Types of Stress that cause Earthquakes

Slides:



Advertisements
Similar presentations
Chapter 11, Section 1 Forces Inside the Earth
Advertisements

Earth’s Crust in Motion
Types of Stress that cause Earthquakes
Earthquakes.
QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________.
Unit 1.4 Earthquakes. Where do earthquakes Occur? Earthquakes can occur near the Earth’s surface or far below the surface. Most earthquakes occur at plate.
Crust Deformation: Forces, Faults and Folds. Deformation The bending, tilting, and breaking of the earth’s crust major cause of deformation = plate tectonics.
Deforming the Earth’s Crust
Section 3 Theory of plate tectonics. Plate tectonics  The theory that the Earth’s lithosphere is divided into tectonic plates that move around on top.
Types of Faults Strike Slip Fault: Two layers of rock are shifted horizontally or parallel to the fault plane.
Earthquakes Kim Lachler updated 10/2014 NCES 6.E.2.2.
3 Types of Stress 1. Tension: stress that pulls rock apart Rock gets thinner in the middle 2. Compression: stress that pushes rock together 3. Shearing:
NOTES FAULTS and FOLDS.
Chapter 6 Earthquakes.
Earthquakes The shaking of the Earth’s crust caused by a release of energy. The major cause is the build up of stress between two lithospheric plates.
Chapter 11 Deformation of the Crust
Unit 4: Plate Tectonics The Crust Under Stress & Mountain Building Notes.
 Stress – force that pushes or pulls rock Tension Compression Shearing  Fault – Break in Earth’s crust where plate movement occurs Normal Reverse Strike-Slip.
Faults. Create a Brochure You will use the information about faults to create a brochure that explains what a fault is and the types using examples. The.
FOLDS, FAULTS, AND MOUNTAIN TYPES.  1. Volcanic  2. Folded  3. Faulted Mountains formation – Three types.
Fault Types ~Notes~.
Deforming the Earth’s Crust
Forces in Earth’s Crust
Ch. 8 Types of Stress that cause Earthquakes
Unit 4 Lesson 3 Mountain Building
Faults.
FALCON FOCUS Examine the model and answer the following questions:
Earthquakes: How do they happen
Uplift: Faults and Earthquakes
Folding and Faulting Chapter 4, Sec. 4.
Deforming Earth’s Crust
Unit 4 Lesson 3 Mountain Building
Forces in Earth’s Crust
Chapter 7 Review: Plate Tectonics- 14 min. Plate Tectonics.
Chapter 7 Plate Tectonics:
Earthquakes 2017.
4.1 Forces in Earth’s Crust
Unit 4 Lesson 3 Mountain Building
Types of Stress that cause Earthquakes
Forces in Earth’s Crust
Forces in Earth’s Crust
Loma Prieta Earthquake
Earth’s Materials and Processes-Part 10 Mountain Building and Faults
Stress and Faults.
Faults-notes and model
Deforming Earth’s Crust
Chapter 5, Lesson 1, Interactions at Plate Boundaries
Chapter 5, Lesson 1, Interactions at Plate Boundaries
Earthquakes.
Chapter 7 Plate Tectonics.
Bell Ringer: Complete closed notes side of sheet in tub!
Chapter 6 Section 1: Forces in Earth’s crust
Folding and Faulting Chapter 4, Sec. 4.
Earth’s Crust in Motion
Forces in the Earth’s Crust
Chapter 7 Plate Tectonics.
Earth Science Turn in “Locating an Earthquake” activity from Friday!
Forces in the Earth.
Kinds of Faults.
Earth’s Crust in Motion
Deformation of the Earth’s Crust
Forces in the Earth’s Crust
Chapter 7 Plate Tectonics 14 min. Plate Tectonics.
Chapter F4 Section 4 Deforming the Earth’s Crust Deformation
The Results of Stress.
What is an Earthquake? An Earthquake is the vibrations produced when a rock snaps and breaks under different types of stress.
Mountain formation.
Stress in the Earth.
Faults and Earthquakes
Forces in the Earth – Faults!
Presentation transcript:

Types of Stress that cause Earthquakes Chapter 8

What is an Earthquake? An Earthquake is the vibrations produced when a rock snaps and breaks under different types of stress.

Types of Stress Tensional – pulls rocks APART Compressional – pushes rocks TOGETHER Shearing – pulls rocks ALONG each other https://www.as.uky.edu/sites/default/files/elearning/module10swf.swf

The Elastic Rebound Theory Rocks will bend until they reach their Elastic Limit. Then they will break (crack) This forms a Fault

How do Earthquakes Occur? Rocks on a fault are jagged & get stuck when plates move. Stress Builds Rocks bend until they can’t & then snap back to their original position. (Elastic Rebound Theory)

Parts of a Fault Footwall Hanging Wall

Normal Fault

Caused by Tensional Stress Rocks/plates are pulled apart Tension causes the hanging wall to fall down. Divergent Boundary

Normal Fault

Normal Fault

Normal Fault

Reverse Fault

Caused by Compressional Stress Rocks/plates are pushed together. Causes the Hanging wall to move up. Earthquakes!!!! Convergent Boundary

Reverse Fault

Reverse Fault

Thrust Fault A special Reverse fault Angle of fault plane is shallow.

Strike-Slip Fault

Caused by Shearing Stress Rock/plates are sliding in opposite directions. Movement is only horizontal. EARTHQUAKES!!! Transform Boundary

Strike Slip Fault

Strike – Slip Fault

Oblique-Slip Fault Horizontal and Vertical Movement Caused by Tensional and Shear Stress. Transform and Divergent Boundaries

Feedback: Privacy Policy Feedback
Do Not Sell My Personal Information
About project: SlidePlayer Terms of Service

© 2025 SlidePlayer.com. Inc. All rights reserved.