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06 Apr 1989 description


UNDRO 89/0718
COLOMBIA - GALERAS VOLCANO
UNDRO INFORMATION REPORT NO. 1
6 APRIL 1989

SITUATION

1. ON 5 APRIL COLOMBIAN NATIONAL DISASTER OFFICE (ONAD) DECLARED STATUS OF YELLOW ALERT FOLLOWING INCREASED SEISMIC ACTIVITY OF GALERAS VOLCANO IN SOUTHERN COLOMBIA. YELLOW ALERT (SECOND LEVEL OF FOUR LEVELS) INDICATES HIGH INCREASE OF SEISMIC ACTIVITY, MODERATE DEFORMATION AND EMISSIONS OF FUMAROLES.