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 21 - 27 Jul 2021


Colombia - Ruiz & Ecuador - Sangay: OMI   OMPS   TROPOMI
Halmahera - Dukono: OMI   OMPS   TROPOMI
Iceland - Fagradalsfjall: OMI   OMPS   TROPOMI
Indonesia - Sirung: OMI   OMPS   TROPOMI
Italy - Etna OMI   OMPS   TROPOMI
Java - Krakatau & Tengger Caldera; OMI   OMPS   TROPOMI
Kamchatka - Ebeko, Karymsky & Mutnovsky OMI   OMPS   TROPOMI
Mexico - El Chichon & Popocatepetl: OMI   OMPS   TROPOMI
Peru - Sabancaya: OMI   OMPS   TROPOMI
Vanuatu - Yasur: OMI   OMPS   TROPOMI

Summary of Preliminary Tonnage estimates