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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 22 - 28 Jan 2025

Colombia - Ruiz: 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
Papau New Guinea - Bagana, Langila & Manam: OMI NPP-OMPS TROPOMI N20-OMPS
Peru - Sabancaya: OMI NPP-OMPS TROPOMI N20-OMPS
Philippines - Kanlaon: OMI NPP-OMPS TROPOMI N20-OMPS
South Sandwich Islands - Michael: OMI NPP-OMPS TROPOMI N20-OMPS
Sumatra - Marapi: OMI NPP-OMPS TROPOMI N20-OMPS
Vanuatu - Aoba & Yasur: OMI NPP-OMPS TROPOMI N20-OMPS

Summary of Preliminary Tonnage estimates

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NASA Official: Nickolay A. Krotkov (Nickolay.A.Krotkov AT nasa.gov)
Web Content: Keith D. Evans (UMBC/GESTAR II) (evans AT umbc.edu)
Last Updated: 2025-02-05