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This Concept Map, created with IHMC CmapTools, has information related to: Mt. pinatubo_finalESS, 1991 Eruption of Mt. Pinatubo caused evacuation of 60000 people and 18000 military personal, tephra fell to surface blocks & bombs, blocks & bombs covered land 4000 square kilometers around Mt. Pinatubo, cloud veil reflects & absorbs sunlight (solar radiation), 1991 Eruption of Mt. Pinatubo injection into stratosphere sulfur-rich gases (SO2), cooling of troposphere resulted in mean world temps decreased by about 1 degree Centigrade over next 2 years, 1991 Eruption of Mt. Pinatubo caused lahars/mudflows, chlorine & bromine bearing compounds from human-made CFCs caused short-term ozone loss, cooling of troposphere temporarily offsets global warming, CO2 slightly contributes to global warming, short-term ozone loss losses of 15-20% at high altitudes, summit forming 2.5 kilometer wide collapse caldera, everything in their path displacing 53000 people including 20000 indigenous Ayta people, HCl interacted with chlorine & bromine bearing compounds from human-made CFCs, 4000 square kilometers around Mt. Pinatubo saturated by heavy rains from Typhoon Yunya, heavy rains from Typhoon Yunya buried crops, 1991 Eruption of Mt. Pinatubo injection into stratosphere CO2, 1991 Eruption of Mt. Pinatubo produced pyroclastic-flow, sulfuric acid (H2SO4) aerosols (mist) that scatter and absorb sunlight (solar radiation), lahars/mudflows clogging river drainages