Lecture on Seismic Activity Seismic activity is defined as the types, frequency and size of earthquakes that happen over a period of time in a certain area. Many erupts are…
Lecture on Volcano Monitoring Major purpose of this lecture is to present on Volcano Monitoring. Volcano Observatories are set up on all active volcanoes that threaten the human population. These are…
Presentation on Lava Flow Lava flows although generally slower moving and less catastrophic than pyroclastic flows still remain dangerous. It have temperatures in excess of 200 degrees Celsius. Therefore…
How do Pyroclastic Flows cause devastation? The aim of this lecture is to present on How do Pyroclastic Flows cause devastation? The direct force of a pyroclastic flow traveling at 10’s of metres…
Lecture on Pyroclastic Flow Prime purpose of this lecture is to present on Pyroclastic Flow. Pyroclastic Flow is a dense, destructive mass of very hot ash, lava fragments, and gases ejected explosively…
Volcanic Eruptions Basic purpose of this lecture is to present on Volcanic Eruptions. A volcano is a vent or ‘chimney’ that connects molten rock (magma) from within the Earth’s…
Lecture on Volcanoes General purpose of this lecture is to present on Volcanoes. A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows…
Parts of Volcano A volcano is a mountain that forms when magma reaches the surface of the Earth. Magma rises because it is less dense than the solid rock…
Streams and Floods Primary objective of this lecture is to present on Streams and Floods. Stream is a body of running water that is confined in a channel and moves…
Lecture on Weather Forecasting Prime purpose of this lecture is to present on Weather Forecasting. Weather predictions are based on information about air masses, fronts, and associated pressure systems in an…
Avalanches and Transportation This lecture focus to describe on Avalanches and Transportation. Avalanches and transportation includes: highways and railways; control and reduction; high cost of link closure and potential for disaster. There are several…
Lecture on Snow Avalanches Avalanches are falling mass of snow and/or ice; a mass-wasting process and analogous to debris flows or mudslides. It is a natural hazard – threat to life and…