to have erupted or been otherwise volcanically active during the Holocene, and 1,241 on the Pleistocene list; confirmed eruptions total 9,885.
4.7.712 Apr 2019Current eruptions updated through 12 April 2019. General updates to volcano data.
4.7.615 Feb 2019Current eruptions updated through 15 February 2019. General updates to volcano data.
4.7.521 Dec 2018Current eruptions updated through 20 December 2018. General updates to volcano data.
4.7.428 Sep 2018Current eruptions updated through 27 September 2018. General updates to volcano data.
4.7.324 Aug 2018Current eruptions updated through 22 August 2018. General updates to volcano data.
4.7.207 Aug 2018Added a new information tab on volcano profile pages for GVP map holdings, and made over 3,000 scanned maps available for viewing. Added an FAQ and profile page text noting what Holocene volcanoes are located within UNESCO properties. Minor updates to volcano data. Current eruptions not updated.
4.7.113 Jul 2018Current eruptions updated through 13 Jul 2018. General updates to volcano data. Since the last update there have been some frequently asked questions posted, including some that provide summary data about the number of reccent and ongoing eruptions.
4.7.001 Jun 2018Completed review of 2017 eruptions. Current eruptions updated through 24 May 2018. General updates to volcano data. As of this update we list 1,436 volcanoes thought to have erupted or been otherwise volcanically active during the Holocene, and 1,237 on the Pleistocene list; confirmed eruptions total 9,843.
4.6.720 Mar 2018Current eruptions updated through 16 March 2018. General updates to volcano data.
4.6.613 Feb 2018General updates to volcano data. Many updates to the Pleistocene volcano list, which is now available to download as a spreadsheet; they are also now included in the KML placemark file.
4.6.519 Jan 2018Current eruptions updated through 19 January 2018. General updates to volcano data.
4.6.429 Dec 2017Current eruptions updated through 29 December 2017. General updates to volcano data; four volcanoes moved from Holocene to Pleistocene list.
4.6.317 Nov 2017Current eruptions updated through 31 October 2017. General updates to volcano data.
4.6.228 Sep 2017General updates to volcano data.
4.6.17 Aug 2017Current eruptions updated through 30 July 2017. General updates to volcano data, lists, and eruption histories. Volcanoes with known Pleistocene eruptions and current unrest (usually geothermal activity), but no Holocene eruptions, have been removed from the list of Holocene volcanoes. Information about those volcanoes is still available because of the website expansion to show Pleistocene volcanoes in 2016 (see v. 4.4.2 update). The Holocene list is now restricted to those volcanoes thought to have actually erupted in that time period.
4.6.015 Jun 2017Completed review of 2016 eruptions. Current eruptions updated through 31 May 2017. General updates to volcano data, lists, and eruption histories. Completed audit of missing elevation data for Holocene volcanoes. As of this update we list 1,495 volcanoes thought to have erupted or been otherwise volcanically active during the Holocene, and 1,179 on the Pleistocene list.
4.5.68 May 2017Current eruptions updated through at least 1 March. Deformation Activity data revised, with images and references added. General updates to volcano lists and eruptions.
4.5.531 Mar 2017Added Deformation Activity data, available through a database search and on 198 volcano profiles.
4.5.415 Feb 2017Added Emission Activity data, available through a database search and on 118 volcano profiles. Updated Smithsonian Samples data, including new fields.
4.5.316 Dec 2016Current eruptions updated through 14 December 2016. General updates.
4.5.29 Nov 2016General updates.
4.5.127 Sep 2016Current eruptions updated through 23 September 2016.
Many corrections to volcanic feature locations. More than 2/3 of the geologic summary remarks have now been reviewed and edited in the past 3 years. Removed 19 volcanoes from the Holocene list and added 8 to the Pleistocene list since the June update.
