Geol105_Lecture_07

Geol105_Lecture_07 - GEOL 105 Lecture 07 Prof. Jonathan Lees

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
GEOL 105 Lecture 07 Prof. Jonathan Lees http://www.nws.noaa.gov/sat_tab.php
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Earthquake Intensity Mercalli Scale Variables Earthquake magnitude Distance from hypocenter/epicenter Foundation materials Building style Duration of shaking
Background image of page 2
Mercalli Intensity Scale Mercalli Intensity(at epicenter) Magnitude Witness Observations I 1 to 2 Felt by very few people; barely noticeable. II 2 to 3 Felt by a few people, especially on upper floors. III 3 to 4 Noticeable indoors, especially on upperfloors, but may not be recognized as an earthquake. IV 4 Felt by many indoors, few outdoors. May feel like heavy truck passing by. V 4 to 5 Felt by almost everyone, some people awakened. Small objects moved. Trees and poles may shake. VI 5 to 6 Felt by everyone. Difficult to stand. Some heavy furniture moved, some plaster falls. Chimneys may be slightly damaged. VII 6 Slight to moderate damage in well built, ordinary structures. Considerable damage to poorly built structures. Some walls
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/20/2009 for the course GEOL 105 taught by Professor Lees during the Spring '08 term at UNC.

Page1 / 39

Geol105_Lecture_07 - GEOL 105 Lecture 07 Prof. Jonathan Lees

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online