Post Falls High School, Physical Geology. PLATES BOUNDARIES Earthquakes occur along plate boundaries SEISMIC ACTIVITY.
Locating the Epicenter of an Earthquake The Triangulation Method.
LOMA PRIETA, CA EARTHQUAKE OCTOBER 17, 1989 Dr. Walter Hays, Global Alliance For Disaster Reduction.
Earthquake Waves Chapter 6-2. Focus and epicenter Actual location of fault Up to 700 km below surface.
Objectives 1. Compare the 3 types of seismic waves. 2. Discuss the method scientists use to pinpoint an Earthquake (EQ). 3. Discuss the method most commonly.
P HYSICS OF T SUNAMI. E ARTHQUAKE AT S EA 1 st possibility:
What are Earthquakes? The shaking or trembling caused by the sudden release of energy Usually associated with faulting or breaking of rocks Continuing.
EARTHQUAKES. WHAT ARE EARTHQUAKES? Shaking or trembling caused by the sudden release of energy Usually associated with faulting or breaking of rocks.
Earthquakes Physical Geology 11/e, Chapter 16. Earthquakes and Plate Tectonics At divergent boundaries, –tensional forces produce shallow-focus quakes.
Earthquakes and Earthquake Prediction Andrei Gabrielov Purdue University West Lafayette, IN, USA agabriel.
Size of earthquakes. MODIFIED MERCALLI SCALE Defines the INTENSITY of an earthquake by the amount of damage caused.
Section 1: Earth’s Crust in Motion How Do Stress Forces Affect Rock? The movement of earth’s plates creates powerful forces that squeeze or pull the.