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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 20 - 26 Sep 2023

Alaska - Shishaldin: OMI OMPS TROPOMI
Colombia - Ruiz & Ecuador - Cotopaxi & Sangay: OMI OMPS TROPOMI
Halmahera - Dukono & Karangetang: OMI OMPS TROPOMI
Japan - Nishinoshima & Sakurajima: OMI OMPS TROPOMI
Java - Raung & Semeru: OMI OMPS TROPOMI
Mexico - Popocatepetl: OMI OMPS TROPOMI
Papau, New Guinea - Ulawun: OMI OMPS TROPOMI
Peru - Sabancaya: OMI OMPS TROPOMI
Philippines - Mayon & Taal: OMI OMPS TROPOMI
Vanuatu - Aoba & Yasur : OMI OMPS TROPOMI

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: 2023-01-02