Home / Online screening material / A practical manual on visual screening for cervical neoplasia / Anatomical and pathological basis of visual inspection. Chapter 1 / Anatomical and pathological basis of visual inspection with acetic acid (VIA) and with Lugols iodine (VILI) (Download the PDF version)
Top 10 facts about the world. The largest volcanic eruption in recorded history is that out Mount Tambora on Sumbawa island, Indonesia. Taking place on 10 April 1815, the eruption was so loud it sounded like a a gunshot to people on the island of Sumatra, 2,600 km (1,615 mi away).he event was called the last great subsistence crisis in the Western world.. Although the explosion of Mt. Tambora was large, it is not the largest volcanic eruption in all of human history â just recorded history.
Their activity is connected with fertile soils, which cover the majority of Costa Rica territory. Their suddenly erruptions made in past years huge destructions. The highest Costa Rica`s volcanoe is Irazu, the most active is Arenal and Poas has the second widest crater in the world. (diameter 1,5 kilometres). In 1950`s, the terrains around each Costa Rican volcanoes were decided to be under protection. Many of them are within the national parks. Costa Rica major volcanic peaks are stratovolcanoes. The type of magma that fuels most Costa Rica volcanoes is thick, viscous, and so filled with gases that the erupting magma often blasts violently into the air. The most serious eruption was that of Irazu volcanoe in 1963.