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 21 - 27 Apr 2021

Central America - Masaya, Pacayai & Turrialba:   OMPS   TROPOMI
Colombia - Ruiz & Ecuador - Sangay: OMI   OMPS   TROPOMI
DR Congo - Nyamuragira & Nyiragongo: OMI   OMPS   TROPOMI
Halmahera - Dukono: OMI   OMPS   TROPOMI
Java - Raung: OMI   OMPS   TROPOMI
Kamchatka - Karymsky: OMI   OMPS   TROPOMI
Mexico - Popocatepetl: OMI   OMPS   TROPOMI
Papau New Guinea - Bagana, Langila, Manam & Ulawun: OMI   OMPS   TROPOMI
Peru - Sabancaya: OMI   OMPS   TROPOMI
Philippines - Taal:   OMPS   TROPOMI
Réunion Island - Piton de la Fournaise: OMI   OMPS   TROPOMI
Vanuatu - Yasur: OMI   OMPS   TROPOMI
West Indies - Soufrière: OMI   OMPS   TROPOMI

Summary of Preliminary Tonnage estimates