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 ""; } ?>
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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 13 - 19 Sep 2023


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

Summary of Preliminary Tonnage estimates