Earthquakes
Surface Waves Chris Linton. A (very loose) definition A surface wave is a wave which propagates along the interface between two different media and which.
Introduction to Sound Sounds are vibrations that travel though the air or some other medium A sound wave is an audible vibration that travels through.
A magnitude 4.1 earthquake occurred in the south-west England on 20 February 2014. Its epicentre was approximately 17 km NNW of Ilfracombe, England and.
Social Media and Crisis Communication
Twitter in the 2011 Queensland Floods (and Beyond)
Twitter,tweeter,t what-oct-2012
Destructive Forces
Local and Global Responses to Disaster: #eqnz and the Christchurch Earthquake
Measuring Earthquakes Kim Lachler Updated 10/14 NCES: 6.E.6.2 & 6.E.6.4.
Dr. Walter Hays Global Alliance For Disaster Reduction
