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Smithsonian / USGS Weekly Volcanic Activity Report
The Weekly Volcanic Activity Report is a cooperative project between the Smithsonian's Global Volcanism Program and the US Geological Survey's Volcano Hazards Program. Updated by 2300 UTC every Wednesday and averaging 16 reported volcanoes, this is not a comprehensive list of all eruptions this week, but rather a summary of activity that meet criteria discussed in the "Criteria and Disclaimers" section below.
Volcanic activity reported here is preliminary and subject to change. Carefully reviewed, detailed narratives over longer time periods are published as reports of the Bulletin of the Global Volcanism Network available through volcano profile pages.
Smithsonian / USGS Weekly Volcanic Activity Report for the week of 15 September-21 September 2021
NameLocationEruption Start DateReport Status
La PalmaSpainNew
SemisopochnoiAleutian Islands (USA)2021 Feb 2 ± 2 daysNew
AgungBali (Indonesia)Continuing
AiraKyushu (Japan)2017 Mar 25Continuing
ChirinkotanKuril Islands (Russia)2021 Aug 8Continuing
EbekoParamushir Island (Russia)2016 Oct 20Continuing
EtnaSicily (Italy)2013 Sep 3Continuing
Great SitkinAndreanof Islands (USA)2021 May 25Continuing
KarymskyEastern Kamchatka (Russia)2020 Apr 1Continuing
KatmaiUnited StatesContinuing
Krysuvik-TrolladyngjaIceland2021 Mar 19Continuing
MerapiCentral Java (Indonesia)2020 Dec 31Continuing
PavlofUnited States2021 Aug 5Continuing
PopocatepetlMexico2005 Jan 9Continuing
SheveluchCentral Kamchatka (Russia)1999 Aug 15Continuing
Soufriere St. VincentSt. VincentContinuing
SuwanosejimaRyukyu Islands (Japan)2004 Oct 23Continuing
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Acronyms & Abbreviations
 Acronyms and Abbreviations

a.s.l. - above sea level
AVO - Alaska Volcano Observatory
AVHRR - Advanced Very High Resolution Radiometer
CENAPRED - Centro Nacionale de Prevencion de Desastres (México)
CONRED - Coordinadora Nacional para la Reducción de Desastres
COSPEC - Correlation Spectrometer
CVGHM (formerly VSI) - Center of Volcanology and Geological Hazard Mitigation
CVO - Cascades Volcano Observatory (USGS)
GMS - Geostationary Meteorological Satellite
GOES - Geostationary Operational Environmental Satellite
GVO - Goma Volcano Observatory
GVP - Global Volcanism Program (​Smithsonian Institution​)
HVO - Hawaiian Volcano Observatory (USGS)
ICE - Instituto Costarricense de Electricidad (Costa Rica)
IG - Instituto Geofísico (Ecuador)
IGNS - Institute of Geological and Nuclear Sciences (New Zealand) - now GNS Science
INETER - Instituto Nicaragüense de Estudios Territoriales (Nicaragua)
INGEMMET - Instituto Geológical Minero y Metalúrgico (Peru)
INGEOMINAS - Instituto Colombiano de Geología y Minería (Colombia)
INGV-CT - Istituto Nazionale di Geofisica e Vulcanologia - Sezione di Catania (Italy)
INSIVUMEH - Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia (Guatemala)
IRD - Institut de Recherche pour le Développement (France)
JMA - Japanese Meteorological Agency
KEMSD - Kamchatkan Experimental and Methodical Seismilogical Department
KVERT - Kamchatkan Volcanic Eruption Response Team
M - magnitude
METEOSAT - Meteorological Satellite
MEVO - Mount Erebus Volcano Observatory
MODIS - Moderate Resolution Imaging Spectroradiometer
MVO - Montserrat Volcano Observatory
MWO - Meteorological Watch Office
NEIC - National Earthquake Information Center
NIED - National Research Institute for Earth Science and Disaster Prevention (Japan)
NOAA - National Oceanic and Atmospheric Administration
NOTAM - Notice to Airmen
OVDAS - Observatorio Volcanologico de los Andes del Sur (Chile)
OFDA - Office of US Foreign Disaster Assistance
ONEMI - Oficina Nacional de Emergencia - Ministerio del Interior (Chile)
OVPDLF - Observatoire Volcanologique du Piton de la Fournaise (France)
OVSICORI-UNA - Observatorio Vulcanologico y Sismologico de Costa Rica, Universidad Nacional (Costa Rica)
PHIVOLCS - Philippine Institute of Volcanology and Seismology (Philippines)
RSAM - Real-time Seismic Amplitude Measurement
RVO - Rabaul Volcano Observatory
SERNAGEOMIN - Servicio Nacional de Geologia y Mineria (Chile)
SIGMET - Significant Meteorological Information
SNET - Servicio Nacional de Estudios Territoriales (El Salvador)
SVERT - Sakhalin Volcanic Eruption Response Team (Russia)
USAID - US Agency for International Development
USGS - United States Geological Survey
UTC - Coordinated Universal Time
VAAC - Volcanic Ash Advisory Center
VAFTAD - Volcanic Ash Forecast Transport And Dispersion
VDAP - Volcano Disaster Assistance Program (USGS)
VHP - Volcano Hazards Program (USGS)
VRC - Volcano Research Center (Japan)
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