A-Train data for Merapi volcanic cloud

Mount Merapi volcano is one of Indonesia's most active volcanoes, posing a constant threat to tens of thousands of people who live in its shadow. On October 26, 2010, the volcano once again turned destructive, unleashing a series of eruptions, including a major explosive eruption on Nov 4-5.

Aura/OMI - cumulative SO2 for Nov 4-8
OMI measured ~0.2-0.3 Tg SO2 injected into UTLS

Aura/MLS - HCl for Nov 4-6
MLS shows significant HCl content - consistent with expected Merapi volcanic gas composition

CALIPSO - aerosol altitude on Nov 5
CALIPSO detects aerosol layers near tropopause

+ Get more information from the Mount Merapi volcano feature at NASA's Earth Observatory

11.15.2010