30271 Eve DeAngelis January 24, 2014.docx

2 Pages
Unlock Document

Earth & Environmental Sciences
ENVR 1104
Malcolm D Hill

1/24/14 Natural Disasters and Catastrophes ENVR 1104 CRN: 30271 Chapter 5: Tsunami • Tsunami: o A wave with higher peaks and lower troughs o Generated by sudden displacements in the sea floor, landslides, or volcanic activity o Earthquake generated tsunami:  Not normally caused by strike-slip faults  Caused by displacement of water  A subduction zone earthquake snaps the leading edge of a continent up and forward o Volcano generated tsunami:  Volcanic eruptions can also displace water and cause tsunamis  Volcanoes may erupt explosively in a horizontal direction (directed blast), and generate large waves that way.  If an inflating volcano oversteepens part of its slope, a major landslide might trigger a tsunami o Tsunami triggered by subsea landslides:  …and subaerial landslides that reach the sea. Seawater is displaced sideways, and a tsunami races away from the landslide’s location o Asteroid impact generated tsunami:  Ex: Chicxulub Crater, Yucatan Peninsula • Tsunami Movement: o Wavelength= distance btwn two waves measured from crest to crest o Period= the time between
More Less

Related notes for ENVR 1104

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.