Environment Volcanic products (2)

1. • Tephra (Greek, for ash) is a generic term for any airbornepyroclastic accumulation.• Individual eruptive fragments are called pyroclasts ("firefragments").…

Environment Natural calamities

1. • A natural disaster is a major adverse event resulting from natural processes of the Earth; examples include floods, volcanic eruptions, earthquakes, tsunamis, and…

Documents Announcements Someone reminded me yesterday that we’re in the 6th week of classes already I need.....

Slide 1 announcements Someone reminded me yesterday that we’re in the 6th week of classes already I need to give you another exam, so that we can drop one…so… WEDNESDAY…

Education Plate Tectonics: An Introduction

1. PlateTectonics Introduction 2. Events, hazards & disasters A tectonic event is an occurrence caused by tectonic activity - examples include earthquakes and volcanoes…