4.5.014 Jun 2016Completed review of 2015 eruptions. Current eruptions updated through 31 May 2016.
General updates. Corrections to Pleistocene list. All recent eruptions have a VEI assigned. As of this update we list 1,532 volcanoes thought to have erupted or been otherwise volcanically active during the Holocene, and 1,158 on the Pleistocene list.
4.4.33 Mar 2016Current eruptions updated through 1 March 2016.
General updates. Corrections to Pleistocene list and feature locations.
4.4.219 Feb 2016Current eruptions updated through 15 January.
General updates. Added list of Pleistocene volcanoes to the website. Audited and corrected subfeature locations; website updated to include features in individual volcano Google Earth placemarks. Added volcano-specific citation format and link.
4.4.116 Sep 2015Current eruptions updated through 26 August.
General updates. Added data table with sample information from the Smithsonian collections, which is listed on volcano profile pages.
4.4.09 Jul 2015Completed review of 2014 eruptions. Current eruptions updated through 30 June.
General updates with a focus on reviewing inclusion of volcanoes with uncertain evidence and timing of last eruption when it is undated. Changed Holocene Evidence categories to merge Uncertain Evidence and Uncertain Observations into Evidence Uncertain; renamed Evidence Undated to Evidence Credible. As of this update we list 1,540 volcanoes thought to have erupted or been otherwise volcanically active during the Holocene.
4.3.49 April 2015Current eruptions updated through 7 April. General updates. Restricted the term Somma to a feature type rather than a general volcano type.
4.3.315 December 2014Current eruptions updated through 2 December. General updates. Fixed coordinates for map search. Now displaying the "Unknown Source" volcano as a holder for eruptions not assigned to a specific volcano.
4.3.214 November 2014Current eruptions updated through 11 November. General updates.
4.3.130 September 2014Current eruptions updated through late September.
General updates. All Bulletin reports are now being served from the database. Condensed the volcano type and features types of "Cinder Cone," "Scoria Cone," and "Pumice Cone" into "Pyroclstic Cone." Changed all "Volcanic neck" and "Volcanic plug" to "Volcanic remnant."
4.3.03 July 2014Completed review of 2013 eruptions. Current eruptions updated through June 2014.
The Holocene volcano list now includes those with known Pleistocene eruptions but exhibiting current volcanic unrest; note that the website prior to 2013 included these as well, listed as "Pleistocene with thermal activity." Renamed the categories used to show the evidence (previously called the "Status") for inclusion in the Holocene list: Eruption Observed, Eruption Dated, Undated Evidence, Unrest / Holocene, Uncertain Evidence, Uncertain Observation, and Unrest / Pleistocene. Audited the "Uncertain Observation" category (48 entries), resulting in the removal of 20 entries and changing another 14 to a different category. Audited "Unrest / Pleistocene" category (42 entries). Reviewed all Greater Caucasus volcanoes. Reviewed volcanoes with volcano type of "Hydrothermal field" (15) and reclassified; removed HTF as a morphology type. With those changes, as of this update we list 1,559 volcanoes thought to have erupted or been otherwise volcanically active during the Holocene.
4.2.512 May 2014Changed Tectonic Settings descriptions.
4.2.424 April 2014Audited and corrected eruption dates of +/- 1000 years. Merged South Sister and North Sister to make Three Sisters. Merged Lomonosov Group into Chikurachki.
4.2.314 February 2014Completed updates based on VAAC requests. Japanese volcano name changes. Argentina review.
4.2.2December 2013Variety of general updates. Current eruptions through October 2013.
4.2.130 September 2013Eruptions updated through July 2013 based on available Weekly and Bulletin reports.
4.2.030 September 2013Completed adding 2012 eruptions.
4.1.030 September 2013Completed adding 2011 eruptions.
4.020 May 2013Completed conversion to SQL Server from the Volcano Reference File (VRF) database in Paradox as used in the Volcanoes of the World (3rd ed) book. Eruption data complete through 2010.
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