GEO 210 Lecture Notes - Lecture 17: Pyroclastic Flow, Supervolcano, Tephra
17 Sep 2017
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They lose little energy over long distances the crests of these waves can be several hundred k. apart: as crest approaches a coast it slows and build up on top of itself. 2500 reported missing: earthquake was centred on the seafloor about 72k east of japan. America (may be decades to come) but very low levels: about 10% of the cleanup has been completed. Impacts would affect 7 million people (insurance bureau of canada) To have the only land-based super volcano in the world. Physical problem ash would get into everything (engine intakes, air conditioning systems: regions close to caldera would be buried area wold be uninhabitable, clean-up of less-affected area would cost into the billions of dollars, 2. Air traffic ash (cid:449)ould (cid:272)oat jet tu(cid:396)(cid:271)i(cid:374)es (cid:272)auses . : 3. Breathing anywhere ash falls 0 would be difficulty without protection: toxic chemicals would coat the ash particles impact on human and animal health, 4.
