14) { $gdate = $gdate2; } if($ghr < 3) { $gdate = "$yester"."12"; } echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; } ?> Global Sulfur Dioxide Monitoring Home Page "; echo ""; } ?>
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Global Sulfur Dioxide Monitoring Home Page


Each week, Smithsonian's Global Volcanism Program publishes a report of new volcanic activity.

The SO2 data collected by AURA/OMI and Suomi NPP/OMPS for the new activity this week are shown below.


Week of 05 - 11 Nov 2025


Central_America - Fuego & Poas: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Central Chile - Planchón-Peteroa: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Colombia - Reventador, Ruiz & Sangay: OMI   NPP-OMPS   TROPOMI   N20-OMPS
DRCongo - Nyamulagira & Nyiragongo: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Halmahera - Dukono: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Hawaii - Kilauea: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Indonesia - Lewotobi: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Italy - Etna: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Java - Semeru: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Mexico - El Chichon & Popocatepetl: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Montserrat, West Indies - Sulfur fire: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Papau New Guinea - Bagana & Langila: OMI   NPP-OMPS   TROPOMI   N20-OMPS
South Sandwich Islands - Michael: OMI   NPP-OMPS   TROPOMI   N20-OMPS
Vanuatu - Aoba, Gaua & Yasur: OMI   NPP-OMPS   TROPOMI   N20-OMPS

Summary of Preliminary Tonnage estimates