9html> 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 ""; } ?>
NASA Logo, National Aeronautics and Space Administration

Atmospheric Chemistry and Dynamics Laboratory (Code 614)

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 19 - 25 Apr 2023


Colombia - Ruiz & Ecuador - Sangay: OMI   OMPS   TROPOMI
Halmahera - Dukono & Karangetang: OMI   OMPS   TROPOMI
Italy - Etna: OMI   OMPS   TROPOMI
Java - Ijen & Semeru: OMI   OMPS   TROPOMI
Kamchatka - Shiveluch: OMI   OMPS   TROPOMI
Mexico - El Chichon & Popocatepetl: OMI   OMPS   TROPOMI
Peru - Sabancaya: OMI   OMPS   TROPOMI
Philippines - Taal: OMI   OMPS   TROPOMI
Vanuatu - Aoba & Yasur: OMI   OMPS   TROPOMI

Summary of Preliminary Tonnage estimates